Chemistry - General Principles and Processes of Isolation of Metals Question with Solution | TestHub

ChemistryGeneral Principles and Processes of Isolation of MetalsGeneralEasy2 minPYQ_2020

ChemistryEasysingle choice

CaO and NaCl have the same crystal structure and nearly the same ionic radii. If 'u' is the lattice energy of NaCl, the lattice energy of CaO is very nearly

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Answer:

Solution:

Lattice energy $\propto \frac{Product of charges on ions}{Interionic distance}$

In CaO, the charges on cation and anion are twice the magnitude of charges on the cation and anion of NaCl. The interionic distance is the same.

Stream:NTA_ABHYASSubject:ChemistryTopic:General Principles and Processes of Isolation of MetalsSubtopic:General

⏱ 2mℹ️ Source: PYQ_2020

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