List of top Chemistry Questions asked in CUET (UG)

Arrange the following in increasing order of their osmotic pressure generation at 298 K:
(The cell wall is permeable to water and not to the solute molecules)
(A) If a cell containing 0.5 moles of solute dissolved in 1 L of water is immersed in pure water.
(B) If a cell containing 0.25 moles of solute dissolved in 1 L of water is immersed in pure water.
(C) If a cell containing 0.1 moles of solute dissolved in 0.01 L of water is immersed in pure water.
(D) If a cell containing 0.2 moles of solute dissolved in 0.05 L of water is immersed in pure water.
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Which among the following is an essential amino acid?
What is the overall order of the reaction? Rate = k[A]½ [B]3/2
Which of the following is/are the bases of DNA?
(A) Adenine
(B) Uracil
(C) Thymine
(D) Cytosine
The central atom/ions in coordination compounds are referred to as:
Which of the following solvents is having its lowest Ebullioscopic constant?
SolventBoiling Point (K)
Chloroform334.4
Diethyl Ether307.8
Benzene353.3
Carbon disulphide319.4
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Which of the following gases at 298 K and 1 atm pressure is having maximum solubility in water?
(A) Methanal, KH = 0.000018
(B) Argon, KH = 40.3
(C) Methane, KH = 0.41
(D) CO2, KH = 1.6
Choose the correct answer from the options given below:
The correct statement/statements from the options given below is/are:
(A) Diazonium salts of aromatic amines are less stable than diazonium salts of aliphatic amines.
(B) Ethylamine is insoluble in water.
(C) Gabriel phthalimide synthesis can be used to prepare primary amines.
(D) Because of +R-effect of–NH2 group, aniline will undergo Friedel-Crafts acylation reaction.
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Which among the following is a biodegradable polymer?
Which among the following compounds show metal excess defect due to anionic vacancy?
What is the major product of Carbylamine reaction?
Which among the following is an antacid?
A first-order reaction has a half-life of 693 sec. What will be its rate constant?
Which factor in the Arrhenius equation corresponds to the fraction of molecules having kinetic energy greater than activation energy?
Which of the following ions will be coloured in the aqueous solution?
(A) Ti3+
(B) Nb3+
(C) Cu+
(D) Y3+
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Kohlrausch law is related to which of the following term?
For an SN2 reaction, arrange the following alkyl halides in increasing order of reactivity:
(A) CH3CH2CH2CH2
(B) CH3CH2CH(Br)CH3
(C) (CH3)3
(D) (CH3)2CHCH2
What is the color of copper compound formed in Fehling’s test for aliphatic aldehydes?
Molal elevation constant is also known as:
Match List I with List II for the oxidation state of central atoms:
List IList II
(A) Cr2O72−(I) +3
(B) MnO4−(II) +5
(C) VO3−(III) +7
(D) FeF63−(IV) +6
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Which of the following compounds will undergo Aldol condensation reaction?
Aldol condensation reaction

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What is the product when glucose reacts with bromine water?
Arrange the following in increasing order of their pH values:
(A) p-Nitrophenol,
(B) m-Cresol,
(C) m-Nitrophenol,
(D) Phenol.
What is the IUPAC name of picric acid?
Arrange the following rate constant units in increasing order of their order of reaction:(A) sec-1
(B) mol L-1 sec-1
(C) mol-1 L sec-1
(D) mol-1 L2 sec-1
Choose the correct answer from the options given below: