Q24 · CSIR NET Chemistry, June 2021
Paper: CSIR NET June 2021 · Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Cluster Compounds Wade Rules · Marks: 2 · Difficulty: Easy
The structure of the reactive intermediate generated by the reaction of CHCl3 and KOH is
(a)

(b)

(c)

(d)

Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
Pd(0)-catalysed Kumada coupling of a vinyl halide keeps the alkene geometry, so (Z)-β-chlorostyrene gives cis-stilbene (b).
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