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Which of the following is an acid?...

Which of the following is an acid?

A

`Ca(OH)_(2)`

B

`P(OH)_(3)`

C

`NH_(4)OH`

D

`NaOH`

Text Solution

Verified by Experts

The correct Answer is:
B

Acids are proton donors. `P(OH)_(3)` has two ionisable protons and acts like acid.
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