Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

Which of the following compounds reacts with ethyl- magnesium bromide and also decolourizes bromine water solution? 

  1. A

  2. B

  3. C

  4. D

    None of these

Solution

Phenol or unsaturated hydrocarbon (alkene or alkyne) decolourised bromine water solution.

C2H5MgBr will react with carbonyl carbon or acidic hydrogen.

reacts with C2H5 MgBr and also decolourized bromine water solution

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