MHT CET 2025 26th April Evening Shift

Which from following compounds has lowest boiling point?

Which among the following has highest boiling point?

The common name of Benzene-1,2-diol is

Identify the product ' $A$ ' in the following reaction,
Anisole $\xrightarrow[398 \mathrm{~K}]{\mathrm{HI}} \mathrm{A}$ + Iodomethane

Identify the product formed when Hex-3-enenitrile is reduced with diisobutylaluminium hydride followed by acid hydrolysis?

"Pairing of electrons in the orbitals belonging to the same subshell does not occur unless each orbital belonging to that subshell has got one electron each." This statement is known as

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

Identify the carbon atom numbered from $\mathrm{C}_1^{\prime}$ to $\mathrm{C}_5$ of monosaccharide unit of DNA nucleotide that lacks oxygen atom from -OH group.

Identify ' $B$ ' in the following sequence of reactions.
Acetic acid $\xrightarrow[\Delta]{\text { Thionyl chloride }} \mathrm{A} \xrightarrow{\text { Ammonia }} \mathrm{B}$

Which of the following is correct decreasing order of bond length regarding $\mathrm{N}_2, \mathrm{O}_2$ and $\mathrm{Cl}_2$ ?

Which of the following xenon compound has chlorine pentafluoride like structure?

What is the average rate of reaction when change in concentration of product is 0.05 M in 20 seconds?

Identify role of glycerol in following reaction.
\(2 \mathrm{H}_2 \mathrm{O}_{2(\ell)} \xrightarrow{\text { glycerol }} 2 \mathrm{H}_2 \mathrm{O}_{(\ell)}+\mathrm{O}_{2(g)}\)

A complex reaction takes place in following steps.
$$ \begin{aligned} & \mathrm{NO}_2 \mathrm{Cl}_{(\mathrm{g})} \longrightarrow \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{Cl}_{(\mathrm{g})} \text { (slow) } \\ & \mathrm{NO}_2 \mathrm{Cl}_{(\math...

The slope of a graph $\log [A]_1$ versus ' $t$ ' for first order reaction is $-2.5 \times 10^{-3} \mathrm{~s}^{-1}$. Find rate constant of the reaction?

What is the natural source of salicylic acid?

Identify tertiary amine from following.

Identify neutral complex from following.

Identify weak field ligand from following.

What is the number of unpaired electrons in f orbitals of lutetium in its +3 oxidation state?

What is the value of spin only magnetic moment for $\mathrm{Cu}^{2+}$ in BM?

Which of the following net cell reaction takes place in a galvanic cell containing copper electrode and standard hydrogen electrode?
$$ \mathrm{E}^{o}\left(\mathrm{Cu}_{(\mathrm{aq})}^{+2} \mid \mathrm{Cu}_{(\mathrm{s})}\right)=+0.34 \mathr...

What is reduction potential of hydrogen gas electrode when pure hydrogen gas is at I atmospheric pressure and platinum electrode is in contact with HCl solution of pH 1 at 298 K ?

What happens to the emf for the cell, $\mathrm{Zn}_{(\mathrm{s})}\left|\mathrm{Zn}_{(1 \mathrm{M})}^{+2} \| \mathrm{Ag}^{+1}(1 \mathrm{M})\right| \mathrm{Ag}_{(\mathrm{s})}^{+}$if concentration of $\mathrm{Ag}^{+1}$ decreases to 0.1 M ?

Identify least stable species from following.

Which from following is the most commonly used refrigerant Freon-12?

Identify ' $A$ ' in the following reaction.
$$ \begin{aligned} &\mathrm{A}+\text { chloromethane } \xrightarrow[\mathrm{AlCl}_3]{\text { Anhydrous }} \text { 2-chlorotoluene }+4 \text {-chlorotoluene } \end{aligned} $$

Which of the following is a Fittig reaction?

Identify the product formed in the following reaction.
\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{MgBr} \xrightarrow[\text { ii) dil. HCl }]{\text { i) Dry ice/ dry ether }} \text { Product }\)

What is the product obtained when alkene is reacted with cold and dilute alkaline potassium permanganate?

What is pH of weak dibasic acid, that is $2 \%$ dissociated in its M/100 solution at 298 K ?

The solubility product of salt $\mathrm{B}_2 \mathrm{~A}$ is $3.2 \times 10^{-11}$ at 298 K . What is solubility of the salt at same temperature?

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

Calculate the mole fraction of pure liquid $B$ in solution if total vapour pressure of solution, vapour pressure of pure liquid A and vapour pressure of pure liquid B are 500 mm Hg , 400 mm Hg and 575 mm Hg respectively at given temperature...

Calculate cryoscopic constant of solvent if depression in freezing point of 0.18 m solution of nonvolatile solute is 0.2 K

Which of the following aqueous solutions having same molality exhibits maximum boiling point elevation? (Assume complete dissociation)

What is oxidation state of xenon in xenonmonooxytetrafluoride?

Which of the following elements has highest electronegativity?

Which from following polymers is used to obtain surgical sutures?

Identify the monomers used in preparation of dacron.

What is the oxidation number of carbon in methanal?

Calculate the number of unit cells in $1 \mathrm{~cm}^3$ of an element if unit cell edge length is $2.0 \times 10^{-8} \mathrm{~cm}$.

Calculate the radius of an atom of an element in pm if it forms bcc unit cell structure having edge length $4.3 \times 10^{-8} \mathrm{~cm}$.

The attractive interactions between cations and mobile electrons in metallic solid is called

Calculate number of molecules present in 5.4 g of urea (Molar mass of urea $=60 \mathrm{~g} \mathrm{~mol}^{-1}$ )

A container consists mixture of four gases as $5 \mathrm{~g} \mathrm{H}_2, 8 \mathrm{~g} \mathrm{He}, 50 \mathrm{~g} \mathrm{CO}_2$ and 20 g Ne at a certain temperature. Which of the following gases exerts minimum partial pressure?

Which instrument is used for determination of particle size?

Calculate the standard enthalpy change of following reaction.
$$ \begin{aligned} & \mathrm{CH}_{4(\mathrm{~s})}+2 \mathrm{O}_{2(\mathrm{~g})} \rightarrow \mathrm{CO}_{2(\mathrm{~g})}+2 \mathrm{H}_2 \mathrm{O}_{(\ell)} \\ & \text { if } \Del...

Calculate the work done if 1 mole of certain gas compressed isothermally and reversibly at 300 K from initial pressure $x$ bar to final pressure $2 x$ bar $\left[\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right]$

Identify from following the correct set of thermodynamic conditions for the reaction to be spontaneous at all temperature.