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What is not true about borax?...

What is not true about borax?

A

Molecular formula is `Na_2B_4O_7. 10H_2O`

B

Crystalline borax contains tetranuclear unit of `[B_4O_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_4O_7 + 7H_2O to underset("Strong base Weak acid")(2NaoH + 4B (OH)_3)`. On hydrolysis, an alkaline solution is formed.
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BRILLIANT PUBLICATION-CHEMICAL AND IONIC EQUILIBRIUM-Level - III (Linked Comprehension Type Questions)
  1. What is not true about borax?

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  2. The degre of dissociation of weak electrolyte is inversely proportiona...

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