Most covalent among the following Explanation: lithium iodide is more covalent than lithium chloride because the electronegativity in halogens is in the following sequence F>Cl>Br>I. `CrO_5, Mn_2O_7, PbO, P_4O_10,SnO_2` According to Fajan's rule, PbO is most ionic because P b 2 + has less polarising power as it has the the highest atomic number (implying greater size), whereas M n 2 O 7 is most covalent because M n 7 + has higher polarising power, as charge is Among the following the maximum covalent character is shown by the compound _____ A. Join BYJU'S Learning Program. More From Chapter. 8k points) class-12; Aluminum triiode has more covalent character due to high charge to size ratio of A l (I I I) cation and small charge to size ratio of iodide anion. B e O. (i) Larger the charge on the ions, (ii) Smaller the size of cations, (iii) Larger the size of anions. Which is the most covalent? C Which element is the most electronegative among C, N, O, Br, and S ? View Solution. Now, as the Cl has +7 oxidation state in C l 2 O 7, so it has highest polarising power and highest covalent character so C l 2 O 7 is most covalent , therefore most acidic oxide. `pi-`bond, co-ordinate bond and covalent bond:- asked Jan 1, 2022 in Chemistry by SaloniMishra ( 25. 4) NaCl and CuCl. Try BYJU‘S free classes today! C. The molecule that has polar covalent, non polar covalent, coordinate and ionic bond among the following. 3) P b c l 2 a n d p b C l 4. Which of the following is most covalent ? A $$ CuCl $$ B $$ NaCl $$ C $$ AgCl $$ D $$ AuCl $$ Open in App. As Sodium is common in given compounds, it forms the most ionic compound with higher electronegative atom or the smallest anion. Here’s the best way to solve it. Show transcribed image text. Among the following, the compound with the most covalent character is: (1) cesium chloride (2) aluminum sulfide (3) calcium carbide (4) hydrogen fluoride (5) boron arsenide . P 2 O 5. Fajan's rule is used to determine the Most covalent compound among the following is : 1. NCERT Solutions For Class 12. Explanation: Among the given options, the most polar covalent bond is expected to be C-F (carbon-fluorine). Q2. com 1800-150-456-789 From the above analysis, CF₄ (Carbon Tetrafluoride) fits the description of a covalent compound because it involves two nonmetals, carbon and fluorine, sharing electrons to form the compound. N a C 1. Among the given choices, PC15 most likely contains covalent bonds. Submit Most covalent compound among the following is : 1. The covalent character is determined by polarisation as follows:- C o v a l e n t c h a r a c t e r α P o l a r i s a t i o n α C h a r g e o n c a t i o n S i z e o f c a t i o n Note= When the charge difference exists in the compounds then we consider only the charge difference instead of NTA Abhyas 2022: Select the most ionic and most covalent compounds respectively from the following: CrO5,Mn2O7,PbO,Fe2O3,SnO2 (A) CrO5, Mn2O7 (B) PbO, Tardigrade Exams The correct answer is Lithium-ion has a small size. Which of the following compounds has ionic bond. This is because, Au+ ion has pseudo noble gas configuration (18 electrons in the outermost shell). AlI3 Recommended MCQs - 160 Questions Chemical Bonding and Molecular Structure Chemistry Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and PDF Questions with answers, solutions, Which one of the following is most covalent in nature among lithium halide? View More. So according to Fajan's rule it has more polarising power. MgCl2Isn't SiCl4 the answer? Because covalent character is inversely proportional to polarisation and polarisation is inversely proportional to size of the atom. S n C l 2. Covalent Bond . Which of the following is the most ionic compound? P 2 O 5; C r O 3; M n O; M n 2 O 7; A. All the central metals have + 2 oxidation except for A l which has + 3 oxidation state. K C 1. Thermally most stable compound among the following is: Medium. Example: Among $\ce{NaCl}$, $\ce{MgCl2}$, $\ce{AlCl3}$ which one is more covalent? Answer: There is a point in Fajans' rules that the compound which has more charge number that compound will show covalent character. Identify the compounds that contain both ionic and covalent bonds. You may wish to review the chapter on electronic structure for relevant examples. B. Most covalent compounds have relatively low melting points and boiling points. $$ AuCl $$ Increasing covalent character : $$ NaCl < CuCl <AgCl < AuCl . Among the options given, AlBr3 has the most covalent character due to the greater sizes of Al and Br compared to the other elements in the given compounds. ; Also, the difference in electronegativities of Li and I is small. Watch in App. g. NaCl 2. Explanation: The covalent character is. A l C l 3. Non polar bond length is higher than polar bond length. Which polar covalent bond of the following: Cl-F. Electronegativity list was given for the following: F, O, Cl, N, S, C, H, P. S3 : The presence of transition metals like The correct answer is Among the given halides, AuCl is most covalent. Explanation: Covalent bonds are defined as the bonds which exists due to sharing of electrons between the combining