A dry pellet of a common base ‘B’,


A dry pellet of a common base ‘B’, when kept in open absorbs moisture and turns sticky. The compound is also formed by 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.


The available information suggests that the base ‘B’ is sodium hydroxide (NaOH). It is a deliquescent substance and becomes sticky on absorbing

moisture from atmosphere. It is commercially formed by the electrolysis of a strong solution of sodium chloride (brine).

It reacts with an acidic oxide such as CO2 or SO, gas to form corresponding salt and water. For example,

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