JEE Main 2023Chemistryd and f Block ElementsEasyNumerical

JEE Main 2023 — d and f Block Elements Question with Solution

JEE Main 2023 (15 Apr Shift 1)

Question

In Chromyl chloride, the oxidation state of chromium is + ___________.

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Show full solutionCorrect answer: 6
Correct answer
6

Step-by-step explanation

The chemical formula of Chromyl chloride is CrO2Cl2. The oxidation state of chromium in chromyl chloride (CrO2Cl2) is +6.

Let the oxidation number of Chromium be “x”, the oxidation state of oxygen  is -2, the oxidation state of chlorine  is -1.

Then,

 x + 2(-2) + 2(-1) = 0

x-6=0x=6

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About this question

This is a previous-year question from JEE Main 2023, covering the d and f Block Elements 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.