Chemistry - Complete P-block Question with Solution | TestHub
ChemistryComplete P-blockp-Block 15,16Medium2 minQB
ChemistryMediumsingle choice
Bond dissociation enthalpies (kJ mol⁻¹) of E-H bonds: NH₃ 389, PH₃ 322, AsH₃ 297, SbH₃ 255. Which compound acts as the strongest reducing agent?
Options:
Answer:
D
Solution:
Sb-H has the lowest bond dissociation enthalpy (255 kJ mol⁻¹), so SbH₃ gives up hydrogen most readily and is the strongest reducing agent.
Stream:JEESubject:ChemistryTopic:Complete P-blockSubtopic:p-Block 15,16
⏱ 2mℹ️ Source: QB
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