List of top Chemistry Questions asked in CUET (UG)

The best proton donor is:
A) \(H_2O\)
B) \(CH_3CH_2CH_2OH\)
C) \(CH_3CH_2CH_2CH_2OH\)
D)
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Among the following ethers, which cannot react with HI?

Which of the following haloalkanes reacts with aqueous KOH most easily?

Second most student element in alloy misch metal is:

In Clemensen reduction the reagents are -
A) Zu-Hg
B) HCL
C) Zn
D) \(H_2SO_4\)
E) Cu
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Benzene and naplıithalene form an ideal solution at room temperature. The true statements for this solution are:
A. ΔG is positive
B. ΔS_system is positive.
C. ΔS_surrounding = 0.
D. Δ_maxH = 0.
Е. Δ_maxV = 0.
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Basic hydrolysis of esters produces:

Match List I with List II

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The bond angle in methanol is :

Vitamin C is also called-

Actinoid contraction is of greater extent then lanthanide contraction because :

Match List-I with List-II.

List-I		List-II
(A)	Nylon	(I)	Terylene
(B)	Polyester	(II)	Caprolactam
(C)	Bakeli	(III)	Isoprene
(D)	Rubber	(IV)	Novolac

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Phenol is manufactured from hydrocarbon, Cumene. Cumene is chemically:

Match List I with List II

List-I		List-II
(A)	Cyanocobalamine	(I)	Hydrogenation of Alkenes
(B)	Wilkinson catalyst	(II)	Antipernicious anemia factor
(C)	D-penicillamine	(III)	Refining of Ni
(D)	Mond's Process	(IV)	Treatment of toxic effects of copper

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What will be the product of the following reaction:
C₆H₅ONa+ C₂H₅Cl → ?

Match List -I with List-II

	List -I		List-II
A	Buna-S	I	Vinyl chloride
B	Neoprene	II	1,3-Butadiene and styrene
C	PVC	III	Tetra flouroethene
D	Teflon	IV	Chloroprene

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Amongst the following, identify the condensation polymer/s:
(A) Bakelite
(B) Teflon
(C) Melamine formaldehyde resin
(D) Nylon-2 nylon-6
(E) Buna-S
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The IUPAC name of

Colour of Manganate ion in \(KMnO_4\) is due to:

A reaction takes 30 minutes to complete 50% of the reaction and takes 45 minutes to complete 75% of the reaction. The order of the reaction is:

During peptization the
precipitate breaks up into smaller particles of the size of a colloid
molecules aggregate together to form a colloid
the precipitate adsorb one of the ions of the electrolyte on its surface
precipitate is shaken with the dispersion medium
molecules loses positive and negative charge.
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Zone refining is based on the principle that

Which of the following statements are true?
A. Flocculation value is inversely proportional to the coagulating power.
B. Colloidal silicon is a protective colloid.
C. Alum is used for cleaning muddy water.
D. Gelatin is added to ice cream to act as an emulsifier.
Choose the most appropriate answer from the options given below.

The reactions taking place during electrolysis of aqueous solution of CuCl₂ with platinum electrodes are :
A. Cu²⁺(aq) + 2e^- → Cu(s)
B. H⁺(aq) + e^- → \(\frac{1}{2}H_2(g)\)
C. H₂O(l) + e^- → \(\frac{1}{2}H_2(g)+^-OH(aq)\)
D. Cl^-(aq) → \(\frac{1}{2}Cl_2(g)+e^-\)
E. 2^-OH(aq) → H₂O(l) + \(\frac{1}{2}O_2(g)+2e^-\)
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Match List I with List II

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