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NEET UG CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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Analyzing +4 | -1

Which of the following statements about the advantage of roasting sulphide ore before reduction is true?

a. The

\Delta_{{f}} {G}^{\mathrm{o}}

of the sulphide is greater than that for

{CS}_2

and

{H}_2 {S}

b. The

\Delta {G}

is negative for roasting sulphide ore to oxide.

c. Roasting sulphide to oxide is thermodynamically feasible

d. Carbon and hydrogen are suitable reducing agents for metal sulphides

View answer and explanation

Correct option: B

a, b, and c

Option B (a, b, and c) is correct because all three statements accurately describe the advantages of roasting sulfide ore before reduction.

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