Question

A dry pellet of a common base B, when kept in open absorbs moisture and turns sticky. The compound is also a by-product of chlor-alkali process. Identify B. What type of reaction occurs when B is treated with an acidic oxide? Write a balanced chemical equation for one such solution.

October 1, 2024

Answer

The base B you are referring to is sodium hydroxide (NaOH). It is a common base that can absorb moisture from the air and become sticky. Sodium hydroxide is also a by-product of the chloralkali process.

When sodium hydroxide (B) is treated with an acidic oxide, a neutralization reaction occurs. In this type of reaction, an acid reacts with a base to form a salt and water.

For example, when sodium hydroxide reacts with carbon dioxide (an acidic oxide), the reaction can be represented as follows:

Balanced Chemical Equation:

2NaOH + CO₂ → Na₂CO₃+ H₂O

In this equation, sodium hydroxide reacts with carbon dioxide to form sodium carbonate (Na₂CO₃) and water (H₂O).

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