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Questions  

The following reaction takes place in the body

CO2 + H2O   H2CO3    H+  +  HCO3-.  If  CO2 escapes from the system

a
pH decreases
b
H+ will decrease
c
H2CO3 remains the same
d
forward reaction will be promoted

detailed solution

Correct option is B

If CO2 escapes from the system, the equilibrium favours backward reaction according to Lechatlier principle.H2O + CO2 ⇌  H2CO3  ⇌  H+  +  HCO3- ∴   H+  will decrease

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