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Question: Which of the following is correctly arranged in order of decreasing basic strength ?...

Which of the following is correctly arranged in order of decreasing basic strength ?

A

CCl3CO2−\mathrm { CO } _ { 2 } ^ { - }> Cl2CHCO2−\mathrm { CO } _ { 2 } ^ { - }

B

CH3CO2−\mathrm { CO } _ { 2 } ^ { - }> ClCH2CO2−\mathrm { CO } _ { 2 } ^ { - }> Cl2CHCO2−\mathrm { CO } _ { 2 } ^ { - }

C

Cl2CH CO2−\mathrm { CO } _ { 2 } ^ { - } > ClCH2 CO2−\mathrm { CO } _ { 2 } ^ { - } > CH3 CO2−\mathrm { CO } _ { 2 } ^ { - } > CCl3CO2−\mathrm { CO } _ { 2 } ^ { - }

D

CCl3CO2−\mathrm { CO } _ { 2 } ^ { - }> CH3 CO2−\mathrm { CO } _ { 2 } ^ { - } > Cl2CH CO2−\mathrm { CO } _ { 2 } ^ { - } > ClCH2 CO2−\mathrm { CO } _ { 2 } ^ { - }

Answer

CH3CO2−\mathrm { CO } _ { 2 } ^ { - }> ClCH2CO2−\mathrm { CO } _ { 2 } ^ { - }> Cl2CHCO2−\mathrm { CO } _ { 2 } ^ { - }

Explanation

Solution

no. of –I group ­ B.S Æ