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Question

Chemistry Question on p -Block Elements

Iodine oxidises sodium borohydride to give

A

B2H6B_2H_6

B

sodium hydride

C

HIHI

D

I3−I_3^-

Answer

B2H6B_2H_6

Explanation

Solution

The oxidation of sodium borohydride with iodine in diglyme gives diborane. 2NaBH4+I2⟶ Diglyme B2H6+2Nal+H22 NaBH _{4}+ I _{2} \stackrel{\text { Diglyme }}{\longrightarrow} B _{2} H _{6}+2 Nal + H _{2}