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

Options

A. `CH_(3)COCH_(3) and B_(3)N_(3)H_(6)`
B. `(C_(2)H_(5))O and NaBH_(4)`
C. `C_(2)H_(6) and C_(2)H_(5)Na`
D. `C_(6)H_(6) and NaBH_(4)`

Answer

B

Explanation

` 2NaH + B_(2)H_(6) overset ((C_(2)H_(5))_(2)O) underset (A) to underset (B) underset ("Sodium borohydride") (2NaBH_(4))`