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Question

Which of the following is the strongest acid?
  1. HBr
  2. HF
  3. H2S
  4. PH3

A
HBr
B
HF
C
H2S
D
PH3
Solution
Verified by Toppr

As the ability of release of H+ ion is more acidic it is (it means the size of the other atom should more).

Br having large size,So the strongest acid is HBr.

Hence option A is correct.

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