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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 18 March 2021, Shift 2, Chemistry Q40

Question 40 of 90 in this shift, Chemistry question 10 of 30, Section A.

The secondary valency and the number of hydrogen bonded water molecule(s) in CuSO4⋅5H2O\mathrm{CuSO_4 \cdot 5H_2O}, respectively, are :
  1. (1)4 and 1Official answer
  2. (2)6 and 4
  3. (3)5 and 1
  4. (4)6 and 5

Official answer

Option 1

NTA final key.

Chapter
Coordination Compounds
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.