MHT CET 2025 20th April Evening Shift

Identify the major product obtained when anisole reacts with bromine in acetic acid.

Which among the following compounds has lowest boiling point?

Which from following compounds has highest boiling point?

Identify the product ' B ' in following reaction.
Ethanal $\xrightarrow{\text { dil } \mathrm{NaOH}} A \xrightarrow[\mathrm{H}_2 \mathrm{O}]{\Delta} B$

Which among the following compounds forms pink colouration on addition of Schiff's reagent?

"No two electrons in an atom can have the identical set of four quantum numbers." The statement is known as

What are the positions of ' N ' atoms present in pyrimidine ring of nucleic acids?

Identify neutral amino acid from following list represented by three letter symbols.

Which among the following functional groups is reduced by diborane?

Select the incorrect statement about $\mathrm{N}_2$ molecule.

What is shape of $\mathrm{BrF}_5$ molecule?

What is order and molecularity of following reaction?
\(\mathrm{NO}_{2(\mathrm{~g})}+\mathrm{NO}_{2(\mathrm{~g})} \longrightarrow 2 \mathrm{NO}_{(\mathrm{g})}+\mathrm{O}_{2(\mathrm{~g})}\)

Half life of a first order reaction is 3 minute. What is the time required to reduce the concentration of reactant by $90 \%$ of its initial concentration?

If concentration of reactant ' $A$ ' is increased by 10 times, rate of reaction increases 100 times. What is order of reaction if rate law is $r=k[A]^r$ ?

Identify false statement regarding aspirin.

Which from following compounds is an example of secondary amine?

Which from following compounds contains complex cations and anions?

Which from following is a strong field ligand?

Which cation from following develops least magnetic moment?

Which from following lanthanoids exhibits +4 oxidation state in $\mathrm{F}^7$ configuration?

Which of the following change takes place at positive electrode during working of dry cell?

Assume the cell reaction,
\(\mathrm{A}_{(\mathrm{s})}+\mathrm{B}_{(\mathrm{aq})}^{+2} \longrightarrow \mathrm{~A}_{(\mathrm{aq})}^{+2}+\mathrm{B}_{(\mathrm{s})}\)
if $\Delta \mathrm{G}^{\circ}=-386 \mathrm{~kJ}$ at 298 K . What is $\mathr...

Which from following statement is correct regarding emf of cell for the cell reaction,
\(\mathrm{Cd}_{(\mathrm{s})}+\mathrm{Cu}_{(\mathrm{aq})}^{+2} \longrightarrow \mathrm{Cd}_{(\mathrm{aq})}^{+2}+\mathrm{Cu}_{(\mathrm{s})}\)
if concentr...

Which of the following is effectively used to remove E. coli bacteria from water?

Which from following is the most stable species?

Identify the substrate ' S ' in the following reaction,

The correct order of reactivity for reaction involving cleavage of C-X bond in following compounds is

Identify the name of reaction for aryl halide with alkyl halide and sodium metal in dry ether to give substituted aromatic compounds.

Propene on hydroboration followed by oxidation with alkaline peroxide forms.

Identify the correct decreasing order of boiling point for hydrides of halogens.

Which among the following salts turns red litmus blue in its aqueous solution?

4 gram of NaOH is added in water to form 500 mL solution at 298 K . What is pH of solution? (Molar mass of $\mathrm{NaOH}=40 \mathrm{~g} \mathrm{~mol}^{-1}$ )

The solubility of salt $\mathrm{BA}_2$ is $4 \times 10^{-4} \mathrm{~mol} \mathrm{dm}^{-3}$.
What is solubility product of the salt?

What it the IUPAC name of following compounds?

Calculate vapour pressure of pure volatile liquid $B$ at given temperature if mole faction of liquid $B$ and vapour pressure of pure volatile liquid $A$ are 0.4 and 400 mm Hg respectively.
$$ \left[\mathrm{P}_{\text {total }}=600 \mathrm{~m...

Find the expected value of $\Delta \mathrm{T}_{\mathrm{b}}$ for $1 \mathrm{~m} \mathrm{AlCl}{ }_3$ solution in water if solution of nonelectrolyte of same concentration has $\Delta \mathrm{T}_{\mathrm{b}}$ value ' $x$ ' K .

Calculate the molality of nonvolatile solution if solution freezes at $-0.95^{\circ} \mathrm{C}$
$\left[K_f\right.$ for water, $=1.86 \mathrm{~K} \mathrm{~mol}^{-1}$, freezing point of water $=0^{\circ} \mathrm{C}$ ]

Which from following polymers when blended with cotton develops terycot?

Identify the monomer used in preparation of polyacrylonitrile?

A compound contains atoms of $x, y$ and z elements. Oxidation numbers of $x, y$ and $z$ are +3 , +5 and -2 respectively. Identify the possible formula of this compound.

Which of the following compound is used for preparation of quicklime?

Calculate the number of unit cells in $1 \mathrm{~cm}^3$ volume of an element if unit cell edge length is $4.0 \times 10^{-8} \mathrm{~cm}$.

Which of the following dopants is used in germanium to form n-type semiconductor?

Calculate the volume occupied by a particle in bcc unit cell if the volume of unit cell is $8.2 \times 10^{-23} \mathrm{~cm}^3$.

Find out number of carbon atoms present in 0.35 mole of glucose.

A container consisting mixture of $28 \mathrm{~g} \mathrm{~N}_2, 8 \mathrm{~g} \mathrm{He}$ and 40 g Ne at $25^{\circ} \mathrm{C}$. If the total pressure exerted by the gaseous mixture is 20 bar , What is the partial pressure exerted by $\m...

Which from following gases is adsorbed to greater extent if adsorbent remains same at similar conditions of temperature and pressure?

Calculate work done if 1 mole of an ideal gas compressed isothermally and reversibly from 12 $\mathrm{dm}^3$ to $6 \mathrm{dm}^3$ at $300 \mathrm{~K} .\left[\mathrm{R}=8.314 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}\right]$

Calculate the standard enthalpy change of following reaction.
\(\mathrm{C}_2 \mathrm{H}_{4(\mathrm{~g})}+3 \mathrm{O}_{2(\mathrm{~g})} \longrightarrow 2 \mathrm{CO}_{2(\mathrm{~g})}+2 \mathrm{H}_2 \mathrm{O}_{(l)}\)
If $\Delta_{\mathrm{f}...

Identify from following physical transformations that exhibits decrease in entropy.