Question

The oxidation states of Nitrogen in compounds HNO3 and N2H4 are ---------

a) + 2 and + 3 resp. (1)

b) + 3 and + 4 resp.

c) + 5 and - 2 resp.

d) + 5 and + 6 resp​

Answer 1

Answer:

c) + 5 and - 2 resp.

Explanation:

For HNO3, Let oxidation state of N be x

we know that oxidation state of H is 1 and O is -2

∴

$1+x+3(-2)=0\\x=+5$

For N2H4, Let oxidation state of N be y

we know that oxidation state of H is 1 and O is -2

∴

$2y+4(1)=0\\y=-2$

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