JEE Advance - Chemistry (2016 - Paper 1 Offline - No. 14)
The crystalline form of borax has.
tetranuclear [B4O5(OH)4]2- unit
all boron atoms in the same plane
equal number of sp2 and sp3 hybridised boron atoms
one terminal hydroxide per boron atom
Explanation
Structure of crystalline form of borax
(a) Borax contains four boron atom; hence, it is tetranuclear.
(b) Only 2 boron atoms lie in the same plane.
(c) Two boron atoms are $s p^3$ hybridised other two borons are $s p^2$ hybridised.
(d) Each of the boron has hydroxyl group attached to it with two hydroxyl groups present as hydroxyl salts.
(a) Borax contains four boron atom; hence, it is tetranuclear.
(b) Only 2 boron atoms lie in the same plane.
(c) Two boron atoms are $s p^3$ hybridised other two borons are $s p^2$ hybridised.
(d) Each of the boron has hydroxyl group attached to it with two hydroxyl groups present as hydroxyl salts.
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