What is/are the produts formed when manganese is treated with 1% nitric acid?

$H_{2}$

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$M n (N O_{3})_{2}$

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$N O_{2}$

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$H_{2} O$

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Solution

The correct options are
A
$H_{2}$

B
$M n (N O_{3})_{2}$

Since $H N O_{3}$ is a very good oxidizing agent,no metal would release hydrogen gas as they usually do with other acids.However nitric acid reacts with $M n$ when diluted because the oxidizing property reduces when diluted giving hydrogen gas.

$M n (s) + {2 H N O_{3}}_{(a q)} - > {M g (N O_{3})_{2}}_{(a q)} + {H_{2}}_{(g)}$

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