Question

# According to Bronsted-Lowry concept, the relative strengths of the bases $$CH_3COO^-, OH^-$$ and $$Cl^-$$ are in the order:

A
OH>CH3COO>Cl
B
Cl>OH>CH3OO
C
CH3COO>OH>Cl
D
OH>Cl>CH3COO

Solution

## The correct option is A $$OH^->CH_3COO^->Cl^-$$The Bronsted-Lowry concept is an acid base reaction theory which states that when an acid and a base react with each other, the acid forms its conjugate base and the base forms its conjugate acid by exchange of a proton.$$Acid+base\rightleftharpoons \text{conjugate base}+\text{conjugate acid}\\ \text{Acidic strengths}:\ HCl>C{ H }_{ 3 }COOH>{ H }_{ 2 }O\\ \text{Conjugate base strengths}:\ C{ l }^{ - }<C{ H }_{ 3 }CO{ O }^{ - }<O{ H }^{ - }$$Option A is correct.Chemistry

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