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NEET 2015

Exam: NEET
Year: 2015
Subject: Chemistry
Chapter: General Principles and Processes of Isolation of Metals

NEET 2015 · Chemistry · General Principles and Processes of Isolation of Metals

In the extraction of copper from its sulphide ore, the metal is...

In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with:

Options

AIron (II) sulphide
BCarbon monoxide
CCopper (I) sulphide
DSulphur dioxide

Correct answer

C. Copper (I) sulphide

Step-by-step solution

One of the process in extraction of copper is self-reduction of the ore after roasting.

C{u}_{2}S + 2C{u}_{2}O ⟶ 6Cu + S{O}_{2} ↑

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