List of top Chemistry Questions asked in CUET (UG)

Identify the product C in the series.
C$_6$H$_5$NO$_2 \xrightarrow{\text{Fe/HCl}} A \xrightarrow{\text{NaNO}_2\text{+HCl, } 273\text{ K}} B \xrightarrow{\text{H}_2\text{O, } 283\text{ K}} C$

The rate of the reaction, 2NO + Cl$_2$ $\rightarrow$ 2NOCl is given by the rate equation, rate = k[NO]$^2$[Cl$_2$]. The value of the rate constant can be increased by

A solution of copper sulphate cannot be stored in a zinc vessel because

When blood cells are placed in 1% (w/v) NaCl aqueous solution:

The hybridization and geometry of $([\text{Ni}(\text{CN})_4]^{2-})$ are respectively:

Which of the following belongs to the d-block elements?

In the periodic table, actinoids belong to:

Cisplatin is used in:

Lanthanoids are known for:

Which of the following is an application of coordination compounds?

Which of the following compounds will show maximum acidic strength?

Arrange the following in increasing order of basic strength:

Identify the correct IUPAC name of the compound: $\text{CH}_3\text{–CH}_2\text{–CHO}$

Which reagent converts an aldehyde into a carboxylic acid?

Which of the following compounds shows acidic character?

Match the complexes with their magnetic nature:

According to the structural constraints of Valence Bond Theory (VBT), which of the following hybridization geometries and magnetic configurations accurately describes the low-spin coordination complex ion \( [\text{Fe}(\text{CN})_6]^{4- \)? (Atomic Number of \( \text{Fe} = 26 \))}

Deficiency of which of the following essential vitamins in the human diet causes a reduction in intestinal calcium absorption, leading to the bone-softening childhood skeletal deformity known as Rickets?

Benzene reacts with a mixture of carbon monoxide (\( \text{CO} \)) and hydrogen chloride (\( \text{HCl} \)) gas in the presence of an anhydrous aluminium chloride (\( \text{AlCl}_3 \)) catalyst to yield Benzaldehyde. This organic transformation is officially known as the:

An organic primary amide is treated with bromine (\( \text{Br}_2 \)) and an aqueous solution of sodium hydroxide (\( \text{NaOH} \)) to yield a primary amine. Which of the following statements correctly describes this transformation (Hofmann Bromamide Degradation)?

Which of the following coordination complex compounds is officially classified as a 'Heteroleptic Complex'?

Which of the following oxidation state configurations represents the most common, energetically stable, and dominant oxidation state exhibited by nearly all the Lanthanoid elements across the f-block series?

What are the exact constituent monosaccharide units and the specific structural glycosidic linkage present inside a standard molecule of Lactose (Milk Sugar)?

When an aqueous solution of an electrolyte is progressively diluted by adding more solvent water, how do its Specific Conductivity (\( \kappa \)) and Molar Conductivity (\( \Lambda_m \)) respond?

Aldehydes and ketones react with semicarbazide (\( \text{NH}_2\text{NHCONH}_2 \)) in a weakly acidic medium to form crystalline semicarbazone derivatives. Which of the three nitrogen atoms in a semicarbazide molecule acts as the primary nucleophilic center during this reaction?