atoms. So, this molecule is most covalent and Most covalent compound among the following is : 1. Related Videos. Q. AlCl3 4. C a O. The correct answer is Higher the charge of metal cation and smaller is the size more is its polarising power and more will be the covalent nature of the compound. The correct answer is Lithium-ion has a small size. AlI3 Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and PDF Questions with answers, solutions, explanations, NCERT reference and difficulty level Among the following the maximum covalent character is shown by the compound _____ A. Open in App. It's trivia - I guess. Which one of the following is most covalent in nature among lithium halide? View Solution. Explanation: The question asks which among the following has the most covalent character: 1) The polarity of the covalent bond among the following is maximum in. The anion with a larger size can be easily distorted. 03. 8 Q Which is the most covalent compound among the following Why (a) LiCl (b) BeO (c) NaCl (d) MgO - Chemistry - Chemical bonding and molecular between ionic radii of O 2-and Mg 2 + is the least thus making formation of ionic bond difficult and hence will form covalent bond. is this correct? If not, why not? Click here:point_up_2:to get an answer to your question :writing_hand:pick out the most covalent compound among the following Fluorine is the element which has highest electronegativity. C) SiC (Carborundum) As we saw earlier that both carbon and silicon have a tendency to form covalent bonds. graphite paraffin c. C r O 3. AlI3 Chemical Bonding and Molecular Structure Chemistry (2021) Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and PDF Questions with answers, solutions, explanations, NCERT reference and As the cation charge increases, the covalent character also increases. Click here:point_up_2:to get an answer to your question :writing_hand:select the most ionic and most covalent compounds respectively from the following cro5mn2o7pbop4o10sno2. According to Fajans rule, cation with greater charge and smaller size favour covalency. Hence, covalent character increases from L i C l < B e C l 2 < B Ethanol is an organic compound i. Thus, the cation has high polarizing power and the anion has high polarizability. The order of covalent character is `LiI gt LIBr gt LiCI gt LiF` because larger the anion, greater is its polarizability. Covalent compounds are formed when two nonmetals bond together by sharing electrons. You visited us 0 NaI is the most covalent due to small size of cation and large size of anion. It lays emphasis on the cation and anion involved in the bond and how their properties affect the bond's nature. The most covalent halide is: Which of the following compounds contain/s both ionic and covalent bonds? (A) NH4Cl (B) KCN (C) CuSO4 ·5H2O (D) NaOH asked Oct 10, 2019 in Chemical bonding and molecular structure by KumarManish ( 57. F e C l 2. Explanation: Covalent bonds are formed when atoms share electrons. Since anion with large size can be easily distorted, among halides, LiI is Assertion (A): Lithium chloride is predominantly covalent compound. S-O. Covalent Molecules of Elements. \(\mathrm{BCl_3}\) 4. Study Materials. Which of the following can be decomposed by the action of light? (a) NaCl (b) KCl Most covalent compound among the following is : 1. P-N. e. and thus has highest covalent character Lithium iodide is most covalent in nature among lithium halide. Due to large anionic size among other halides, polarizability of iodide ion is higher and thus has highest covalent character Lithium iodide is most covalent in nature among lithium halide. The covalent character of a compound is determined by the polarizing power of the cation and the polarizability of the anion. AlF32. Example Definitions Formulaes. Correct option is D) B e 2 + ion has small size and high charge. (i) Larger the charge on the ions, (ii) Smaller the size of cations, (iii) Larger the size of Which of the following species has a bond angle of \(120^\circ\)? 1. In which of the following compounds is the highest covalent character found? . Explanation: The most likely covalent compound among the options provided is NF₃, option C. C-C bond has the longest covalent bond distance. SiCl4 3. View solution > Covalent bond exist in: Medium. View solution > Which of the following has covalent bond? Medium. \(\mathrm{PH_3}\) The correct answer is Higher the charge of metal cation and smaller is the size more is its polarising power and more will be the covalent nature of the compound. AlBr34. To dissolve in ethanol the compound should have more covalent character. Guides. NCERT Solutions. More the covalent character more the acidic nature of the oxides and covalent character depends upon oxidation state of the element. l-ion is bigger anion among haldide ions and can undergo more polarisation. Beryllium halides have covalent character due to small size and high effective nuclear charge. , C u +), then larger the polarizing power and the covalent character is favoured. Which compound among the following has more covalent character ? A. C. Select the most ionic and most covalent compounds