JEE Main Chemistry · Hydrogen

Hydrogen and Hydrides in JEE Main

Name: Hydrogen and Hydrides: JEE Main previous year questions
Creator: Lumi

Hydrogen and Hydrides (Chemistry, Hydrogen) came 11 times in 10 of the 42 JEE Main shifts Lumi analysed, across 10 distinct ideas. 0 of them came in 2024–26; it was last asked in 2023.

Questions: 11; in 10 shifts
Ideas asked: 10; 1 asked more than once
Numerical answer: 0; 0% of its questions
Pattern: Comes in cycles; rarely asked since 2024

Questions each year

In the shifts Lumi analysed for each year.

Difficulty and format

Easy 4Medium 7Hard 0

Format

Single correct5 Q
Other2 Q
Two statements2 Q
Assertion–reason2 Q

Ideas inside the topic

10 ideas

Redox Behavior of Hydrogen Peroxide2 Q
H-H Bond Dissociation Enthalpy1 Q
Clark's Method for Temporary Hardness1 Q
Storage and Stabilization of H2O21 Q
High Purity Dihydrogen Preparation1 Q
Ionic or Saline Hydrides1 Q
Isotopes of Hydrogen1 Q
Kinetic Isotope Effect in Hydrogen1 Q
Syngas Production via Reforming1 Q
Temporary Hardness and Clark's Method1 Q

Where it sits

Part of Hydrogen, which had 14 questions in all. Hydrogen and Hydrides accounts for 79% of them. In Lumi's JEE taxonomy it belongs to Inorganic Chemistry.

Every question

All 11 Hydrogen and Hydrides questions

Newest first, each with its options and official answer.

8 Apr 2023, Shift 2 · Q66Which of the following can reduce decomposition of $\mathrm{H_2O_2}$ on exposure to lightMediumSingle correct
11 Apr 2023, Shift 1 · Q66Given below are two statements: Statement-I : Methane and steam passed over a heated Ni catalyst produces hydrogen gas. Statement-II :…EasyTwo statements
13 Apr 2023, Shift 2 · Q66Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Isotopes of hydrogen…MediumAssertion–reason
28 Jul 2022, Shift 1 · Q67The metal salts formed during softening of hardwater using Clark's method are :EasySingle correct
29 Jun 2022, Shift 1 · Q68Which one of the following reactions indicates the reducing ability of hydrogen peroxide in basic medium ?MediumSingle correct
3 Aug 2021, Shift 2 · Q35Which one of the following statements is incorrect? A. The correct order of increasing first ionization enthalpy is Li < H < F. B. Out of…MediumOther
25 Jul 2021, Shift 1 · Q35At 298.2 K the relationship between enthalpy of bond dissociation (in kJ mol $^{-1}$ ) for hydrogen ( $\mathrm{E_H}$ ) and its isotope,…MediumSingle correct
16 Mar 2021, Shift 2 · Q35The correct statements about $\mathrm{H_2O_2}$ are : (A) used in the treatment of effluents. (B) used as both oxidising and reducing…MediumOther
16 Mar 2021, Shift 2 · Q42Statement I : Sodium hydride can be used as an oxidising agent. Statement II : The lone pair of electrons on nitrogen in pyridine makes it…EasyTwo statements
18 Mar 2021, Shift 1 · Q36Given below are two Statements : One is labelled as Assertion A and the other is labelled as Reason R : Assertion A : During the boiling…MediumAssertion–reason
6 Sep 2020, Shift 2 · Q34Dihydrogen of high purity ( $>99.95\%$ ) is obtained through :EasySingle correct