JEE Main 2014ChemistryGeneral Principles and Processes of Isolation of MetalsHardMCQ

JEE Main 2014 — General Principles and Processes of Isolation of Metals Question with Solution

JEE Main 2014 (06 Apr)

Question

Which series of reactions correctly represents the chemical relations related to iron and its compound?

Choose an option

Show full solutionCorrect option: D
Correct answer
DFe→O2, heatFe3O4→CO, 600℃FeO→CO, 700℃Fe

Step-by-step explanation

This is the blast furnace reaction. Fe→dilute H2SO4FeSO4→H2SO4, O2Fe2SO43→heatFe and Fe→O2, heatFeO→dilute H2SO4FeSO4→heatFe cannot be the answer since, FeSO4 on heating gives FeO and SO2.

Fe→Cl2, heatFeCl3→heat, airFeCl2→ZnFe is wrong because FeCl3, on heating in air, stays as Fe+3 and does not form FeCl2.

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About this question

This is a previous-year question from JEE Main 2014, covering the General Principles and Processes of Isolation of Metals chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.