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

Give the correct order of initialsTorFfor following statements. UseTif statement is true andFif it is false
(i) In Gold Schmidt thermite process aluminium acts as a reducing agent.
(ii)Mgis extracted by electrolysis of aq. solution ofMgCl2
(iii) Extraction ofPbis possible by carbon reduction method
(iv) Red bauxite is purified by Serpeck’s process

Options:

Answer:
D
Solution:

(i)Cr2O3+2AlR.A.ΔAl2O3+2Cr;ΔH=-ve
(ii)Mgis extracted by electrolysis of fusedMgCl2andNaCl
(iii)PbO+CPb+CO
(iv) Red Bauxite is purified by Baeyer’s process

Stream:NTA_ABHYASSubject:ChemistryTopic:General Principles and Processes of Isolation of MetalsSubtopic:General
2mℹ️ Source: PYQ_2020

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