Question

2N2 + 3H2 → 2NH3

Answer 1

There are two N≡N bonds and three H–H  bonds are in reactants.

Given:

The reaction between nitrogen gas and hydrogen gas.

$2N_2+3H_2\rightarrow 2NH_3$

To find:

Bonds on the reactant side

Solution:

$2N_2+3H_2\rightarrow 2NH_3$

Reactants in the reaction = $N_2, H_2$

The bond between nitrogen atoms in single $N_2$ molecule  = N≡N (triple bond)

Then in two $N_2$  molecules = 2 N≡N (triple bonds)

The bond between hydrogen atoms in single $H_2$ molecule = H-H (single bond)

Then in three $H_2$  molecules = 3  H-H (single bonds)

Product in the reaction =$NH_3$

The bonds between nitrogen and hydrogen atoms in single $NH_3$ molecule = 3 N-H (single bond)

Then in two $NH_3$  molecules = 6  N-H (single bonds)

So, there are two N≡N bonds and three H–H bonds are in reactants.

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