respectively from the following. Which molecule contains both polar and non-polar covalent bond? Q. S2 : The IE1 of potassium atom is less then sodium atom. CLASSES AND TRENDING CHAPTER. Use app Login. Hence it can Because of the high polarization capability of Li + L i + ion, lithium halides are somewhat covalent. Among L i C l, B e C l 2, B C l 3 and C C l 4 the covalent charecter varies as: Join BYJU'S Learning Program Grade/Exam 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th grade 7th grade 8th Grade 9th Grade 10th Grade 11th Grade 12th Grade Click here👆to get an answer to your question ️ Choose the most appropriate answer from the following options:Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond) Select the most ionic and most covalent compounds respectively from the following. \(\mathrm{NCl_3}\) 3. Therefore, CF₄ is the most likely covalent compound among the Fajans' Rule helps us predict if a chemical bond has more ionic or covalent characteristics. Among the four, S i C l 4 has the maximum charge of + 4. shivaay3668 shivaay3668 12. Try BYJU‘S free classes today! B. According to Fajan's rule, smaller is the size of cation and larger is the size of anion more covalently they will be bonded together. So the lithium iodide is more covalent among alkali metal halides. Correct option (c) AICI3. Among the given choice Al is least electropositive therefore , the bond between Al and Cl will be least ionic or most covalent or the difference in electronegativity of two atom is less than 1. B e C 1 2 S1 : L i + being smaller have high polarising power and I − being larger have high polarisability. Which among the following is a property of covalent bond? Covalent compounds are The most covalent halide among A l F 3 , A l C l 3 , A l B r 3 , A I I 3 is: Also state the reason. \(\mathrm{{SF}_6}\) 2. Among the following molecules, which of the following has non-polar covalent bonds? Click here:point_up_2:to get an answer to your question :writing_hand:among licl becl2 bcl3 and ccl4 the covalent bond character follows the order. The correct answer is Among the given halides, AuCl is most covalent. Thus ans = D-6 ; View Full Answer About Us; Blog; Terms The polarity of the covalent bond among the following is maximum in. Hence `BeCI_(2)` is most covalent among all other chlorides. View chapter > Revise with Concepts. Which of the following atom pairs would most likely be connected by a covalent bond? (a) K and F (b) O and Cl (c) Na and O (d) Na and Cl Classify the following as metallic, ionic, molecular, or covalent network and give two reasons why: a. AlI3 Chemical Bonding and Molecular Structure Chemistry - 100Q Question Bank Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and PDF Questions with answers, solutions, explanations, NCERT As per Fajan's rule, more the charge on the cation, more will be its polarizing power and hence more will be covalent character of the molecule. The C-F bond is the most polar covalent bond among the options because fluorine has the highest electronegativity, resulting in a significant difference in electronegativity between it and carbon. palmitic acid c. Shapes of Orbitals and Nodes. (b) The most covalent of the compounds NaCl, CaCl₂, and BeCl₂. S3 : The presence of transition metals like iron and other impurities catalyzes the decomposition of deep blue solution forming amide and liberating H 2 . So, the Al-F bonds will be ionic and this molecule will be most ionic. How many of the following relation(s) is/are correct regarding the given properties? Arrange the following bonds according to their average bond energies in descending order: C Arrange the following in the order given below : Increasing covalent character of N a C l , M g C l 2 , A l C l 3 is A l C l 3 < M g C l 2 < N a C l . CHEMISTRY. Verified by Toppr. aluminum ascorbic acid b. 2) AgCl and Agl. As the cation charge increases, the covalent character also increases. Explore more. A l C l 3 Among the molecules H, O, CO, H₂O, and CH, the molecule d) H₂O (water) has the most **polar covalent bond **due to the significant electronegativity difference between hydrogen and oxygen. And I got it wrong. Join / Login. Predict the best choice in each of the following. M g O. Since anion with large size can be easily distorted, among halides, LiI is the most covalent in nature. Theory Reactivity towards halogen: Alkali metals readily react vigorously with halogens to form ionic halides, M + X − 2 M + X 2 2 M + X − Which of the following is more covalent among the following and why? 1) CuO and CuS. AlCl33. Hence, S i C l 4 will have maximum covalent character. Q3. B a O. (iv) Cation with 18-electron structure (e. $$ The covalent metal oxide among the following is: A. Covalent compounds tend to be soft and relatively flexible. View solution > Define : a covalent bond. So it is most covalent among alkali metal halides according to Fajan's rule. Q4. (a) SnCl 2 (b) AlCl 3 (c) MgCl 2 (d) FeCl 2 >> The most covalent halide among AlF3, AlC. In all the given compounds, anion is same (C l −), hence polarizing power is decided by size and charge Among the following the maximum covalent character is shown by the compound (1)MgCl2(2)FeCl2(3)SnCl2(4) AlCl3A) Option 1B) Option 2C) Option 3D) Option 4 Answer help@askiitians. Hence, it has highest Hence among the given halides, lithium chloride is least covalent in nature and lithium iodide is most covalent in nature. The most covalent halide is: Which one of the following is most covalent in nature among lithium halide? View Solution. 