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NEET levelSingle correct optionDifficulty 1 of 3co040

Formaldehyde reacts with ammonia to give hexamethylenetetramine (urotropine) with the formula

A $(CH X_{2}) X_{4} N X_{6}$
B $(CH X_{3}) X_{6} N X_{4}$
C $(CH X_{2}) X_{3} N X_{3}$
D $(CH X_{2}) X_{6} N X_{4}$

Answer: D

6 HCHO + 4 NH X_{3} (CH X_{2}) X_{6} N X_{4} + 6 H X_{2} O

. Hexamine has six

CH X_{2}

groups and four nitrogen atoms.

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