JEE Main 2017 Chemistry question

Not in JEE Main or NEET syllabus

Identify the pollutant gases largely responsible for the discoloured and lustreless nature of marble of the Taj Mahal.

(1) and
(2) and
(3) and Correct
(4) and

Answer: (3)

Solution

The damage to the Taj Mahal is a classic case of **acid rain** attacking marble. Marble is calcium carbonate, and the two oxides emitted by nearby industry and vehicles — sulphur dioxide and nitrogen dioxide — are oxidised in the atmosphere and dissolve in rain to give sulphuric and nitric acids:

2\mathrm{ + + 2

See the full step-by-step solution

Create a free account to read the complete working (5 steps), and practise questions like this in a timed test.

Create a free account

Question ID VK-115809