Chemistry - 3 — MH-CET Full Length Paper MCQs with Solutions

In a body-centered cubic (BCC) unit cell of edge length $a$, the atomic radius $r$ of the constituent sphere is:

During the complete adiabatic and reversible expansion of an ideal gas, which of the following thermodynamic state functions remains strictly zero?

For a pseudo-first-order reaction, the acid-catalyzed hydrolysis of ethyl acetate: $\text{CH}_3\text{COOC}_2\text{H}_5 + \text{H}_2\text{O} \xrightarrow{\text{H}^+} \text{CH}_3\text{COOH} + \text{C}_2\text{H}_5\text{OH}$, the order with respect to water is experimentally found to be:

The basicity of orthophosphoric acid ($\text{H}_3\text{PO}_4$) and phosphorus acid ($\text{H}_3\text{PO}_3$) are respectively:

Which of the following transition metal ions in aqueous solution is colourless due to the absence of $d$-$d$ electron transitions?

The catalytic activity of transition elements and their compounds is primarily attributed to their:

The type of structural isomerism exhibited by the pair $[\text{Co}(\text{NH}_3)_5(\text{SO}_4)]\text{Br}$ and $[\text{Co}(\text{NH}_3)_5\text{Br}]\text{SO}_4$ is:

In the polarimeter test, an equimolar mixture of $(+)$ and $(-)$ enantiomers exhibiting zero optical rotation is known as a:

When isopropyl alcohol is passed over heated copper catalyst ($\text{Cu}$) at $573\text{ K}$, the product obtained is:

The reaction of sodium ethoxide with ethyl bromide to form diethyl ether is known as:

Oxidation of toluene with chromyl chloride ($\text{CrO}_2\text{Cl}_2$) in $\text{CS}_2$ followed by acidic hydrolysis gives benzaldehyde. This reaction is:

Reduction of methyl cyanide ($\text{CH}_3\text{CN}$) with stannous chloride ($\text{SnCl}_2$) and concentrated $\text{HCl}$ followed by steam distillation yields ethanal. This is:

Which of the following organic carbonyl compounds will give a positive silver mirror test with Tollens' reagent?

When calcium acetate is subjected to dry distillation, the principal organic product obtained is:

Reaction of an aliphatic aldehyde with hydrazine ($\text{NH}_2\text{NH}_2$) followed by heating with $\text{KOH}$ in ethylene glycol to produce an alkane is:

Gabriel phthalimide synthesis is exclusively employed for the laboratory preparation of:

When a primary aliphatic amine is heated with chloroform and alcoholic $\text{KOH}$, a foul-smelling substance is produced. This reaction is the:

Aniline undergoes bromination with bromine water ($\text{Br}_2/\text{H}_2\text{O}$) at room temperature to precipitate white crystals of:

The spontaneous gradual change in the specific optical rotation of an optically active sugar dissolved in water until equilibrium is reached is called:

Which of the following vitamins is water-soluble and excreted continuously in urine?

The building blocks of nucleic acids, nucleotides, are composed of:

Dacron (Terylene) is a synthetic polymer prepared by the condensation of ethylene glycol with:

During the vulcanization of natural rubber, raw rubber is heated with sulfur to introduce:

Neoprene, a synthetic rubber resistant to oils and chemicals, is a polymer of:

Which of the following acts as a chain growth (addition) homopolymer?

In Green Chemistry, environmental impact factor ($E$-factor) is mathematically defined as:

The diameter range of particles classified within the nanoscale in nanomaterial chemistry is:

The molarity of a solution prepared by dissolving $4.0\text{ g}$ of $\text{NaOH}$ in water to make exactly $250\text{ mL}$ of solution is:

The number of radial nodes present in a $3p$ atomic orbital is equal to ($n - l - 1$):

According to Molecular Orbital Theory (MOT), the bond order of diatomic oxygen molecule ($\text{O}_2$) is: