List of top Chemistry Questions asked in CUET (UG)

Which of the following molecules has the highest bond angle?
The wavelength of the first line in the Balmer series of hydrogen spectrum is 656 nm. What is the wavelength of the second line?
The oxidation number of Co in complex \( [Co(H_2NCH_2CH_2NH_2)_3]_2(SO_4)_3 \) is?

The gold number range of some of the lyophilic colloids is given below: 
A: 0.005 - 0.01,  B: 0.15 - 0.25,  C: 0.04 - 1.0,  D: 15 - 25.

The total number of ions produced from the complex \( [Cr(NH_3)_6]Cl_3 \) in aqueous solution will be?
Which of the following compounds will be repelled when placed in an external magnetic field?

Arrange the following in decreasing order of number of molecules contained in:
(A) 16 g of \( O_2 \) 
(B) 16 g of \( CO_2 \) 
(C) 16 g of \( CO \) 
(D) 16 g of \( H_2 \) 

What is the formula of urea?

\(\text{Reaction of aniline with conc. HNO}_3 \text{ and conc. H}_2\text{SO}_4 \text{ at 298 K will produce 47\% of:}\)

What is another term used for the probability factor (P) in collision theory?
Which factor in the Arrhenius equation corresponds to the fraction of molecules having kinetic energy greater than activation energy?
Kohlrausch law is related to which of the following term?
Which term of molar conductivity is used when the concentration of electrolyte approaches zero?
What is the overall order of the reaction? Rate = k[A]½ [B]3/2
Molal elevation constant is also known as:
Which among the following compounds show metal excess defect due to anionic vacancy?
Which of the following solvents is having its lowest Ebullioscopic constant?
SolventBoiling Point (K)
Chloroform334.4
Diethyl Ether307.8
Benzene353.3
Carbon disulphide319.4
Choose the correct answer from the options given below:
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:
Match List-I with List-II:
List-I (Amino Acid)List-II (Nature of Amino Acid)
(A) Valine(I) Basic amino acid
(B) Glycine(II) Neutral optically active amino acid
(C) Lysine(III) Acidic amino acid
(D) Glutamic acid(IV) Neutral optically inactive amino acid
Choose the correct answer from the options given below:
Which of the following is/are the bases of DNA?
(A) Adenine
(B) Uracil
(C) Thymine
(D) Cytosine
Match List-I with List-II:
Figure

Choose the correct answer from the options given below:
Match List-I with List-II:
List-IList-II
(A) Mn2+(I) Pyrolusite ore
(B) Spin only Magnetic Moment(II) An alloy of 4f metal, iron and traces of S, C, Al and Ca
(C) MnO2(III) μs = √n(n + 2) BM
(D) Misch metal(IV) Highest oxidation states

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.
Choose the correct answer from the options given below:
Which of the following ions will be coloured in the aqueous solution?
(A) Ti3+
(B) Nb3+
(C) Cu+
(D) Y3+
Choose the correct answer from the options given below:
Consider the following compounds:
compounds
Arrange these compounds in the increasing order of rate of hydrolysis: