Statement I : Aq. Na₂CO₃ solution is more basic than that of aq. NaHCO₃
Statement II : The extent of hydrolysis of Na₂CO₃ is less than that of NaHCO₃

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Statement I and II are correct and statement II is the correct explanation of I

Statement I and II are correct but statement II is not the correct explanation of I

Statement - I is correct and Statement- II is incorrect

Both statement - I and statement - II are incorrect

answer is C.

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Detailed Solution

aq.Na₂CO₃ is more basic than that of NaHCO₃

\large CO_3^{ - 2}\; + \;2{H_2}O\; \to \;{H_2}O\; + \;C{O_2}\; + \;2O\mathop H\limits^ -

\large HCO_3^ \ominus \; + \;{H_2}O\; \to \;{H_2}O\; + \;C{O_2}\; + \;O\mathop H\limits^ \ominus

Both undergoes anionic hydrolysis, but the number of OH^-ion produced by bicarbonate ion
aq solution of Na₂CO₃ is more basic than that of aq.solution of NaHCO₃
→ And the extent of hydrolysis of Na₂CO₃ is more than that of NaHCO₃
Statement - I is correct & state - II is incorrect.

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