Question

Order of Covalent bond;
A. $KF > KI ; LiF > KF$
B. $KF < KI ; LiF > KF$
C. $SnCl _4> SnCl _2 ; CuCl > NaCl$
D. $LiF > KF ; CuCl < NaCl$
E. $KF < KI ; CuCl > NaCl$
Choose the correct answer from the options given below:

• A. A, B only
• B. B, C only
• C. B, C, E only
• D. C, E only

Answer 1

Answer: (C)

According to Fajan's Rule,
A. $KF > KI$ - False; $LiF > KF$ - True
B. $KF < KI$ - True; $LiF > KF$ - True
C. $SnCl _4> SnCl _2-$ True; $CuCl > NaCl$ - True
D. $LiF > KF$ - True; $CuCl < NaCl -$ False
E. $KF < KI -$ True; $CuCl > NaCl -$ True