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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3ph108

Which of the following statements about the reaction of chlorine with ammonia are correct?

AIn the excess-ammonia reaction nitrogen is oxidised from $- 3$ to $+ 3$ .
BWith excess chlorine, $NCl X_{3}$ is formed.
C $NH X_{4} Cl$ is formed in the excess-ammonia reaction.
DWith excess ammonia, $N X_{2}$ is formed.

Answer: B, C, D

Excess

NH X_{3}

:

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

, with N in

NH X_{3}

oxidised from -3 to 0 in

N X_{2}

(not to +3). Excess

Cl X_{2}

:

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

.

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