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Question

Question: Which acid is strongest **or** Which is most acidic...

Which acid is strongest or Which is most acidic

A

B

ClCH2COOH\mathrm { ClCH } _ { 2 } \mathrm { COOH }

C

CH3COOH\mathrm { CH } _ { 3 } \mathrm { COOH }

D

Answer

CH3COOH\mathrm { CH } _ { 3 } \mathrm { COOH }

Explanation

Solution

CH3CHO→H2SO4K2Cr2O7CH3COOH\mathrm { CH } _ { 3 } \mathrm { CHO } \xrightarrow [ \mathrm { H } _ { 2 } \mathrm { SO } _ { 4 } ] { \mathrm { K } _ { 2 } \mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } } \mathrm { CH } _ { 3 } \mathrm { COOH }