10 mins. , of covalent character 'Like dissolve like'. The most likely covalent compound among the options provided is NF₃, option C. View solution > View more. Question . (c) The lowest first ionization energy among the elements Rb, K, and Li. C-Cl. 7k points) In which of the following molecule is the covalent bond most polar. C r O 5, M n 2 O 7, P b O, S n O 2. Since out if these, Si is the largest in is have the least polarisation and thus will result in the highest covalent character. Hence among the given halides, lithium chloride is least covalent in nature and lithium iodide is most covalent in Solution: Covalent character is favoured by Fajans’ rule. Among the following the maximum covalent character is shown by the compound: Medium. Login. 8k points) class-12; Find an answer to your question The most covalent halide among AlF3, AlCl3, AlBr3, AII3 is:Also state the reason. favoured by Fajan's rule. According to Fajans' rules, smaller cations and larger anions tend to form more covalent bonds. Theory Reactivity towards halogen: Alkali metals readily react vigorously with halogens to form ionic halides, M + X − 2 M + X 2 2 M + X − Lithium halides are somewhat covalent because of the high polarization capability of lithium ion. M n O. M n 2 O 7. Hence lithium halides have partial covalent character. Medium. Phosphorus forms covalent bonds with chlorine, and PC15 represents a compound with one phosphorus atom and five chlorine atoms. Which of the following compound is most covalent ? A. Standard XII Chemistry. sodium chloride d. Which has maximum covalent character?1. Solution. Learn with Videos. My wrong reasoning was: why would two highly electronegative atoms bond with each other. D. Among the given molecules, IBr has the most covalent bond character because iodine (I) and bromine (Br) have a smaller electronegativity difference compared to the other molecules. As fluorine is highly electronegative than other atoms and smallest in size, sodium fluoride is more ionic than other molecules. Hence, it has highest polarization power and is most covalent. The increasing order of the ionic size is Cl−<Br−<I−. You visited us 0 times! Enjoying our articles? Unlock more the covalent character. A l C l 3 is covalent while A l F 3 is ionic. Reason (R ): electronegativity difference between Li and CI is small. Hence it can easily distort the electron cloud of the anion. (a) The most metallic of the elements Al, Be, and Ba. Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses. By Fajans' rules, we can easily find out which compound shows covalent character. So, here in these molecules, the bonds will be highly covalent. Correct option is D. The right answer is option B. 8k points) class-12; chemical-bonding; 0 votes. Hence, lithium iodide is most covalent in nature among alkali halides. sucrose water Among the alkali metal ions, Li + ion is the smallest cation while among halides, anion I-has the largest size. In NF₃, nitrogen (N) forms a covalent bond with three fluorine (F) atoms. Chemical Bonding and Molecular Structure. 2023 Chemistry Secondary School answered The most covalent halide among AlF3 The greater the electronegativity difference, the more ionic the bond, while a smaller difference indicates a more covalent bond. 0. 1k points) class-12 Among the following, the maximum covalent character is shown by the compound. This can be justified on the basis of: View Solution. Q5. asked Aug 4, 2020 in Chemistry by ShivrajSharma (25. Submit. Ans: Hint: Try to recall Fajan's rule given in the chapter chemical bonding. If true enter 1, else enter 0. Solve. C u C l has more covalent character than N a C l because: View Solution. No worries! We‘ve got your back. 1 answer. . According to Fazan rule, the covalent bond is favoured by : asked Mar 5, 2020 in Chemistry by ShivrajSharma (25. Among, C, N, O and H, the covalent radius of C is maximum. ; Thus, electron cloud around I-ion is easily distorted by Li + ion leading to polarisation of anion and covalency. Among the given options, AlI3 has the largest anion (I-) and thus the highest polarizability, making it the most covalent Because of the high polarization capability of `Li^(+)` ion, lithium halides are somewhat covalent. View Solution. Explanation: The question is asking us to identify the molecule with the most **polar covalent bond **from the options: H, O, CO, H₂O, and CH. The most covalent halide among A l F 3 Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond) Ammonia; The molecule that has polar covalent, non polar covalent, coordinate and ionic bond among the following. So it is most covalent among alkali metal halides according to Fajan's rule. gzxgyid gyly idil lnmaff skiplkk njr xwkfy xpfafc sdycrfc xvjn crxfq criut qpiz pytffui vztr