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CH3CH2COOH reacts with SOCl2 to form CH3CH2COCl. The product reacts with NH3, KOH, and Br2 to form CH3CH2NH2. The correct option is:

1. CH3CH2COOH + SOCl2 → CH3CH2COCl → CH3CH2CONH2 → CH3CH2NH2
2. CH3CH2COOH + SOCl2 → CH3CH2COCl → CH3CH2CONH2 → CH3CH2NH2 + Br2
3. CH3CH2COOH + SOCl2 → CH3CH2COCl → CH3CH2CONH2 → CH3CH2NH2 + KOH
4. CH3CH2COOH + SOCl2 → CH3CH2COCl → CH3CH2CONH2 → CH3CH2NH2 + NH3

Correct answer: CH3CH2COOH + SOCl2 → CH3CH2COCl → CH3CH2CONH2 → CH3CH2NH2

Solution

The product CH3CH2COCl reacts with NH3 to form CH3CH2NH2.

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