Question

# The number of lone pairs and bond pairs in hydrazine are respectively:  (A) 2 and 4  (B) 2 and 6  (C) 2 and 5  (D) 1 and 5

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Hint: Hydrazine is a colorless liquid with an ammoniacal odor and the hydrazine is miscible with water in all proportions .The molecule ${{N}_{2}}{{H}_{4}}$is called hydrazine. From drawing the Lewis structure of${{N}_{2}}{{H}_{4}}$, we could identify the number of bond pairs and lone pairs of electrons in hydrazine.

- As we mentioned hydrazine is an inorganic compound with the molecular formula${{N}_{2}}{{H}_{4}}$. It’s a flammable and colourless liquid with an ammonia like odour.
- ${{N}_{2}}{{H}_{4}}$ belongs to a series of compounds called hydro nitrogens and it’s a powerful reducing agent. It can readily absorb moisture and the hydrate ${{N}_{2}}{{H}_{4}}.{{H}_{2}}O$ is formed. ${{N}_{2}}{{H}_{4}}$ reacts with metallic salts and acids and the products formed are used in the manufacturing of fungicides and explosives.
- Hydrazine is also found in human liver and kidney issues and it’s also detected in certain body fluid such as blood and urine. ${{N}_{2}}{{H}_{4}}$ also reacts with organic compounds to give alkyl hydrazine which is used in jet and rocket propulsions .
- ${{N}_{2}}{{H}_{4}}$ is a strong reducing agent and a highly reactive base and it’s also known as diamine belonging to the class of inorganic compounds known a homogenous other nonmetal compounds.