List of top Questions asked in CUET (UG)- 2023

The best proton donor is:
A) \(H_2O\)
B) \(CH_3CH_2CH_2OH\)
C) \(CH_3CH_2CH_2CH_2OH\)
D)
Choose the correct answer from the options given below.

The incorrect equation for Arrhenius equation for activation energy is:

Among the following ethers, which cannot react with HI?

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 :

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

Match List I with List II

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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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Basic hydrolysis of esters produces:

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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Grignard reagent should be prepared under anhydrous condition because

Compound B in the above reaction is

The bond angle in methanol is :

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

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:

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

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

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:

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

Zone refining is based on the principle that

Which one of the following statements is incorrect about enzyme catalysis?

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

Choose the correct answer from the options given below:

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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Find the correct stoichiometric coefficients in the following redox equation:
xH⁺ + yC₆H₅CH₃ + wMnO^-₄ → aH₂O + bMn²⁺ + tC₆H₅COOH

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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