List of top Chemistry Questions asked in CUET (UG)

The compound which is most basic in gaseous phase is:
Which of the following compounds gives a positive Hinsberg test and forms a soluble sulphonamide?
Among the following, the compound having the lowest value of \(pK_a\) is:
Which of the following compounds has the highest boiling point?
Lucas reagent gives immediate turbidity with:
Among the following amines, the strongest base in aqueous solution is: \[ \text{NH}_3,\; \text{CH}_3\text{NH}_2,\; (\text{CH}_3)_2\text{NH},\; (\text{CH}_3)_3\text{N} \]
Arrange the following compounds in increasing order of acidic strength: \[ \text{Phenol, Water, Propan-1-ol, Propan-2-ol} \]
Which statement about physical chemistry numericals in CUET is generally correct?
The rate of a reaction doubles when concentration of reactant is doubled. The order of reaction is:
The shape of \( [Ni(CN)_4]^{2- \) is:}
Which of the following complexes is diamagnetic?
For a first-order reaction, the half-life is given by \( t_{1/2} = \dfrac{0.693}{k} \). Which conclusion is correct?

Match the following reaction orders with their units of rate constant:

Reaction OrderUnits of k
(A) Zero order
(B) First order
(C) Second order		(I) L mol-1s-1
(II) mol L-1s-1
(III) s-1

Choose the correct option:

Aldol condensation is shown by compounds containing:
Semicarbazide is commonly used to identify:
The magnetic moment of a complex having 3 unpaired electrons is closest to: \[ \mu = \sqrt{n(n+2)}\ \text{BM} \]
In the actinoid series, which oxidation state is the most stable for most actinoids?
The reagent used in Sandmeyer reaction for converting benzene diazonium chloride into chlorobenzene is:
Which of the following complexes shows the highest crystal field stabilization energy (CFSE) in octahedral geometry?
Which of the following reagents converts aldehydes into primary alcohols?
Which of the following complexes is expected to be diamagnetic?
The number of stereoisomers possible for the compound \( \text{CH}_3\text{CHBrCHBrCH}_3 \) is:
A compound shows optical isomerism and has molecular formula \( \text{C}_4\text{H}_{10}\text{O} \). Which of the following compounds can exhibit chirality?
For a first-order reaction, the unit of rate constant is:
The magnetic moment of a transition metal ion is found to be \( 5.92 \, \text{BM} \). The number of unpaired electrons present in the ion is: