🧪Chapter Practice
Mole Concept & Stoichiometry — JEE Practice
30 practice questions across 2 topics. Filter by difficulty, solve topic-wise MCQs, and review detailed solutions.
2 Topics30 Questions
Mole & Avogadro Number(15 Qs)
easy (5)
medium (5)
hard (5)
Q1A compound has 40% C, 6.7% H, 53.3% O. Its empirical formula is:Q2100 mL of 0.1 M HCl is mixed with 100 mL of 0.1 M NaOH. The resulting solution pH is:Q3In the reaction 2KMnO₄ + 16HCl → 2KCl + 2MnCl₂ + 5Cl₂ + 8H₂O, the equivalent weight of KMnO₄ is:Q4The normality of 0.5 M H₂SO₄ is:Q5A mixture of NaHCO₃ and Na₂CO₃ weighing 1 g requires 12 mL of 0.1 N HCl for neutralisation. The percentage of Na₂CO₃ is approximately:
Equivalent Concept & Titrations(15 Qs)
easy (5)
medium (5)
hard (5)
Q10.5 g of an oxalic acid sample requires 40 mL of 0.1N NaOH. The purity of oxalic acid (M = 126) is:Q2In iodometric titration, I₂ liberated is titrated with:Q3A solution contains 0.1 mol FeSO₄ and 0.1 mol Fe₂(SO₄)₃. Volume of 0.1M KMnO₄ in acidic medium needed to oxidize all Fe²⁺:Q4The number of millimoles present in 250 mL of 0.2 M solution is:Q5The normality of "10 volume" H₂O₂ solution is approximately:
More Chemistry Chapters
Need Help with Mole Concept & Stoichiometry?
Get 1-on-1 doubt sessions and personalised practice analysis with our JEE Chemistry coaching mentors.