Chemistry · p-Block Elements (Group 15-18)

JEE Main 2024 — 9 April, Shift 2 — Question 73

Number of oxygen atoms present in chemical formula of fuming sulphuric acid is $\qquad$ .

Answer: 7

Numerical answer — enter this value.

Step-by-step solution

Fuming sulphuric acid is a mixture of conc. $\mathrm{H}_{2} \mathrm{SO}_{4}+\mathrm{SO}_{3}$ Or $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}$ So, Number of Oxygen atoms $=7$

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Exam: JEE Main 2024
Paper: 9 April, Shift 2
Subject: Chemistry
Chapter: p-Block Elements (Group 15-18)
Topic: Compounds of Sulphur - preparation and properties