JEE Mains · Chemistry · STD 11 - 4. Chemical bonding and molecular structure
Order of Covalent bond; \(A.\) \(KF > KI ; LiF > KF\) \(B.\) \(KF < KI ; LiF > KF\) \(C.\) \(SnCl _4 > SnCl _2 ; CuCl > NaCl\) \(D.\) \(LiF > KF ; \quad CuCl < NaCl\) \(E.\) \(KF < KI ; CuCl > NaCl\)
- A \(C, E\) only
- B \(B, C\) only
- C \(B, C\), \(E\) only
- D \(A, B\) only
Answer & Solution
Correct Answer
(C) \(B, C\), \(E\) only
Step-by-step Solution
Detailed explanation
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
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