JEE Main 2021 (Online) 24th February Evening Shift | Aldehydes, Ketones and Carboxylic Acids Question 133 | Chemistry

		List-II
(a)	(i)	$$\mathrm{Br}_{2} / \mathrm{NaOH}$$
(b)	(ii)	$$\mathrm{H}_{2} / \mathrm{Pd}-\mathrm{BaSO}_{4}$$
(c)	(iii)	$$\mathrm{Zn}(\mathrm{Hg}) / \mathrm{H}$$ Conc. $$\mathrm{HCl}$$
(d)	(iv)	$$\mathrm{Cl}_{2}$$ Red $$\mathrm{P}, \mathrm{H}_{2} \mathrm{O}$$

Choose the correct answer from the options given below :

(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)

(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)

JEE Main 2021 (Online) 24th February Morning Shift

MCQ (Single Correct Answer)

-1

Which of the following reagent is used for the following reaction ?

$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_3 \stackrel{?}{\longrightarrow} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CHO} $$

Molybdenum oxide

Manganese acetate

Copper at high temperature and pressure

Potassium permanganate

JEE Main 2020 (Online) 6th September Evening Slot

MCQ (Single Correct Answer)

-1

The correct match between Item-I (starting material) and Item-II (reagent) for the preparation of benzaldehyde is :

Item-I	Item-II
(I) Benzene	(P) HCl and SnCl₂, H₃O⁺
(II) Benzonitrile	(Q) H₂, Pd-BaSO₄, S and quinoline
(III) Benzoyl Chloride	(R) CO, HCl and AlCl₃

(I) - (R), (II) - (P) and (III) - (Q)

(I) - (P), (II) - (Q) and (III) - (R)

(I) - (Q), (II) - (R) and (III) - (P)

(I) - (R), (II) - (Q) and (III) - (P)

JEE Main 2020 (Online) 6th September Morning Slot

MCQ (Single Correct Answer)

-1

The major products of the following reaction are : JEE Main 2020 (Online) 6th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 137 English