List of top Questions asked in CUET (UG)

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:

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:

Match List -I with List-II

	List -I		List-II
A	Gel	I	Hair cream
B	Foam	II	Dust
C	Emulsion	III	Cheese
D	Aerosol	IV	Whipped cream

Choose the correct answer from the option given below

Arrange the following solids in the decreasing order of their magnetic strength in the presence of external magnetic field.
A. NaCl
B. CrO₂
C. MnO
D. Fe₃O₄

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 :

Chemisorption is favoured by

The solution which shows positive deviation from Raoult's Law, is the mixture of

Which of the following is not an expression of Dalton's law of partial pressures?

During bromination of phenol, lewis acid is not necessary required because of:

Decreasing order of reducing power of the given species as per their standard reduction potential is :
A. -2.36
B. +0.54
C. +1.23
D. -0.74
E. + 1.81
Choose the correct answer from the options given below:

In amines, the nitrogen atom is A and B hybridised, making geometry of amines as C. Then A, B, and C respectively are:

Hydroxylation of Trans But-2-ene results in the formation of-

\(C_2H_5OH\xrightarrow{X}C_2H_5Cl\xrightarrow{Y}C_2H_5CN\)
X and Y used in the above reaction are:

When 1.3-Diphenylprop-2-en-1-one is formed by the reaction of benzaldehyde and acetopheone in the presence of dil.NaOH followed by heating, which is the correct option ?

H-bond does not exist in: