Chemistry - Complete Pblock- Question with Solution | TestHub

ChemistryComplete Pblock-p-Block 13,14Easy2 minPYQ_2020
ChemistryEasysingle choice

Methane is quite stable, whereas silane is unstable? Because -

Options:

Answer:
B
Solution:

Si—Hbond energy is393 kJ/mol

Whereas,C—Hbond energy is435 kJ/mol

DC—C ⋍ 340 kJ/mol & DSi—Si⋍368 kJ/mol

C—CandSi—Sibond energies are comparable, while Si−Hbond energy is lower than C−Hbond energy, so methane is quite stable, whereas silane is unstable.

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Complete Pblock-Subtopic:p-Block 13,14
⏱ 2mℹ️ Source: PYQ_2020

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