Question

Explain the chemical reaction occurring in troposphere.

Answer 1

The troposphere is the lowest region and lies just above the surface of the earth. When sunlight enters the troposphere, carbon dioxide and water vapor molecules present in this region absorb a large amount of energy and gets excited as per the following reaction:

$C{O}_2\stackrel{h\nu }{\to }C{O}_2\left(excited\right)$

$H_{2}O\stackrel{h\nu }{\to }{H}_{2}O\left(excited\right)$

These excited molecules then combine with other molecules, thus increasing the temperature of the atmosphere. These two molecules may also react thus forming carbonic acid.

$H_{2}O+C{O}_2\to H_{2}C{O}_3$