Question

Assume that the atomic mass of oxygen is $7.$ A sample of $11 \mathrm{~g}$ of an oxide of uranium contains $10 \mathrm{~g}$ of uranium. Which of the following formula for the oxide is compatible with the data?

Accepted Answer

Uranium oxide is $	ext{UO}$ and the atomic mass of $\mathrm{U}$ is 70

Answer

Uranium oxide is $\mathrm{U}_3 \mathrm{O}_8$ and the atomic mass of $\mathrm{U}$ is 240

Answer

Uranium oxide is $\mathrm{UO}_2$ and the atomic mass of $\mathrm{U}$ is 105

Answer

Uranium oxide is $\mathrm{U}_3 \mathrm{O}_2$ and the atomic mass of $\mathrm{U}$ is 105

JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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