JEE Main 2022 · 28 Jun · Shift 2 · Chemistry Q68

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ChemistrySingle correct+4 / -1Question 68 of 90

Hydrogen has three isotopes : protium ( $^1$ H), deuterium ( $^2$ H or D) and tritium ( $^3$ H or T). They have nearly same chemical properties but different physical properties. They differ in

number of protons.

atomic number.

electronic configuration.

atomic mass.

Answer and worked solution

Official answer: D

Isotopes differ only in neutron number, hence atomic mass.

(D)

Topics:Preparation and properties of hydrogen

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JEE Main 2022 · 28 Jun · Shift 2, Chemistry question 68