JEE Advanced Chemistry question

A bottle completely filled with conc. H2SO4 is left unstoppered for several days and we observe spontaneous overflow of acid. It is due to

(A)Change in temperature
(B)Hygroscopic nature of H2SO4Correct
(C)Absorption of air by H2SO4
(D)Dehydration of H2SO4

Answer: (B)

Solution

Concentrated sulphuric acid is strongly hygroscopic — it continuously absorbs atmospheric water vapour. As it absorbs moisture over several days, the total volume of liquid in the bottle increases, and since the bottle was already completely full, this

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-159326