MHT CET 2025 25th April Morning Shift

Identify the medium required for formation of p-Hydroxyazobenzene from benzene diazonium chloride and phenol.

Which of the following compounds is formed when ether is dissolved in cold concentrated sulphuric acid?

Which of the following forms 2-Methylbut-2-ene on heating with concentrated sulphuric acid?

Identify the product ' B ' in the following reaction.
\(\text { Sodium phenoxide } \xrightarrow[6 \,atm]{\mathrm{CO}_2, 398 \mathrm{~K}} \mathrm{~A} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}} \mathrm{B}\)

Identify the name of reaction if carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with hydrazine followed by heating with sodium hydroxide in ethylene glycol.

Which from following d-orbitals has different shape as compared with others?

Which from following is NOT a globular protein?

Identify glycosidic linkage in maltose.

Identify source of Eugenol from following.

Which among the following is NOT dicarboxylic acid?

What is the number of electrons in bonding molecular orbitals and antibonding molecular orbitals respectively in $\mathrm{F}_2$ molecule?

For a reaction $\mathrm{A} \rightarrow$ Product, rate constant is $6.93 \times 10^{-3}$ hour ${ }^{-1}$. What is order of reaction?

If $r=k[A]^2[B]$ is rate law equation for reaction $\mathrm{A}+\mathrm{B} \rightarrow \mathrm{C}$, at $[\mathrm{A}]=1 \mathrm{M}$ and $[\mathrm{B}]=0.2 \mathrm{M}$, Calculate rate of reaction if rate constant is $6.25 \mathrm{M}^{-2} \mathr...

The rate constant is doubled when temperature increases from $27^{\circ} \mathrm{C}$ to $37^{\circ} \mathrm{C}$. What is activation energy in kJ ?

Which from following amines has lowest $\mathrm{pK}_b$ value?

Identify anionic ligand from following.

What is the number of unpaired electrons in $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ complex?

Which lanthanoid from following has highest ionisation $\left(\mathrm{IE}_1\right)$ enthalpy?

If $\mathrm{E}^{\circ}\left(\mathrm{Zn}_{(\mathrm{aq})}^{+2} \mid \mathrm{Zn}_{(\mathrm{s})}\right)=-0.76 \mathrm{~V}$.
Calculate potential for $\mathrm{Zn}_{(\mathrm{s})} \rightarrow \mathrm{Zn}^{+2}(0.01 \mathrm{M})+2 \mathrm{e}^{-}$at 29...

For the cell involving following reaction.
\(\mathrm{Zn}_{(\mathrm{s})}+\mathrm{Ni}_{(\mathrm{aq})}^{+2} \longrightarrow \mathrm{Zn}_{(\mathrm{aq})}^{+2}+\mathrm{Ni}_{(\mathrm{s})}, \mathrm{E}_{\mathrm{cell}}^*=0.5 \mathrm{~V} .\)
What is...

$$ \begin{aligned} &\text { Identify ' } \mathrm{A} \text { ' in the following reaction. }\\ &\underset{\text { (excess) }}{\mathrm{A}}+\underset{\text { (excess) }}{\operatorname{Acetyl} \text { chloride }} \xrightarrow[\mathrm{AlCl}_3]{\t...

Which of the following is likely to undergo racemization during alkaline hydrolysis by $\mathrm{S}_{\mathrm{N}} 1$ mechanism?

Which of the following alkenes, on oxidation by $\mathrm{KMnO}_4$ in dil. $\mathrm{H}_2 \mathrm{SO}_4$ forms adipic acid?

Which of the following is NOT obtained when mixture of methyl bromide and ethyl bromide is treated with sodium metal in presence of dry ether?

Which of the following is used in preparation of hydrogen peroxide by Merck process?

Calculate the value of dissociation constant of weak acid, which dissociates to $0.01 \%$ in its 0.1 M solution?

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

The solubility product of the sparingly soluble salt $\mathrm{AB}_2$ is $2.56 \times 10^{-10}$ at 298 K . Calculate its solubility in $\mathrm{mol} \mathrm{dm}^{-3}$ at the same temperature?

\(\text { What is IUPAC name of following compound? }\)

Which from following compounds does NOT contain oxygen as heteroatom?

A solution of 5 g nonvolatile solute in 50 g water decreases its freezing point by 0.2 K . Calculate the molar mass of solute if $\mathrm{K}_{\mathrm{f}}$ of water is $1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$.

Calculate the molality of the solution containing nonvolatile solute if boiling point elevation of solution is 0.39 K .
[ $\mathrm{K}_{\mathrm{b}}$ of water $=0.52 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$ ]

Which from following pairs of solutions in water exhibits same osmotic pressure at same temperature?
[molar mass of urea $=60 \mathrm{~g} \mathrm{~mol}^{-1}$, sucrose $=342 \mathrm{~g} \mathrm{~mol}^{-1}$ ]

Which pair of elements from following is used to make alloy for trophies?

Which of the following statements is NOT correct about ozone?

Which of the following is existing oxoacid of fluorine?

Identify polyamide polymer from following.

Which from following polymers is used to obtain rubber belts?

Which of the following species acts as an weakest reducing agent?

What is the oxidation number of phosphorus in calcium phosphate?

Which of the following dopant is used in silicon to produce p-type semiconductor?

Calculate the number of particles present per unit cell if mass of a particle is $8.0 \times 10^{-23} \mathrm{~g} \left[\rho \times a^3=3.2 \times 10^{-22} \mathrm{~g}\right]$

Calculate the edge length of unit cell if a metal with atomic radius 128 pm forming fcc unit cell structure.

Find out total number of electrons present in 1.6 g methane?

Calculate percentage atom economy when 46 g ethanol is obtained from 64.5 g chloroethane and $56 \mathrm{~g} \mathrm{KOH}_{(\mathrm{aq})}$.

The vapour density of a certain gas is 16 . What is the volume occupied by 8 g of gas at STP assuming ideal behaviour?

Find the temperature from following graph so that highest amount of a gas is adsorbed

Calculate $\Delta \mathrm{H}^{\circ}$ for a reaction if $\Delta \mathrm{S}^{\circ}=120 \mathrm{JK}^{-1}$ and $\Delta \mathrm{G}^{\circ}=28000 \mathrm{~J}$

Which from following transformations is endothermic in nature?

Calculate the work done in joule if 1 mole of ideal gas is compressed from $25 \mathrm{dm}^3$ to $13 \mathrm{dm}^3$ at constant external pressure 4 bar.