1.

An alkali metal hydride (NaH) reacts with diborane in .A. to give a tetrahedralcompound .B. which is extensively used as reducing agent in organic synthesis. The compounds. The compound .A. and .B. respectively are

Answer»

`(C_2H_5)_2O and NaBH_4`
`C_6H_6 and NaBH_4`
`CH_3COCH_3 and B_3N_3H_6`
`C_2H_6 and C_3H_5Na`

SOLUTION :`2NaH + B_2H_6 UNDERSET(.A.)OVERSET((C_2H_5)_2O)to 22NaBH_4`
Sodium Bromohydride .B..


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