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Haber Bosch Process

A piece of ma...

Question

A piece of magnesium ribbon was heated to redness in an atmosphere of nitrogen and on cooling water was added the gas evolved was:

A

ammonia

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B

hydrogen

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C

nitrogen

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D

oxygen

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Solution

The correct option is B ammonia
Magnesium metal reacts with nitrogen in air to form magnesium nitride which on hydrolysis gives ammonia gas.
$3 M g + N_{2} B u r n i n g - ---- \to M g_{3} N_{2}$
$M g_{3} N_{2} + 6 H_{2} O \to 3 M g (O H)_{2} + 2 N H_{3}$

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