Question

Treatment of sodium borohydride with sulfuric acid is a convenient method for the preparation of diborane:
__ NaBH4+ __ H2SO4 → __ B2H6+ __ H2 +__Na2SO4
When the equation is balanced, the lowest whole number coefficient for hydrogen is
A) 5.
B) 2.
C) 4.
D) 1.
E) 3.

Answer

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