List of top Questions asked in CUET (UG)

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 ?

Aldol condensation results due to-

The chemical used for leaching of silver and gold is :

Arrange the following oxoacids of phosphorus in the correct decreasing order of their reducing strength.
A. H₄P₂O6
B. H₃PO₂
C. H₄P₂O₇
D. H₃PO₃
Choose the correct answer from the options given below :

The bond angle in methanol is :

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 :

Match List I with List II

List I		List II
A.	CH3CH2NH2	I.	N,N-Dimethylamiline
B.		II.	Ethylamine
C.	C6H5NH2	III.	Aniline
D.	C6H5N(CH3)2	IV.	Trimethylamine

Choose the correct answer from the options given below :

Identify the pseudohalogen from the following ions :

[Co(NH₃)₄Cl(NO₂)]Cl will show:
A. Solvate isomerism
B. Linkage isomerism
C. Coordination isomerism
D. Ionisation isomerism
Choose the correct answer from the options given below :

Aniline forms meta nitro derivative in strongly acidic medium. The reason is-

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

In order to differentiate between N-methylmethanamine and N,N-Dimethylmethanamine, the reaction to be used is :

Cyclopropanol
Identify D

2,4-DNP is ______

Select the reagents a and b respectively, used in the Hell-Volhard-Zelinsky reaction :

X - Cl, Br
A. X₂
B. X₂ / Red Phosphorus
C. H₂O
D. SoCl₂
E. X₂ / Yellow Phosphorus
Choose the correct answer from the options given below :

Which compound is formed when a secondary alcohol is oxidized ?

Which of the following compounds contain at least one secondary alcoholic group :

Choose the correct answer from the options given below :

During electrolytic refining of copper, some metals settle as anode mud. These metals are :
A. Selenium and Tellurium
B. Silver and Gold
C. Gold and Platinum
D. Zinc and Platinum
E. Selenium, Gold and Platinum
Choose the correct answer from the options given below :

Zinc metal reacts with dilute nitric acid to liberate gas :

Match List I with List II

List I		List II
A.	Rosenmund reduction	I.	CrO2Cl2CS2,H3O+
B.	Etard Reaction	II.	CO, HCl Anhyd. AlCl3/CuCl
C.	Gamenman-Koch reaction	III.	H2-Pd-BaSO4
D.	Clemmensen reduction	IV.	Zn-Hg/HCl

Choose the correct answer from the options given below :

Which of the following does not depict an isomer of oxetane

Electronic configuration of d⁶ when Δ_a < P

In the given reaction, the end-product is-

C is-

Co-ordination compounds present in following biological systems :
A. Chlorophyll
B. Haemoglobin
C. Vitamin B₁₂
D. Enzymes
E. Roots
Choose the correct answer from the options given below :

\(MnO_4^-\) + H₂O + I^- → MnO₂ + OH^- + X
Compound ‘X’ in the above reaction is :