Question

Which of the following is weak bond between c and x 1) C-F 2) C- Cl 3) C-Br 4) C-l

Answer 1

Answer:

Explanation:

Write overlapping orbitals of both

Bond between c and f is 2p and 2p

Bond between c and cl is 2p and 3p

Bond between c and br is 2p and 4p

Bond between c and I is 2p and 5p

Overlapping strength inversely proportional to shell number sum

So 1>2>3>4