List of top Chemistry Questions asked in CUET (UG)

The vapor pressure curve of the mixture of ethanol and acetone is higher than its constituents because:

Match List I with List II

List-I		List-II
(A)	Hexagonal	(I)	∝ ≠ β ≠ γ ≠ 90°
(B)	Orthorhombic	(II)	∝ = γ = 90°, β ≠ 90°
(C)	Triclinic	(III)	∝ = β = 90°, γ = 120°
(D)	Monoclinic	(IV)	∝ = β = γ = 90°

Choose the correct answer from the options given below:

Which one of the following characteristics of the transition metals is associated with their catalytic property/activity ?

KMnO₄ + H₂SO₄ + X → MnSO₄ + K₂SO₄ + H₂O + CO₂
Identify X :

IUPAC name of propiophenone is:

Zinc metal reacts with dilute nitric acid to liberate gas :

Correct IUPAC name of the compound given below is:

In neutral solution, thiosulphate is oxidised by potassium permanganate to

Which of the following is not characteristic of chemisorption?

Glucose does not react with:

The magnetic moment of the complex species- [Fe(H₂O)₆]^2- and K₂[MnCl₄] are 5.3 and 5.9 respectively. The number of unpaired electrons respectively are :

2,4-DNP is ______

Which of the following statements relating to the acidic character of alcohols is not true ?

Match List I with List II

List-I		List-II
(A)	Oxidation state of Mn in MnO2 is	(I)	+2
(B)	Most stable oxidation state of Mn is	(II)	+3
(C)	Most stable oxidation state of Mn in \(MnO_{4}^{-}\) is	(III)	+4
(D)	Characteristic oxidation state of  lanthanoids is	(IV)	+7

Choose the correct answer from the options given below:

Ammonia is manufactured by:
\[ \text{N}_2(g) + 3\text{H}_2(g) \rightleftharpoons 2\text{NH}_3(g) \quad \Delta H_f^\circ = -46.1 \, \text{kJ/mol} \] The various steps involved are:
(A) Condensation of mixture of gases
(B) Passing the gaseous mixture over catalyst
(C) Compression of the mixture of gases
(D) Recirculation of the gaseous mixture
Choose the correct answer from the options given below:

The correct order of dipole moment of the different methyl halides is-

Predict the major product in the following reaction:

Which of the following is an example of an Emulsion?

Match List-I with List-II.

List-I		List-II
(A)	D	(I)	Loss of blood clotting
(B)	C	(II)	Rickets
(C)	B6	(III)	Scurvy
(D)	K	(IV)	Convulsions

Choose the correct answer from the options given below:

Glycoside linkage is the ether bond present in between two:

The rate constants of a reaction at 200 K and 300 K are 0.02 s^-1 and 0.04 s^-1. Ea for this reaction will be:

The chemical used for leaching of silver and gold is :

Ferric oxide in blast furnace's upper half is mainly reduced by:

Arrange the following Nucleophiles in the decreasing order of their attacking strength:
(A)
(B) CH₃CH₂CH₂COO^-
(C) CH₃CH₂CH₂CH₂S^-
(D) CH₃CH₂CH₂CH₂O^-
Choose the correct answer from the options given below :

The number of unpaired electron in gaseous ions Mn³⁺(Z=26), V³⁺ (Z=23), Cr³⁺ (Z=24) are respectively :