MHT CET 2025 22nd April Morning Shift

Which among the following has lowest boiling point?

Phenol on reaction with aqueous solution of bromine gives

Which of the following is a bond line structure of glycerol?

Which from following is NOT hydrogen like species?

Identify the source of gallic acid from following

Which from following nitrogen bases either of purine or pyrimidine does NOT contain $-\mathrm{NH}_2$ group attached with its ring?

Which from following amino acids contains heterocyclic ring at a side chain (R) group?

Identify the product ' B ' in following reaction.
Dry ice $\xrightarrow[\text { dry ether }]{\mathrm{CH}_3 \mathrm{MgBr}} \mathrm{A} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}} \mathrm{B}$

Identify the correct statement regarding geometry and lone pair of electrons present in $\mathrm{CH}_4$ and $\mathrm{SiCl}_4$.

Nitric oxide reacts with $\mathrm{H}_2$ according to reaction. $2 \mathrm{NO}_{(\mathrm{g})}+2 \mathrm{H}_{2(\mathrm{~g})} \rightarrow \mathrm{N}_{2(\mathrm{~g})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}$, identify correct relation for disa...

Half life of a first order reaction is 20 minutes. The time taken to reduce the initial concentration of reactant to $(1 / 10)^{\text {th }}$ is _________

Rate law for the reaction $\mathrm{aA}+\mathrm{bB} \rightarrow \mathrm{cC}+\mathrm{dD}$ is $r=k[A][B]$, the rate of reaction doubles if

What is formula of mustard gas?

Identify strongest base from following in aqueous medium.

Which from following reactión results in azo coupling?

Identify neutral ligand from following.

What type of hybridisation is present in square planar geometry of complex $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$

Identify a weakest base from following

If standard reduction potential $\left(E^{\circ}\right)$ of $\left(\mathrm{Ni}_{(\mathrm{aq})}^{+2} \mid \mathrm{Ni}_{(\mathrm{s})}\right)$ and $\left(\mathrm{Al}_{(\mathrm{aq})}^{+3} \mid \mathrm{Al}_{(\mathrm{s})}\right)$ are -0.25 V and ...

Which of the following reactions exhibit minimum standard reduction potential?

If $\mathrm{E}^{\cdot}\left(\mathrm{Mg}_{(\mathrm{aq})}^{+2} \mid \mathrm{Mg}_{(\mathrm{s})}\right)=-2.37 \mathrm{~V}$. What is potential for $\mathrm{Mg}_{(\mathrm{s})} \longrightarrow \mathrm{Mg}^{+2}(0.01 \mathrm{M})+2 \mathrm{e}^{-}$at ...

Which of the following is used as Green solvent?

Which from following is a non benzenoid aromatic compound?

Which of the following has highest reactivity for $\mathrm{S}_{\mathrm{N}} 1$ reactions?

Which of the following is NOT obtained when a mixture of chloroethane and 1-chloropropane is treated with sodium metal in dry ether?

The reaction of bromobenzene with bromomethane and sodium metal in dry ether to give toluene is

Hydroboration-oxidation of but-1-ene forms

Calculate the value of dissociation constant of weak monoacidic base if it dissociates to $2 \%$ in 0.1 M solution?

The solubility of sparingly soluble salt $\mathrm{AX}_2$ is $1 \times 10^{-4} \mathrm{~mol} \mathrm{dm}^{-3}$ at 298 K . Calculate its solubility product.

Identify the conjugate acid-base pair respectively from following equilibrium reaction.
$$ \mathrm{HPO}_{4(\mathrm{aq})}^{2-}+\mathrm{H}_2 \mathrm{O}_{(\ell)} \rightleftharpoons \mathrm{PO}_{4(\mathrm{aq})}^{3-}+\mathrm{H}_3 \mathrm{O}_{(\m...

What is the number of structural isomers possible for alkene with molecular formula $\mathrm{C}_5 \mathrm{H}_{10}$ ?

What is IUPAC name of the following compound?

Calculate the number of moles of nonvolatile solute dissolved in 0.3 kg solvent if $\Delta \mathrm{T}_{\mathrm{b}}=0.3 \mathrm{~K}$ and $\mathrm{K}_{\mathrm{b}}$ for solvent is $1.8 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$.

Which from following mixtures exhibits positive deviation from Raoult's law?

Calculate the osmotic pressure of 0.5 M aqueous solution of nonvolatile solute at 300 K .
\(\left[\mathrm{R}=0.0821 \mathrm{~atm} \mathrm{dm} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right]\)

What are the different types of bonds formed by sulphur with oxygen in thiosulfuric acid?

Which from following polymers is used to prepare shoe soles?

Identify the monomer of natural rubber.

What is the difference in oxidation number of Mn in $\mathrm{KMnO}_4$ and $\mathrm{MnO}_2$ ?

Which of the following is not an alkali metal?

Calculate the number of unit cell in $1 \mathrm{~cm}^3$ volume of metal if volume of unit cell is $3.448 \times 10^{-23} \mathrm{~cm}^3$

Which from following dopants is used in germanium to produce p-type semiconductor?

Calculate the volume occupied by all particles in fcc unit cell if volume of unit cell is $1.6 \times 10^{-23} \mathrm{~cm}^3$.

Calculate the number of $\mathrm{Cl}^{-}$ions in 222 g unhydrous calcium chloride?
(At. mass $\mathrm{Ca}=40, \mathrm{Cl}=35.5$ )

What is vapour density of $\mathrm{O}_2$ gas?

Identify the catalyst used in following reaction at $500^{\circ} \mathrm{C}$ ?
\(\mathrm{CO}+\mathrm{H}_2 \mathrm{O} \rightleftharpoons \mathrm{CO}_2+\mathrm{H}_2\)

Which from following process does NOT results in coagulation?

Calculate the work done in joule if 2 moles of an ideal gas expand isothermally from $15.5 \mathrm{dm}^3$ to $20 \mathrm{dm}^3$ at constant pressure 1 atm .

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

1.8 g water is vapourised by supplying 4 kJ heat at $100^{\circ} \mathrm{C}$. What is the heat of vapourisation of water at same temperature?