MHT CET 2025 19th April Evening Shift

Which of the following is NOT dihydric phenol?

Identify the product ' B ' in the following series of reactions.$$
\text { Chlorobenzene } \xrightarrow[\text { ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {i) } \mathrm{NaOH}, 623 \mathrm{~K} / 150 \text { atm }} \mathrm{A} \xrightarrow{\math...

Benzonitrile on reduction with stannous chloride in presence of hydrochloric acid followed by acid hydrolysis forms,

Identify the product ' B ' in the following sequence of reactions.
Methyl magnesium bromide $\xrightarrow{\mathrm{CdCl}_2} \mathrm{~A}\xrightarrow{\mathrm{CH}_3 \mathrm{COCl}} \mathrm{~B}$

What is the wavenumber of the photon emitted during transition from the orbit $\mathrm{n}=5$ to that of $\mathrm{n}=2$ in hydrogen atom? $\left[\mathrm{R}_{\mathrm{H}}=109677 \mathrm{~cm}^{-1}\right]$

Which from following carbohydrates produces double quantity of glucose on hydrolysis per mole as compared with sucrose?

What is the number of $>\mathrm{C}=\mathrm{C}<$ bonds present in a linolenic acid molecule?

Which from following pairs of carbohydrates produce equal quantity of glucose on hydrolysis per mole?

Cyclohexene on oxidation with $\mathrm{KMnO}_4$ in dil. $\mathrm{H}_2 \mathrm{SO}_4$ forms

Which of the following molecules has a regular geometry as expected?

Half life of a first order reaction is 900 minute at 400 K , find its half life at 300 K ?
\(\left(\frac{\mathrm{E}_{\mathrm{a}}}{2.303 \mathrm{R}}=1.3056 \times 10^3\right)\)

Which from following is a correct representation of reaction rate for reaction stated below?
\(\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(\mathrm{~g})} \rightleftharpoons 2 \mathrm{NH}_{3(\mathrm{~g})}\)

Rate law for the reaction,
$$ \mathrm{C}_2 \mathrm{H}_5 \mathrm{I}_{(\mathrm{g})} \longrightarrow \mathrm{C}_2 \mathrm{H}_{4(\mathrm{~g})}+\mathrm{HI}_{(\mathrm{g})} \text { is } \mathrm{r}=\mathrm{k}\left[\mathrm{C}_2 \mathrm{H}_5 \mathrm{...

What is the loss in molar mass when a primary amine is obtained by Hofmann degradation of amide?

Identify pair of complexes that exhibits solvate isomerism.

What is the total number of donor atoms present in Tetracyanonickelate(II) ion?

Identify the element from following such that the last electron is placed in $(\mathrm{n}-1) \mathrm{d}$ orbital.

Which transition series includes elements Co and Mo respectively?

For the cell,
${ }^{\ominus} \mathrm{Zn}_{(\mathrm{s})}\left|\mathrm{Zn}^{+2}(1 \mathrm{M})\right|\left|\mathrm{Ag}^{+1}(1 \mathrm{M})\right| \mathrm{Ag}_{(\mathrm{s})}{ }^{\oplus}$
If concentration of $\mathrm{Zn}^{+2}$ decreases to 0.1 M ...

For a Galvanic cell consisting zinc electrode and standard hydrogen electrode,
\(\mathrm{E}^{\mathrm{o}}\left(\mathrm{Zn}_{(\mathrm{aq})}^{+2} \mid \mathrm{Zn}_{(\mathrm{s})}\right)=-0.76 \mathrm{~V}\)
Identify the reaction that takes pla...

What is the number of faraday required to form $1 \mathrm{~mol} \mathrm{H}_2$ by reduction of $\mathrm{H}^{+}$ions?

Which solvent from following is used in order to avoid creation of waste and pollution of air?

When tert butyl bromide is heated with silver fluoride the major product obtained is

Which among the following is an allylic halide?

\(\text { Identify the bond line formula of Neopentane. }\)

Which of the following methods is used to prepare dihydrogen with purity greater than 99.5 ?

What is the pH of buffer solution prepared by mixing 0.01 M weak acid and 0.02 M salt of weak acid with strong base? $\left(\mathrm{pK}_{\mathrm{a}}=4.680\right)$

If pH of solution changes from 4 to 5 , then the $\mathrm{H}_3 \mathrm{O}^{+}$ion concentration of solution

What is the value of $K_{s p}$ for saturated solution of $\mathrm{Ba}(\mathrm{OH})_2$ having pH 12 ?

Identify the name of method used for three dimensional representation of molecule as follows.

What is IUPAC name of the following compound?

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

Which from following compounds is least soluble in water at STP?

Identify from following salts so that the solubility of salt in water decreases with increase in temperature.

Calculate the concentration of an aqueous solution of non electrolyte at 300 K if its osmotic pressure is 12 atm .
\(\left[\mathrm{R}=0.0821 \mathrm{~atm} \mathrm{dm}^3 \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right]\)

Calculate the molal elevation constant of solvent if boiling point of 0.12 m solution is 319.8 K (Boling point of solvent $=319.5 \mathrm{~K}$ )

Identify the correct molecular formula of 'Oleum' from following.

Which of the following statements is correct about $\mathrm{O}_2$ and $\mathrm{O}_3$ molecule?

Which from following polymers is classified as fibre?

Which from following polymers is obtained by condensation polymerisation method?

Which of the following is a redox reaction?

The volume of simple unit cell is $x \times 10^{-23} \mathrm{~cm}^3$. Calculate the value of $x$ if volume occupied by a particle in it is $2.1 \times 10^{-23} \mathrm{~cm}^3$.

In ionic solid, anions are arranged in ccp array and cations occupy $1 / 3$ tetrahedral voids. What is the formula of ionic compound?
[Consider $\mathrm{A}=$ cation; $\mathrm{B}=$ anion]

Which of the following statements is NOT correct regarding voids in lattice structure?

Find the mass of potassium chlorate required to liberate $5.6 \mathrm{dm}^3$ of oxygen gas at STP? (molar mass of $\mathrm{KClO}_3=122.5 \mathrm{~g} / \mathrm{mol}$ )

Which from following is true according to Gay-Lussac's law?

Identify example of sorption from following.

Calculate the entropy change of surrounding if 2 moles of $\mathrm{H}_2$ and 1 mole of $\mathrm{O}_2$ gas combine to form 2 moles of liquid water by releasing 525 kJ heat to surrounding at constant pressure and at 300 K .

Calculate the enthalpy change of vaporisation of benzene if 13 gram of benzene vaporised by supplying 5.1 kJ of heat.

Which of the following reactions exhibits decrease in entropy?