Chemistry · JEE

Chemical equations and stoichiometry Previous Year Questions for JEE

47+ syllabus-aligned questions available

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Goodmarks offers 47+ JEE-style PYQs for Chemical equations and stoichiometry with detailed solutions. While official past papers rotate yearly, our bank covers the same concepts, difficulty, and question formats tested in JEE Chemistry.

Previous year questions are the fastest way to understand how Chemical equations and stoichiometry is tested in JEE. Practise 47+ exam-pattern MCQs modelled on JEE Main and Advanced, with full solutions for every question.

Syllabus context

Part of Some Basic Concepts in Chemistry in JEE Main Chemistry.

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Q1ChemistryUnit 1: Some Basic Concepts in Chemistry

Volume of

N_{2},

in litres, liberated on heating 6.4 g of

N H_{4} N O_{2}

is:

Q2ChemistryUnit 1: Some Basic Concepts in Chemistry

On dividing 0.46 by

15.374,

the actual answer is

0.02992 .

The correctly reported answer will be:

Q3ChemistryUnit 1: Some Basic Concepts in Chemistry

Equation for the following reaction.

\boldsymbol{C u}+\boldsymbol{x} \boldsymbol{H} \boldsymbol{N} \boldsymbol{O}_{3} \rightarrow \boldsymbol{C u}\left(\boldsymbol{N} \boldsymbol{O}_{3}\right)_{2}+

2 H_{2} O+2 N O_{y}

Find the value of

x

and

y

Q4ChemistryUnit 1: Some Basic Concepts in Chemistry

heated together, the maximum weight of

C l_{2}

gas evolved will be:

Q5ChemistryUnit 1: Some Basic Concepts in Chemistry

In the reaction

4 N H_{3}+5 O_{2} \longrightarrow

4 N O+6 H_{2} O,

when one mole of ammonia and one mole of oxygen are made to react to completion, then

Q6ChemistryUnit 1: Some Basic Concepts in Chemistry

White phosphorous reacts with limited chlorine and the product is hydrolyzed in the presence of water. What would be the mass of HCl obtained by the hydrolysis of the product formed by the reaction of 62 g of white phosphorus with chlorine in the presence of water?

Q7ChemistryUnit 1: Some Basic Concepts in Chemistry

\boldsymbol{F} \boldsymbol{e}_{\boldsymbol{x}} \boldsymbol{O}_{3}(\boldsymbol{s})+\boldsymbol{2} \boldsymbol{A} \boldsymbol{l}(\boldsymbol{s}) \rightarrow \boldsymbol{2} \boldsymbol{F} \boldsymbol{e}(\boldsymbol{l})+

\boldsymbol{A l}_{2} \boldsymbol{O}_{\boldsymbol{y}}(\boldsymbol{s})+\boldsymbol{H} \boldsymbol{e} \boldsymbol{a} \boldsymbol{t}

Find the value of

x

and

y

Q8ChemistryUnit 1: Some Basic Concepts in Chemistry

The standard solution of sodium hydroxide cannot be prepared by direct weighing of cold sodium hydroxide because it is :

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Frequently asked questions

Why practise PYQs for Chemical equations and stoichiometry?

PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

Does Goodmarks have actual JEE past papers?

Our bank includes exam-style MCQs aligned with JEE Main Chemistry syllabus for Chemical equations and stoichiometry, covering the same topics as previous year papers.

How should I use PYQs for Some Basic Concepts in Chemistry?

Solve timed sets, review every explanation, note weak subtopics, then revisit with focused practice on Goodmarks.

Are PYQ solutions step-by-step?

Yes. Every question includes the correct answer and a detailed explanation showing the reasoning.