Day 35: JEE Mains Chemistry

Solutions. This type asked 4 times: 2021 Paper 11, 28 Jun 2022, 9 Apr 2024, 24 Jan 2026 S2. This one: 24 Jan 2026 S2 See all 4 of this type

Aldehydes, Ketones and Carboxylic Acids. This type asked 4 times: 29 Jan 2024, 9 Apr 2024, 22 Jan 2025, 24 Jan 2026 S1. This one: 24 Jan 2026 S1 See all 4 of this type

39

A student is given one compound among the following compounds that gives positive test with Tollen's reagent. The compound is :

1. A.
   D
2. B.
   A
3. C.
   B
4. D.
   C

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Coordination Compounds. This type asked 4 times: 2021 Paper 4, 6 Apr 2024, 22 Jan 2025, 23 Jan 2026 S1. This one: 23 Jan 2026 S1 See all 4 of this type

Hydrocarbons. This type asked 4 times: 31 Jan 2023, 1 Feb 2023, 1 Feb 2024, 23 Jan 2026 S1. This one: 23 Jan 2026 S1 See all 4 of this type

35

But-2-yne and hydrogen (one mole each) are separately treated with (i) $Pd/C$ and (ii) $Na/$ liq. $NH_{3}$ to give the products X and Y respectively. Identify the incorrect statements. (A) $X$ and $Y$ are stereoisomers. (B) Dipole moment of X is zero (C) Boiling point of X is higher than Y . (D) X and Y react with $O_{3}/Zn + H_{2}O$ to give different products. Choose the correct answer from the options given below :

1. A.
   B and C only
2. B.
   B and D only
3. C.
   A and B only
4. D.
   A and C only

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Biomolecules. This type asked 4 times: 27 Jul 2022, 28 Jul 2022, 31 Jan 2024, 22 Jan 2026 S2. This one: 22 Jan 2026 S2 See all 4 of this type