MHT CET 2025 19th April Morning Shift

Which of the following is the structure of an alcohol with molecular formula $\mathrm{C}_5 \mathrm{H}_{12} \mathrm{O}$ ?

Which from following is a correct decreasing order of water solubilities of organic compounds?

Which of the following is primary allylic alcohol?

Identify the compound formed by action of chromyl chloride on toluene in presence of $\mathrm{CS}_2$ and hydrolysed further?

Identify the reagent $R$ used in following reaction.
Ketone \(\buildrel R \over \longrightarrow\) semi carbazone

Identify the product of following reaction.
Formaldehyde + Benzaldehyde \(\xrightarrow[\mathrm{H}_3 \mathrm{O}^{+}]{\text {conc. } \mathrm{NOH}} \text { product }\)

Calculate the longest wavelength in hydrogen emission spectrum of Lyman series.
\(\left(\mathrm{R}_{\mathrm{H}}=109677 \mathrm{~cm}^{-1}\right)\)

Identify the pair of carbohydrates containing galactose as one of constituent in both of them.

Identify a side chain $(\mathrm{R})$ group present in serine, an amino acid.

What is the number of moles of water molecules required for complete hydrolysis of $n$ mole triglyceride?

Which of the following compounds has maximum covalent character?

In a first order reaction concentration of reactant decreases from 20 milli $\mathrm{mol} \mathrm{dm}^{-3}$ to 8 milli $\mathrm{mol} \mathrm{dm}^{-}$ in 40 minutes, find rate constant of reaction?

Which from following is correct regarding $t_{1 / 2}$ of reaction if we double the initial concentration of a reactant in first order reaction?

For the reaction, $\mathrm{NO}_{2(\mathrm{~g})}+\mathrm{CO}_{(\mathrm{g})} \longrightarrow \mathrm{NO}_{(\mathrm{g})}+\mathrm{CO}_{2(\mathrm{~g})}$, rate of formation of $\mathrm{NO}_{(\mathrm{g})}$ is $\mathrm{Y} \mathrm{mol} \mathrm{dm} \...

Which from following compounds has lowest $\mathrm{pK}_{\mathrm{b}}$ value?

Which from following complexes is an example of $\mathrm{MA}_2 \mathrm{BC}$ type of distereoisomers?

Which from following coordinate complexes contains the ligand 'en'?

Which from following cations develops lowest value of spin only magnetic moment?

Which from following elements is NOT regarded as transition element?

 For the cell reaction,
\(\mathrm{Zn}_{(\mathrm{s})}+2 \mathrm{Ag}_{(\mathrm{aq})}^{+} \longrightarrow \mathrm{Zn}_{(\mathrm{aq})}^{+2}+2 \mathrm{Ag}_{(\mathrm{s})}\)
Cell potential is less than $\mathrm{E}_{\text {cell }}^{\circ}$ by 0.059...

How long should aqueous NaCl be electrolysed by passing 100 ampere current, so that 0.5 mol chlorine is released at anode?

Which from following is the correct relationship between molar conductivity $(\Lambda)$, conductivity $(\mathrm{k})$ and molarity (M) of solution for electrolyte?

Which of the following alkenes is most easily formed by dehydrohalogenation of alkyl halides?

Identify the product formed from chlorobenzene on heating with conc. $\mathrm{HNO}_3$ in presence of conc. $\mathrm{H}_2 \mathrm{SO}_4$.

Which among the following is benzylic halide?

Identify the product ' B ' in the following reaction sequence.
\(\text { Alkyl halide } \xrightarrow[\text { Dry ether }]{\mathrm{Mg}} \mathrm{~A} \xrightarrow{\mathrm{NH}_3} \mathrm{~B}\)

Which of the following is one of the product of ozonolysis?

The pH of a sample of vinegar is 3.76. Calculate the concentration of hydrogen ion in it in $\mathrm{mol} \mathrm{dm}^{-3}$ ?

Which among the following salts is NOT hydrolysed in water?

The solubility product of a sparingly soluble salt AX is $4.9 \times 10^{-13}$. What is its solubility in $\mathrm{mol} \mathrm{dm}^{-3}$ ?

Select the correct IUPAC name of pyrogallol.

Which from following mixtures obeys Raoult's law?

Calculate the percent dissociation of 0.02 m solution if its freezing point depression is 0.046 K .
$\left[\mathrm{K}_{\mathrm{f}}\right.$ for water $\left.=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1} ; \mathrm{n}=2\right]$

Find molar mass of nonvolatile solute when 20 g of it dissolved in 200 g water at 300 K . [Relative lowering of vapour pressure $=0.02$ ]

Identify the correct order of thermal stability of hydrides of 16 group elements from the following.

Which from following polymers is obtained by addition polymerisation method?.

Which from following polymers needs peroxide as initiator for preparation?

What are the respective oxidation states of sulphur atoms numbered 1 to 4 in tetrathionate ion shown below?

What are the products formed when $\mathrm{Li}_2 \mathrm{CO}_3$ undergoes decomposition?

Calculate the volume of unit cell having atomic radius 141.4 pm forming fcc unit cell.

Which from following solids is isotropic?

Calculate the number of atoms present in 1.58 g metal if it forms bcc structure.
\(\left[\rho \times \mathrm{a}^3=1.58 \times 10^{-22} \mathrm{~g}\right]\)

What is the volume occupied by 0.5 mol of $\mathrm{CO}_2$ at STP?

In a chemical reaction, sum of formula weight of all reactants is 274 u and atom economy is $50 \%$, calculate formula weight of desired product?

What is the molar mass of compound represented by following structure formula?

Four vessels of same volume consist equal masses of four gases $\mathrm{H}_2, \mathrm{Cl}_2, \mathrm{~N}_2$, and $\mathrm{O}_2$ separately at same temperature. The pressure exerted by the gas is maximum for

Match column I (process) with column II (application)

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

Which from following reactions performs zero work?

Calculate $\Delta \mathrm{S}_{\text {total }}$ for a certain reaction at 298 K if $\Delta \mathrm{H}^{\circ}=-208.6 \mathrm{~kJ}$ and $\Delta \mathrm{S}^{\circ}=-36 \mathrm{~J} \mathrm{~K}^{-1}$