JEE Main 2021 · ChemistryNumerical answerNumerical valueMediumRecall

JEE Main 31 August 2021, Shift 1, Chemistry Q58

Question 58 of 90 in this shift, Chemistry question 28 of 30, Section B.

The number of hydrogen bonded water molecule(s) associated with stoichiometry

\mathrm{CuSO_4\cdot 5H_2O}

is __________.

Official answer

NTA final key.

Chapter: Hydrogen
Topic: Hydrogen and Hydrides
Idea tested: Classification of Hydrates

Same idea in other shifts

Asked 2× in all

29 Jun 2022, Shift 2 · Q68Given below are two statements. • Statement I: In $\mathrm{CuSO_4{\cdot}5H_2O}$ , Cu-O bonds are present. • Statement II: In…MediumTwo statements

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.