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NTA Abhyas JEE Main2020ChemistryHydrocarbonsPractice

Choose the correct reagents used in the conversion

Options

  1. Ap q r B r 2 a l c . K O H N a O H s A l 2 O 3
  2. Bp q r H B r a l c . K O H C a C 2 s K M n O 4
  3. Cp q r H B r a l c . K O H N a N H 2 s r e d h o t i r o n t u b e
  4. Dp q r B r 2 a l c . K O H N a N H 2 s r e d h o t i r o n t u b e

Correct answer

D. p q r B r 2 a l c . K O H N a N H 2 s r e d h o t i r o n t u b e

Step-by-step solution

Here N a N H 2 is used for second time elimination as it is stronger reagent and suitable for this step.

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