JEE Main 2022 · 24 Jun · Shift 2 · Chemistry Q86

ChemistryInteger+4 / -1Question 86 of 90

(a) Baryte, (b) Galena, (c) Zinc blende and (d) Copper pyrites. How many of these minerals are sulphide based?

Your answer

Answer and worked solution

Official answer: 3

Formulae. Baryte $\mathrm{BaSO_4}$ (sulphate); galena PbS, zinc blende ZnS and copper pyrites $\mathrm{CuFeS_2}$ are sulphides.

Count 3.

Answer: 3

JEE Main 2022 · 24 Jun · Shift 2, Chemistry question 86