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Q.

Given below are the statements about diborane(a) Diborane is prepared by the oxidation of NaBH4 with I2(b) Each boron atom is in sp2 hybridized state(c) Diborane has one bridged 3 centre-2-electron bond(d) Diborane is a planar moleculeThe option with correct statements is -

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a

(c) and (d) only

b

(a) only

c

(c) only

d

(a) and (b) only

answer is B.

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Detailed Solution

Diborane is prepared by the reaction of NaBH4 with I2.2NaBH4 + I2 → B2H6 + 2NaI + H2In diborane, 'B' is sp3 hybridised, it is Non-planar and two 3c-2e− bonds are present.
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