AP EAMCET202418 May 2024Morning ShiftChemistryHydrogenActual
In which of the following reaction, dihydrogen is not evolved?
Options
- AOxidation of sodium borohydride with iodine
- BHydrolysis of boranes
- CHeating the adduct formed by reaction of ammonia with diborane
- DBurning of diborane in oxygen
Correct answer
D. Burning of diborane in oxygen
Step-by-step solution
(a) 2 NaBH ₄+ I ₂ ~B ₂ H ₆+2 NaI + H ₂ (b) B ₂ H ₆+6 H ₂ O 2 ~B ( OH )₃+6 H ₂ (d) B ₂ H ₆+3 O ₂ ~B ₂ O ₃+3 H ₂ O