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Chemistry
What are the products of auto-photolysis of water?
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Q. What are the products of auto-photolysis of water?
MHT CET
MHT CET 2018
Hydrogen
A
$H_2 $ and $O_2$
44%
B
Steam
10%
C
$H_3 O^{+} $ and $OH^{-}$
43%
D
Hydrogen peroxide
4%
Solution:
Auto photolysis of water involves breakage of chemical bonds as the result of transfer of light energy to these bonds of water. It involves release of oxygen as a byproduct and also releases hydrogen
$2 H _{2} O \to 4 H ^{+}+4 e^{-}+ O _{2}$