Chemistry - Complete s-block Question with Solution | TestHub
ChemistryComplete s-blocks-block IAEasy2 minPYQ_2020
ChemistryEasysingle choice
The alkali metals form salt-like hydrides by the direct synthesis at elevated temperature. The thermal stability of these hydrides decreases in which of the following orders?
Options:
Answer:
B
Solution:
The alkali metal hydride stability ∝ lattice energy
On moving top to bottom the lattice energy decreases hence, the thermal stability of hydrides decreases.
Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Complete s-blockSubtopic:s-block IA
⏱ 2mℹ️ Source: PYQ_2020
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