List of top Questions asked in CUET (UG)

What happens when C₆H₅–O–R is treated with HX?
Which reagent will distinguish Benzophenone from acetone?
The structural feature in carbonyl compound for Aldol condensation is:
What is the correct sequence of increasing reactivity of the following compounds towards nucleophilic addition reaction? (A) Ethanal
(B) Propanone
(C) Propanal
(D) Butanone
Which of the following reagents is required for the conversion of Benzene to methyl benzoate?
(A) Br\(_2\)/FeBr\(_3\)
(B) Mg, dry Ether
(C) CO\(_2\), H\(_3\)O\(^+\)
(D) Methanol, Conc. H\(_2\)SO\(_4\)
The carbohydrate used as a storage molecule in plants is
Hell-Volhard Zelinsky reaction is used for the formation of
The reagent(s) used in hydroboration oxidation of propene are:
(A) B\(_2\)H\(_6\)
(B) H\(_2\)O
(C) H\(_2\)O\(_2\)
(D) OH\(^-\)
Optically active alkyl halide undergoing S\(_N\)2 substitution involves
Gabriel phthalimide synthesis is used for the preparation of
Select the correct statements for [Fe(CN)\(_6\)]\(^{3-}\) complex:
(A) Paramagnetic
(B) sp\(^3\)d\(^2\) hybridization
(C) Magnetic moment = 5.92 BM
(D) d\(^2\)sp\(^3\) hybridization
Acidified potassium dichromate oxidizes sulphides (S\(^{2-}\)) to .......
What is the decreasing order of field strength of given ligands? (A) S\(^{2-}\)
(B) Ethylenediamine
(C) NCS\(^{-}\)
(D) CN\(^{-}\)
What is the IUPAC name of [Pt(NH\(_3\))\(_2\)Cl\(_2\)]?
What is the color of Fe\(^{3+}\)(aq) ion?
Why is HCl not used to make the medium acidic in oxidation reactions of KMnO\(_4\) in acidic medium?
Arrange the following ions in increasing order of number of 3d-electrons: (A) Cr$^{2+}$
(B) Cu$^{2+}$
(C) Ti$^{3+}$
(D) Mn$^{2+}$
The atomic number of Lanthanum is 57. Its electronic configuration will be ......
A galvanic cell behaves as an electrolytic cell when?
Which of the following does not represent a correct application of the coordination compound?
The following statements describe various properties of a Mercury cell:
(A) It converts energy of combustion into electrical energy
(B) It is rechargeable
(C) The cell reaction involved is Zn(Hg) + HgO(s) $→$ ZnO(s) + Hg(l)
(D) It is a low current device used in hearing aids
Which cell is used in automobiles and inverters?
Calculate the molality of KI if the density of 20% (mass/mass) aqueous solution of KI is (1)202 g mL$^{-1}$.
(Molar mass of KI is 166 g mol$^{-1}$)
The unit of \( E_{\text{cell}} \) is
The following solutions were prepared by dissolving 1 g of solute in 1 L of the solution. Arrange the following solutions in decreasing order of their molarity: (A) Glucose (molar mass = 180 g mol$^{-1}$)
(B) NaOH (molar mass = 40 g mol$^{-1}$)
(C) NaCl (molar mass = 58.5 g mol$^{-1}$)
(D) KCl (molar mass = 7(4)5 g mol$^{-1}$)