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BITSAT 2012
Exam
BITSAT
Year
2012
Subject
Chemistry
Chapter
Ionic Equilibrium

BITSAT 2012 · Chemistry · Ionic Equilibrium

CO_ 2 goes to air, causes green house effect and gets dissolved in...

CO2\mathrm{CO}_{2} goes to air, causes green house effect and gets dissolved in water. What will be the effect on soil fertility and pH\mathrm{pH} of the water?

Options

  1. AIncreases
  2. BDecreases
  3. CRemain same
  4. DNone of these

Correct answer

B. Decreases

Step-by-step solution

CO2+H2O⇌H2CO3→H++HCO3−\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O} \rightleftharpoons \mathrm{H}_{2} \mathrm{CO}_{3} \rightarrow \mathrm{H}^{+}+\mathrm{HCO}_{3}^{-} Here [H+]\left[\mathrm{H}^{+}\right] increases hence, pH\mathrm{pH} decreases due to which soil fertility will also decreases.
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