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CH-=CHoverset(NaNH(2))to[A]overset(CH(3)...

`CH-=CHoverset(NaNH_(2))to[A]overset(CH_(3)Br)to[B]`

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To solve the given question step by step, we will analyze the reactions involving acetylene, sodamide (NaNH2), and bromomethane (CH3Br). ### Step 1: Reaction of Acetylene with Sodium Amide (NaNH2) 1. **Starting Material**: The starting material is acetylene (CH≡CH). 2. **Reaction with NaNH2**: Sodium amide (NaNH2) acts as a strong base. It will abstract one of the acidic hydrogen atoms from acetylene. 3. **Formation of Acetylide Ion**: The reaction can be represented as: \[ ...
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