A) \[N{{a}_{2}}C{{O}_{3}}\]
B) \[CaS{{O}_{4}}+N{{a}_{2}}C{{O}_{3}}\xrightarrow{{}}CaC{{O}_{3}}+N{{a}_{2}}S{{O}_{4}}\]
C) \[CaC{{l}_{2}}+N{{a}_{2}}C{{O}_{3}}\xrightarrow{{}}CaC{{O}_{3}}+2NaCl\]
D) \[CaC{{O}_{3}}\]
Correct Answer: B
Solution :
As number of alkyl groups increases, \[{{[Fe{{(CN)}_{4}}({{H}_{2}}{{O}_{2}})]}^{2-}}\]-effect. increases and electron density on carbanion increases and anion becomes less and less stable. Hence, correct order of stability is \[{{\Delta }_{O}}(II)<{{\Delta }_{O}}(III)<{{\Delta }_{O}}(I)\]
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