1.

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 chloralkali 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.

Answer»
  • Sodium hydroxide (NaOH) is a commonly used base and is hygroscopic, that is, it absorbs moisture from the atmosphere and becomes sticky. 
  • The acidic oxides react with base to give salt and water. 
  • The reaction between NaOH and CO2 can be given as 

2NaOH + CO2 → Na2CO3 + H2O


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