Which of the following is/are correct about Borax?
(A) All boron atoms have same hybridization.
(B) There are 5 B-O-B bonds while 14 B-O bonds in its one molecule.
(C) 1 (M) borax solution reacts with equal volume of 2 (M) HCl solution.
(D) Half of the boron atoms have different oxidation number than the other half boron atoms.
Answers
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Correct formula of borax is Na
2
[B
4
O
5
(OH)
4
].8H
2
O.
Borax has tetranuclear. [B
4
O
5
(OH)
4
]
2−
unit.
Only two B atom lies in the same plane.
Two Boron are sp
2
& two are sp
3
hybridised.
One terminal hydroxide is present per boron atom.
Hence, options A, C and D are correct.
solution
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