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Variable Oxidation States

Calcium react...

Question

Calcium reacts with nitrogen gas to produce a conic solid, which on hydrolysis gives the gas(es):

A

N H_{3}

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B

N_{2} O

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C

N O_{2}

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D

N H_{3}

and

N O

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Solution

The correct option is A $N H_{3}$
$3 C a + N_{2} \to C a_{3} N_{2}$
$C a_{3} N_{2} + 6 H_{2} O \to 3 C a (O H)_{2} + 2 N H_{3}$

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