List of top Chemistry Questions asked in CUET (UG)

Identify the pseudohalogen from the following ions :

Match List - I with List- II.

List - I	List - II
(A) Zone refining	(I) Aluminium
(B) Blast furnace	(II) Iron
(C) Froth floatation process	(III) Metal Sulphides
(D) Hall-Heroalt process	(IV) Germanium

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Grignard reagent should be prepared under anhydrous condition because

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

Which of the given alkylhalide would undergo racemisation when hydrolysis is done with aq. KOH?

Rate of a reaction is of 2nd order w.r.t A and Ist order w.r.t B. If concentration of A is halved and concentration of B becomes \(\frac{1}{3}^{rd}\) of initial concentration. The rate of reaction becomes :

Match List I with List II

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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
Choose the correct answer from the options given below.

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:

The bond angle in methanol is :

The incorrect equation for Arrhenius equation for activation energy is:

Compound B in the above reaction is

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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An inorganic salt taken in a test tube was mixed with of freshly prepared ferrous sulphate solution. Concentrated sulphuric acid was then added along the walls of the test tube. Predict the formula of the compound formed:

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

Match List I with List II

List-I		List-II
(A)	Van Arkel Method	(I)	Copper
(B)	Zone Refining	(II)	Titanium
(C)	Mond Process	(III)	Germanism
(D)	Electrolytic Refining	(IV)	Nickel

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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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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
Choose the correct answer from the options given below: