Question

1 . a solution which absorbs nitric oxide .
2 . reaction between Cu(NO3)2 and H2S .

Answer 1

1 FeSO4
2 Cu(NO3)2 + H2 S ------> CuS + 2HNO3

Answer 2

1. A solution which absorbs nitric oxide is  Ferrous sulphate.

2. Reaction between $Cu(NO_3)_2$ and $H_2S$

$H_2S(g) + (aq) \rightarrow CuS (s) + 2 (aq)$.

Explanation:

• Ferrous sulphate absorbs nitric acid.

• When ferrous sulphate is in aqueous state, it absorbs nitric oxide in a good amount.

• The chemical formula of ferrous sulphate is $FeSO_4.$

• The reactants are which is a Hydrogen sulfide($H_2S$) and $Cu(NO_3)_2$ is called as Copper(II) nitrate also known as Cupric nitrate.

• After the reaction is complete the product obtained is CuS which is a Copper sulfide and Nitric acid($HNO_3$).

• The chemical reaction is given.

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