NH4Cl ⇌ NH3 + HCl. What is the name and colour of the reactant?

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Multiple Choice

NH4Cl ⇌ NH3 + HCl. What is the name and colour of the reactant?

Explanation:
The reactant is ammonium chloride, which is a white solid at room temperature. In this equilibrium, ammonium chloride (NH4Cl) decomposes to give ammonia (a colorless gas) and hydrogen chloride (a colorless gas). The other options refer to substances that are either gases or solutions and are colorless, so they don’t match the reactant’s identity or appearance. Therefore, ammonium chloride, white, is the correct description.

The reactant is ammonium chloride, which is a white solid at room temperature. In this equilibrium, ammonium chloride (NH4Cl) decomposes to give ammonia (a colorless gas) and hydrogen chloride (a colorless gas). The other options refer to substances that are either gases or solutions and are colorless, so they don’t match the reactant’s identity or appearance. Therefore, ammonium chloride, white, is the correct description.

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