JEE Main 2014ChemistryCoordination CompoundsMediumMCQ

JEE Main 2014 — Coordination Compounds Question with Solution

JEE Main 2014 (19 Apr Online)

Question

Amongst the following, identify the species with an atom in +6 oxidation state.

Choose an option

Show full solutionCorrect option: A
Correct answer
A CrO 2 Cl 2

Step-by-step explanation

Cr + 6 O - 2 2 Cl - 1 2

⇒x+2(−2)+2(−1)=0x=6

Cr + 3 CN 6 - 3

⇒x+6(−1)=−3x=3

Cr + 3 2 O - 2 3

⇒2x+3(−2)=0x=3

Mn + 7 O 4 - 2 - 1

⇒x+4(−2)=−1x=+7
 

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About this question

This is a previous-year question from JEE Main 2014, covering the Coordination Compounds 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.