List of top Questions asked in CUET (UG)

Aniline upon heating with conc. HNO₃ and concentrated H₂SO₄ mixture gives.

Reaction of nitrous acid with aliphatic primary amine in cold gives.

Arrange the following sets of compounds in order of their increasing boiling points.
A. Pentan-1-ol
B. Butan-1-ol
C. Butan-2-ol
D. Ethanol
E. Propan-1-ol
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Arrange the following three compounds in order of decreasing acidity.

When phenol is treated with chloroform in the presence of NaOH, the major product formed is?

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Monochlorination of toulene in sunlight followed by hydrolysis with aq NaOH yields.

The increasing order of magnetic behaviour for following complex is
A. \([Ti(H_2O)_6]^{3+}\)
B. \([V(H_2O)_6]^{3+}\)
C. \([MnCl_4]^{2-}\)
D. \([MnF_6]^{3-}\)
E. \([Cr(H_2O)_6]^{3+}\)
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What will be the product of the following reaction:
C₆H₅ONa+ C₂H₅Cl → ?

Allyl chloride on dehydrochlorination gives :

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Match List I with List II

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Grignard reagent should be prepared under anhydrous condition because

Identify the correct statement(s).
A. Fluorine is a stronger oxidising agent than chlorine.
B. Sulphur in vapour state shows paramagnetic behavior.
C. \(H_2S\) is more acidic than \(H_2Te\).
D. Fluorine form two oxoacids HOF, HOFO.
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Which one of the following characteristics of the transition metals is associated with their catalytic property/activity ?

The aqueous solution containing which one of the following ions will be colourless (Atomic number of Sc = 21, Fe = 26, Ti = 22, Mn = 25)

What is basicity of \(H_3PO_4\)

Which is best description of behavior of bromine in the reaction given below?
\(H_2O+ Br_2→ HBr +HOBr\)

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Which of the following ionic species has the greatest proton affinity to form stable compound?

A first order reaction is found to have a rate constant, \(k = 5.5 × 10^{-14} s^{-1}\). Find the half life of the reaction.

Ore of copper is:

A solution of CuSO4 is electrolysed for 10 min with a current of 1.5 A. What is the mass of copper deposited at the cathode (molar mass of Cu= 63 g) (1F = 96487c).

A graph is plotted between \(ln \space k\) and \(\frac{1}{T}\), what is the value of slope?

In the below given hypothetical equation
\(r = k[A]^x [B]^y\)
If the concentration of [B] is kept constant and concentration of [A] is increased to 3 times, the reaction rate increases 27 times, then the order of reaction with respect to A is: