JEE Main 2014Chemistryd and f Block ElementsEasyMCQ

JEE Main 2014d and f Block Elements Question with Solution

JEE Main 2014 (09 Apr Online)

Question

Which of the following is not formed when H2S reacts with acidic K2Cr2O7 solution ?

Choose an option

Show full solutionCorrect option: D
Correct answer
DCrSO4

Step-by-step explanation

The Reaction is

K 2 Cr 2 O 7 + 4 H 2 SO 4 K 2 SO 4 + Cr 2 SO 4 3 + 4 H 2 O + 3 O 3 O + 3 H 2 S 3 H 2 O + 3 S
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K 2 Cr 2 O 7 + 4 H 2 SO 4 + 3 H 2 S K 2 SO 4 + Cr 2 SO 4 3 + 7 H 2 O + 3 S
CrSO4 is not formed

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About this question

This is a previous-year question from JEE Main 2014, 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.