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Aqueous solution of borax acts as a buff...

Aqueous solution of borax acts as a buffer because:

A

it contains weak acid and its salt with strong base

B

it contains tribasic acid and strong base

C

it contains number of neutral water molecules

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
`Na_2B_4O_7 +7H_2O rarr underset("Salt with strong base")(2Na[B(OH)_4]) + underset("Weak acid")(2H_3BO_3)`
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