Q79 · CSIR NET Chemistry, December 2015
Paper: CSIR NET December 2015 · Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Marks: 2 · Difficulty: Medium
The intermediate and the final major product of photolysis of Z 
(Z) From the following are (A) 
(B) 
(C) 
(D) 
(Z) From the following are (A) (B) (C) (D) (a)A and D
(b)B and D
(c)B and C
(d)A and C
Answer
Answer: B ✓ checked by 4AB · confidence medium
The source book printed D; on checking, B is correct — see the explanation.
Explanation
Photolysis drives off one CO, giving the 16-electron CpMo(CO)₂(σ-allyl) (B). The allyl then becomes η³, giving the 18-electron CpMo(CO)₂(η³-allyl) (D) (b).
Study loop for Organometallic Compounds