Question
Chemistry Question on Chemical bonding and molecular structure
Order of Covalent bond:
A. KF>KI;LiF>KF
B. KF<KI;LiF>KF
C. SnCl4>SnCl2;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
B, C, E only
Explanation
Solution
According to Fajan's Rule,
A. KF>KI - False; LiF>KF - True
B. KF<KI - True; LiF>KF - True
C. SnCl4>SnCl2− True; CuCl>NaCl - True
D. LiF>KF - True; CuCl<NaCl− False
E. KF<KI− True; CuCl>NaCl− True