Question

# Which of the following is the strongest base?

A
ClO
B
ClO2
C
ClO3
D
ClO4

Solution

## The correct option is A ClO−Brønsted bases are those that can accept a proton (hydrogen ion). We know that, stronger the acid weaker is the conjugate base. Now, the order of acidic strength is HClO4>HClO3>HClO2>HClO. Hence, ClO− will be the strongest Brønsted base.

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