Chemistry - 4 — MH-CET Full Length Paper MCQs with Solutions

A compound forms a cubic close-packed (ccp) lattice of element $B$. Element $A$ occupies all the octahedral voids. The simplest formula of the compound is:

The determination of molar mass of biomacromolecules such as proteins and polymers is most accurately carried out using which colligative property measurement?

The degree of dissociation ($\alpha$) of a weak monobasic acid in a $0.1\text{ M}$ solution having dissociation constant $K_a = 1.0 \times 10^{-5}$ is:

The enthalpy of vaporization of liquid water at $373\text{ K}$ is $40.66\text{ kJ/mol}$. The entropy change ($\Delta S_{\text{vap}}$) for the vaporization of 1 mole of water at $373\text{ K}$ is:

For a zero-order reaction $A \to \text{Products}$, which of the following expressions correctly relates the half-life period ($t_{1/2}$) to the initial reactant concentration $[A]_0$?

In the Contact process for the industrial manufacture of sulfuric acid, the heterogeneous catalyst used for the oxidation of $\text{SO}_2$ to $\text{SO}_3$ is:

The correct decreasing order of acid strength among the oxoacids of chlorine is:

Which of the following properties is characteristic of interstitial compounds formed by transition metals?

The hexadentate chelating ligand ethylenediaminetetraacetate ($\text{EDTA}^{4-}$) coordinates to a central metal ion through:

The coordination complex $[\text{Pt}(\text{NH}_3)_2\text{Cl}_2]$ exhibits geometrical isomerism. The cis-isomer acts pharmacologically as an effective:

An alkyl chloride reacts with sodium iodide ($\text{NaI}$) in dry acetone to yield an alkyl iodide. This halogen exchange reaction is named:

When an unknown alcohol is treated with Lucas reagent (anhydrous $\text{ZnCl}_2 + \text{conc. HCl}$) at room temperature, turbidity appears immediately within a few seconds. The alcohol is:

In the commercial cumene process for the manufacture of phenol, cumene (isopropylbenzene) is aerially oxidized to an intermediate which upon acidic hydrolysis yields phenol and:

Benzene reacts with carbon monoxide and hydrogen chloride in the presence of anhydrous $\text{AlCl}_3$ and cuprous chloride ($\text{CuCl}$) to form benzaldehyde. This reaction is:

Heating an anhydrous sodium salt of a carboxylic acid with soda-lime ($\text{NaOH} + \text{CaO}$, $3:1$) leads to the elimination of carbon dioxide, forming an alkane with:

Which of the following substituted haloacetic acids exhibits the highest acidic strength?

Reaction of primary aliphatic amine with nitrous acid ($\text{NaNO}_2 + \text{HCl}$) at room temperature results in the quantitative evolution of which gas?

Treatment of aniline with benzoyl chloride in the presence of aqueous sodium hydroxide to form benzanilide is an example of:

Hydrolysis of sucrose with dilute acid changes the optical sign of rotation from dextrorotatory to laevorotatory. The equimolar resulting mixture of D-(+)-glucose and D-(-)-fructose is termed:

The dipolar ion structure of an amino acid containing both a protonated amino group and a deprotonated carboxylate group is known as a:

Buna-S is an elastomer synthesized by the emulsion copolymerization of 1,3-butadiene with:

Which of the following polymers is classified as a thermosetting plastic that undergoes irreversible cross-linking upon heating?

According to Green Chemistry principles, a chemical reaction displaying $100\%$ atom economy is exemplified by:

Single-walled carbon nanotubes (SWCNTs) can be visualized as seamless hollow cylinders rolled up from a single planar sheet of:

Reaction of an alkyl halide with silver fluoride ($\text{AgF}$) to yield an alkyl fluoride is known as:

Which functional group in carbohydrates is responsible for reducing Tollens' reagent and Fehling's solution?

In the synthesis of ammonia: $\text{N}_2(g) + 3\text{H}_2(g) \to 2\text{NH}_3(g)$, if $28\text{ g}$ of $\text{N}_2$ is reacted with $12\text{ g}$ of $\text{H}_2$, the mass of ammonia produced and the limiting reagent are:

Which of the following chemical processes represents a disproportionation redox reaction?

Plaster of Paris, widely used in orthopedic casts, is chemically represented by the formula:

According to the Hardy-Schulze rule, which of the following coagulating ions is most effective for the coagulation of a negatively charged arsenic sulfide sol ($\text{As}_2\text{S}_3$)?