Chemistry · JEE

Important Questions: Group 13 to Group 18 Elements for JEE

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The most important Group 13 to Group 18 Elements questions for JEE cover conceptual traps, standard results, and numerical patterns from Group 13 to Group 18 Elements. Goodmarks provides 11+ high-yield MCQs with full solutions.

Focus on what matters most. These important Group 13 to Group 18 Elements questions cover high-weightage concepts from Group 13 to Group 18 Elements — the topics JEE repeats every year.

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Q1ChemistryUnit 10: p-Block Elements

Reaction,

\boldsymbol{C l}_{2}+\mathbf{2} \boldsymbol{N} \boldsymbol{a} \boldsymbol{O} \boldsymbol{H} \rightarrow \boldsymbol{P}

What are the products?

Q2ChemistryUnit 10: p-Block Elements

Sulphur dioxide levels in the atmosphere can be reduced by using:

Q3ChemistryUnit 10: p-Block Elements

Which of the following pentahalides does not exist?

Q4ChemistryUnit 10: p-Block Elements

Hydrolysis of 1 mol of peroxodisulphuric acid produces:

Q5ChemistryUnit 10: p-Block Elements

Concentrated

\boldsymbol{H}_{2} \boldsymbol{S} \boldsymbol{O}_{4}

cannot be used to prepare HBr or HI from KBr or KI because it

Q6ChemistryUnit 10: p-Block Elements

P I_{3}

upon hydrolysis give:

Q7ChemistryUnit 10: p-Block Elements

Diborane

\left(B_{2} H_{6}\right)

reacts independently with

O_{2}

and

H_{2} O

to produce :

Q8ChemistryUnit 10: p-Block Elements

Which of the following is used for making optical instruments:

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Frequently asked questions

What makes a Group 13 to Group 18 Elements question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

Which subtopics in p-Block Elements are high-weightage?

Key areas include Group 13 to Group 18 Elements. Prioritise these before moving to edge cases.

How many important questions should I revise?

Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.

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Pro users can filter by unit and subtopic to target high-yield areas. Free users can attempt sample questions on this page.