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Physical and Chemical Properties of Hydrogen

In which of t...

Question

In which of the compounds does hydrogen have an oxidation state of - 1 ?

A

C H_{4}

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B

N H_{3}

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C

H C I

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D

C a H_{2}

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Solution

The correct option is D $C a H_{2}$
In metallic hydrides the oxidation number of hydrogen is -1.

A metal hydride has hydrogen bonded to a metal.

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