MHT CET 2025 22nd April Evening Shift

The common name of Benzene-1,4-diol is

Which carbon atoms of $\alpha-D$ glucose and $\beta-D$ fructose respectively forms glycosidic linkage in sucrose?

Which amino acid from following contains $-\mathrm{CH}_3$ as side chain?

In a reaction,
\(\left(\mathrm{CH}_3\right)_2 \mathrm{CHMgBr}+\mathrm{CO}_2 \xrightarrow[\text { ether }]{\text { dry }} \mathrm{A} \xrightarrow[\text { dilHCl }]{\mathrm{H} . \mathrm{OH}} \mathrm{~B} \text {. }\)
Find the product ' B ' o...

Identify the reagent used in the following reaction.
Benzoic acid $\xrightarrow{\text { Reagent }}$ Benzoyl chloride + Phosphorus oxychloride + Hydrogen chloride

Which of the following molecules contains maximum number of electrons in antibonding molecular orbitals?

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 the correct relationship ...

For a reaction,
$\mathrm{A}+\mathrm{B} \longrightarrow$ product, it is found that rate law is $\mathrm{r}=\mathrm{k}[\mathrm{A}]^{1.5}[\mathrm{~B}]^{2.5}$. What is the order of reaction?

The half life values for two different first order reaction A and B are 75 minute and 2.5 hour respectively. What is the $\frac{r_B}{r_A}$ ratio of rate constants?

Which from following medicinal properties is exhibited by curcumin?

Identify the amine having highest $\mathrm{pK}_{\mathrm{b}}$ value.

Identify product ' $B$ ' in the following sequence of reaction.
\(\text { Aniline } \xrightarrow[273 \mathrm{~K}]{\mathrm{NaNO}_2+\mathrm{HCl}} \mathrm{~A} \xrightarrow[\Delta]{\mathrm{H}_2 \mathrm{O}} \mathrm{~B}+\mathrm{N}_2 \uparrow\)

Identify the substrate ' $A$ ' in the following conversion.
\(\text { A } \xrightarrow[\mathrm{H}_3 \mathrm{O}^{+}]{\mathrm{AlH}_4\left(-\mathrm{Bu}_2\right)} \text { Pent-3-enal }\)

Which from following compounds can be obtained by azo coupling reaction.

What is the coordination number of central metal ion if it forms octahedral complex?

Identify neutral ligand from following?

Identify the element having highest ionisation enthalpy ( $I E_1$ ) from following.

Which from following is used as catalyst in Fisher Tropsch process for the synthesis of gasoline?

$$ \begin{aligned} & \text { If } \mathrm{E}^{\circ}\left(\mathrm{Fe}_{(\mathrm{aq})}^{+2} \mid \mathrm{Fe}_{(\mathrm{s})}\right)=-0.44 \mathrm{~V} \text { and } \\ & \mathrm{E}^{\circ}\left(\mathrm{Sn}_{(\mathrm{aq})}^{+2} \mid \mathrm{Sn}...

If $\mathrm{E}^o{}\left(\mathrm{AI}_{(\mathrm{eq})}^{+3} \mid \mathrm{AI}_{(\mathrm{s})}\right)=-1.66 \mathrm{~V}$. What is potential of $\mathrm{Al}_{(\mathrm{s})} \longrightarrow \mathrm{Al}^{+3}(0 \cdot 1 \mathrm{M})+3 \mathrm{e}^{-}$at ...

Which of the following is effectively used instead of DDT?

Which of the following has highest reactivity towards nucleophilic substitution reaction involving cleavage of $\mathrm{C}-\mathrm{Cl}$ bond?

Which among the following statements is true for haloalkyne?

Which among the following is NOT Allylic halide?

What is the difference in molar masses of Undecane and Decane?

A weak monoacidic base dissociates to $1.5 \%$ in 0.001 M solution at 298 K . Calculate the dissociation constant of weak base.

The solubility product of NiS is $4.9 \times 10^{-5}$ at 298 K . Calculate its solubility in $\mathrm{mol} \mathrm{dm}^{-3}$ at the same temperature?

Identify conjugate acid-base pair from following equilibrium reaction.
\(\mathrm{HSO}_{3(\mathrm{aq})}^{-}+\mathrm{H}_3 \mathrm{O}_{(\mathrm{aq})}^{+} \rightleftharpoons \mathrm{H}_2 \mathrm{SO}_3+\mathrm{H}_2 \mathrm{O}\)

Which of the following alkenes does NOT exhibit cis-trans isomerism?

Which of the following is correct IUPAC name of catechol?

Calculate the relative lowering of vapour pressure of solution containing 3 g urea in 50 g water. [molar mass of urea $=60 \mathrm{~g} \mathrm{~mol}^{-1}$ ]

Which from following solutions exhibits minimum boiling point elevation under identical conditions? (Assume complete dissociation)

When 0.01 mole of nonvolatile solute is dissolved in certain solvent calculate the mass of solvent in kg if $\Delta \mathrm{T}_{\mathrm{b}}=0.6 \mathrm{~K}$ and $\mathrm{K}_{\mathrm{b}}$ for solvent= $2 \mathrm{~K} \mathrm{~kg} \mathrm{~mol...

Which of the following halogen forms maximum number of oxoacids?

Which of the following is the molecular formula of halous acid of chlorine?

Which is the correct increasing order of atomic radii of $\mathrm{Na}, \mathrm{K}, \mathrm{Mg}, \mathrm{Rb}$ ?

Identify isoelectronic pair from following.

Identify a monomer used in preparation of neoprene.

Which from following polymers contains $-\mathrm{CO}-\mathrm{NH}-$ linkage?

A compound of Xe and F is found to have atomic ratio $\mathrm{Xe}: \mathrm{F}$ as $0.4: 2.4$, Find the oxidation number of Xe ?

Which of the following species acts as strongest oxidising agent?

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

Identify the type of defect in brass alloy.

Calculate the number of atoms present in 1 g of an element if it forms fcc unit cell structure. $\left[\rho \times \mathrm{a}^3=6.8 \times 10^{-22} \mathrm{~g}\right]$

A gaseous mixture of $\mathrm{O}_2$ and $\mathrm{CH}_4$ are in the ratio $1: 4$ by mass. Find the ratio of their molecules.

Find the number of water molecules in 1 mL of water vapours at STP?

Which of the following ion exihibits maximum power of coagulation for positively charged Sol ?

Identify from following reactions that exhibits negative work done.

Calculate the enthalpy of solution of potassium chloride if its $\Delta_{\mathrm{L}} \mathrm{H}=700 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $\Delta_{\text {hyd }} H=-680 \mathrm{~kJ} \mathrm{~mol}^{-1}$

Calculate the change in internal energy of the system if 20 kJ work is done on the system and it releases 10 kJ heat in a particular reaction.