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JEE Main levelSingle correct optionDifficulty 2 of 3pn174

Ammonia is present in excess and is treated with chlorine: $NH X_{3} + Cl X_{2}$ . The products are

A $NCl X_{3}$ and $HCl$
B $NH X_{4} Cl$ and $N X_{2}$
C $N X_{2} H X_{4}$ and $HCl$
D $NH X_{2} Cl$ and $O X_{2}$

Answer: B

With excess ammonia,

8 NH X_{3} + 3 Cl X_{2} 6 NH X_{4} Cl + N X_{2}

. Only with excess chlorine is

NCl X_{3}

formed:

NH X_{3} + 3 Cl X_{2} NCl X_{3} + 3 HCl

.

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