JEE Main 2022ChemistrySolid StateEasyNumerical

JEE Main 2022 — Solid State Question with Solution

JEE Main 2022 (27 Jun Shift 1)

Question

Two elements A and B which form 0.15 moles of A2B and AB3 type compounds. If both A2B and AB3 weigh equally, then the atomic weight of A is____times of atomic weight of B.

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Show full solutionCorrect answer: 2
Correct answer
2

Step-by-step explanation

Given: Molar mass of A2B=AB3

∴ 2A+B=A+3BA→Atomicwt. of AB→Atomicwt. of B

⇒A=2 B

∴ atomic wt. of A is 2 times of atomic wt. of B Integer answer is 2.

 

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About this question

This is a previous-year question from JEE Main 2022, covering the Solid State chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.