List of top Questions asked in CUET (UG)

In the metallurgy of silver and that of gold, the respective metal is leached with a dil. solution of NaCN from which silver and gold is later recovered by

Expected products of hydrolysis of Lactose are:

Match List - I with List- II.

List - I	List - II
(A) Phenols	(I) Lucas Test
(B) Ethers	(II) Reimer Tiemann reaction
(C) Alcohols	(III) Williamson's Synthesis
(D) 2, 4,6 - trinitrophenols	(IV) Picric acid

Choose the correct answer from the options given below:

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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Rate of a particular reaction is represented by:
Rate = \(K [A]^0 [B]^2\)
The unit of rate constant K' in this case will be

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 correct order of decreasing reactivity towards nucleophilic addition of the following compounds are:
\(HCHO, C_6H_5CHO, CH_3COCH_3, C_2H_5COC_2H_5\)

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

List of Ligands are given below from spectrochemical series, re-arrange in the order of increasing field strength
A) \(SCN^-\)
B) \(Cl^-\)
C) \(F^-\)
D) \(OH^-\)
E) \(CN^-\)
Choose the correct answer from the options given below:

Match List - I with List- II.

List - I (Salts	List - II (Van't Hoff factor
(A) Mohr's Salt	(I) 3
(B) Blue Vitriol	(II) 8
(C) Lime slake	(III) 2
(D) Alum	(IV) 5

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Name the member of the Actinoid Series which is the last element:-

Inversion of configuration in Alkyl halides takes place:-

Vitamin C is also called-

Amino acids have high boiling point because
of the formation of Zwitter ion
of dipolar nature
of strong dipole- dipole interaction
of strong intermolecular forces
of the presence of-COOH and-\(NH_2\) at a-position
Choose the correct answer from the options given below:

Match List - I with List- II.

List - I	List - II
(A) Invert sugar	(I) \(\alpha\)-D-glucose and \(\alpha\)-D-glucose
(B) Maltose	(II) \(\beta\)-D-galactose and \(\beta\)-D-glucose
(C) Lactose	(III) Branched chain polymer of \(\alpha\)-D-glucose
(D) Amylopectin	(IV) Hydrolysis of sucrose

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Match List - I with List- II.

List - I	List - II
(A) Tranquilizers	(I) Aspirin
(B) Analgesics	(II) Iodoform
(C) Antiseptic	(III) Salvarsan
(D) Antibiotics	(IV) Antidepressant drug

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Most commonly used freon in the industries is

Which kind of isomerism is shown by following compounds
M-SCN, M-NCS

The least basic hydroxide amongst the following would be:-

In neutral solution, thiosulphate is oxidised by potassium permanganate to

The value of magnetic moment for \([CoF_6]^{3-}\) is:

For the solubility of gases in liquid, the correct statement at high temperature is:
A) Solubility of gases increase
B) Value of Hemy's constant (\(k_H\)) increases
C) Solubility of gases decrease
D) Value of \(k_H\) decreases
E) Value of \(k_H\) does not change
Choose the correct answer from the options given below:

Inversion of cane sugar is an example of

Values of \(\epsilon^0\) Reduction are given below as:-
\(Sn^{2+} |Sn = -0.14V, Zn^{2+} |Zn = -0.76V, Cr^{3+} |Cr = -0.74V\\Mg^{2+} | Mg = -2.36V\)
The ion which will get deposited at cathode in an electrochemical cell would be

IUPAC name of propiophenone is: