What mass of `HNO_3` is required to make llitre of 2N solution to be used as an oxidizing agent in the reaction ?
`3Cu + 8HNO_3 rarr 3Cu(NO_3)_(2)+2NO+4H_2O`

Options

A. chlorine
B. potassium
C. nitrogen
D. sulphur

Answer

A

Explanation

An oxiding agent is a species which accepts an electron or electros. Hydrogen accepts an electron from potassium when it forms KH.
`H_2 + 2K to 2KH (K^(+) H^(-))`