JEE Main Chemistry · The p-Block Elements

Group 17 & 18 in JEE Main

Name: Group 17 & 18: JEE Main previous year questions
Creator: Lumi

Group 17 & 18 (Chemistry, The p-Block Elements) came 8 times in 8 of the 42 JEE Main shifts Lumi analysed, across 8 distinct ideas. 4 of them came in 2024–26; it was last asked in 2026.

Questions: 8; in 8 shifts
Ideas asked: 8; 0 asked more than once
Numerical answer: 2; 25% of its questions
Pattern: Asked most years; last asked 2026

Questions each year

In the shifts Lumi analysed for each year.

Difficulty and format

Easy 3Medium 5Hard 0

Format

Single correct4 Q
Two statements2 Q
Numerical value2 Q

Ideas inside the topic

8 ideas

Chlorine Reactions with Alkalies1 Q
Chlorine Disproportionation with Alkalis1 Q
Reducing Character of Hydrogen Halides1 Q
Interhalogen Compounds1 Q
Controlled Preparation of Interhalogens1 Q
Noble Gas Properties1 Q
Halogen Reactivity Trends1 Q
Xenon Oxides/Oxyfluorides1 Q

Where it sits

Part of The p-Block Elements, which had 58 questions in all. Group 17 & 18 accounts for 14% of them. In Lumi's JEE taxonomy it belongs to Inorganic Chemistry.

Some questions sit in other chapters too: Chemical Bonding and Molecular Structure, Electrochemistry.

Every question

All 8 Group 17 & 18 questions

Newest first, each with its options and official answer.

2 Apr 2026, Shift 1 · Q60Given below are two statements : Statement (I) : Oxidising power of halogens decreases in the order $\mathrm{F_2>Cl_2>Br_2>I_2}$ , which is…MediumTwo statements
4 Apr 2026, Shift 1 · Q71According to Lewis theory, the total number of $\sigma$ bond-pairs and lone pair of electrons around the central atom of…MediumNumerical value
8 Apr 2024, Shift 1 · Q65Among the following halogens $\mathrm{F_2}$ , $\mathrm{Cl_2}$ , $\mathrm{Br_2}$ and $\mathrm{I_2}$ Which can undergo disproportionation…EasySingle correct
31 Jan 2024, Shift 1 · Q73Give below are two statements: Statement - I: Noble gases have very high boiling points. Statement - II: Noble gases are monoatomic gases.…EasyTwo statements
13 Apr 2023, Shift 2 · Q69The correct group of halide ions which can be oxidised by oxygen in acidic medium isMediumSingle correct
25 Jul 2022, Shift 1 · Q71The interhalogen compound formed from the reaction of bromine with excess of fluorine is a :MediumSingle correct
28 Jul 2022, Shift 1 · Q87The number of interhalogens from the following having square pyramidal structure is :…MediumNumerical value
2 Apr 2017 (offline) · Q46The products obtained when chlorine gas reacts with cold and dilute aqueous NaOH are :EasySingle correct