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Aqueus solution of borax acts as a buff...

Aqueus solution of borax acts as a buffer because

A

It contains tribasic acid and strong base.

B

It contains weak acid and its salt with strong base.

C

It contains number of neutral water molecules.

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
B
`Na_(2)B_(4)O_(7) +H_(2)O rarr underset(underset("base")("salt with strong"))(2Na[B(OH)_(4)])+ underset(underset("acid")("Weak"))(2H_(3)BO_(3))`.
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