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What is not true about borax ?...

What is not true about borax ?

A

Molecular formula is `Na_(2)B_(4)O_(7)10H_(2)O`

B

Crystallic borax contains tetranuclear unit of `[B_(4)O_(5)(OH)_(4)]^(2-)`.

C

It hydrolyses to give an acidic solution.

D

White crystalline solid.

Text Solution

Verified by Experts

The correct Answer is:
C
`Na_(2)B_(4)O_(7)+7H_(2)O rarr underset("Strong base") 2NaOH+ underset("Weak acid")4B(OH)_(3)`
On hydrolysis, an alkaline solution is formed.
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