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Which of the following reaction is correct ?

1. C 2 H 5 CONH 2 + Br 2 + NaOH ⎯→ C 2 H 5 CH 2 NH 2 + Na 2 CO 3 + NaBr + H 2 O
2. CH 3 CH 2 CH 2 NH 2 O H C 0 , HNO 2 2 ⎯ ⎯ ⎯ ⎯ → ⎯ ° CH 3 CH 2 OH + N 2 + HCl
3. + Br 2 Δ ⎯ ⎯ ⎯ → ⎯ light UV Br Br
4. + HI CH 3 I CH 3

Correct answer: + HI CH 3 I CH 3

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