MHT CET 2023 9th May Morning Shift

Identify the product when phenol is heated with zinc dust.

Which of the following is secondary benzylic alcohol?

Identify the product \(\mathrm{A}\) obtained in the following reaction.
Phenol + Conc. Nitric acid \(\stackrel{\text { conc, } \mathrm{H}_2 \mathrm{SO}_4}{\longrightarrow} \mathrm{A}\)

Identify the product 'B' in following reaction.
Ethyl phenyl ketone \(\mathrm{\buildrel {{H_2}N - N{H_2}} \over \longrightarrow}\) A \(\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_\Delta ^{KOH,HO - {{(C{H_2})}_2} - OH}}}\)

What type of reaction is the formation of aldol from aldehyde?

Which from following rule / principle states that "No two electrons in an atom can have the same set of four quantum numbers"?

Calculate the wavenumber of the photon emitted during transition from the orbit of \(n=2\) to \(n=1\) in hydrogen atom. \(\left[R_H=109677 \mathrm{~cm}^{-1}\right]\)

Which carbon atoms (numbered from \(C_1\) to \(C_6\) ) are involved in the formation of ring structure of glucose?

What is the value of specific rotation exhibited by glucose molecule?

Identify the product '\(\mathrm{B}\)' in the following reaction.
Dry ice \(\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{Dry\,ether}^{C{H_3}MgBr}}}\) A $$\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow}
\limits_{dil.\,HCl}^{{H...

Which of the following molecules has no lone pair of electrons on central atom?

Which from following is the slope of the graph of rate versus concentration of the reactant for first order reaction?

Calculate the amount of reactant in percent that remains after 60 minutes involved in first order reaction. \(\left(\mathrm{k}=0.02303\right.\) minute \(\left.^{-1}\right)\)

The rate for reaction \(\mathrm{A}+\mathrm{B} \rightarrow\) product, is \(1.8 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}\). Calculate the rate constant if the reaction is second order in \(\mathrm{A}\) and first order i...

Which of the following amines undergoes acylation reaction?

Identify neutral ligand from following

What are different possible oxidation states exhibited by scandium?

Find the value of spin only magnetic moment for chromium cation in +2 state.

Calculate \(\Delta \mathrm{G}^{\circ}\) for the cell:
\(\mathrm{Sn}_{(\mathrm{s})}\left|\mathrm{Sn}_{(\mathrm{1M})}^{2+}\right|\left|\mathrm{Ag}_{(\mathrm{1M})}^{+}\right| \mathrm{Ag}_{(\mathrm{s})}\) at $$25^{\circ} \mathrm{C}\left(\mathr...

Calculate current in ampere required to deposit \(4.8 \mathrm{~g} ~\mathrm{Cu}\) from it's salt solution in 30 minutes. [Molar mass of \(\mathrm{Cu}=63.5 \mathrm{~g} \mathrm{~mol}^{-1}\) ]

Identify the gas produced due to reduction of \(\mathrm{NH}_4^{+}\) ions at cathode during working of dry cell.

Which of the following is NOT obtained when a mixture of methyl chloride and n-propyl chloride is treated with sodium metal in dry ether?

Identify the reagent \(\mathrm{A}\) in the following conversion.
Alkyl halide \(\stackrel{A}{\longrightarrow}\) Alkyl nitrite

What is the number of moles of \(\mathrm{sp}^2\) hybrid carbon atoms in one mole of hexa-1,4-diyne?

What is the number of moles of water molecules required to prepare n moles of methane from n moles of methyl magnesium iodide?

A buffer solution is prepared by mixing 0.2 M sodium acetate and 0.1 M acetic acid. If pK\(_a\) for acetic acid is 4.7, find the pH.

Which salt from following forms aqueous solution having \(\mathrm{pH}\) less than 7 ?

Solubility of a salt \(\mathrm{A}_2 \mathrm{~B}_3\) is \(1 \times 10^{-3} \mathrm{~mol} \mathrm{~dm}^{-3}\). What is the value of its solubility product?

Identify the chiral molecule from following.

What is the IUPAC name of following compound?

\(0.2 ~\mathrm{M}\) aqueous solution of glucose has osmotic pressure 4.9 atm at \(300 \mathrm{~K}\). What is the concentration of glucose if it has osmotic pressure \(1.5 \mathrm{~atm}\) at same temperature?

A solution of nonvolatile solute is obtained by dissolving \(3.5 \mathrm{~g}\) in \(100 \mathrm{~g}\) solvent has boiling point elevation \(0.35 \mathrm{~K}\). Calculate the molar mass of solute.
(Molal elevation constant $$=2.5 \mathrm{~K}...

Which of the following metals is used as catalyst in manufacture of sulphuric acid by contact process?

Which from following molecules exhibits highest acidic nature?

Identify the element having general electronic configuration \(\mathrm{ns}^2 \mathrm{np}^4\) from following.

Which from following polymers is obtained from \(\mathrm{C}_2 \mathrm{~F}_4\) ?

Identify homopolymer from following.

What is the oxidation state of carbon in \(\mathrm{CaC}_2\) and \(\mathrm{K}_2 \mathrm{C}_2 \mathrm{O}_4\) respectively?

Which from following statements is NOT correct?

A compound made of elements \(\mathrm{A}\) and \(\mathrm{B}\) form fcc structure. Atoms of A are at the corners and atoms of B are present at the centres of faces of cube. What is the formula of the compound?

What is the packing efficiency of silver metal in its unit cell?

What is the number of unit cells when one mole atom of a metal that forms simple cubic structure?

Identify number of moles of donor atoms in \(2 \mathrm{n}\) mole of \(\mathrm{SCN}^{-}\).

Which of the following concentration terms depends on temperature?

What is the mass in gram of 1 atom of an element if its atomic mass is \(10 ~\mathrm{u}\) ?

At \(0{ }^{\circ} \mathrm{C}\) a gas occupies 22.4 liters. What is the temperature in Kelvin to reach the volume of 224 liters?

What type of information is collected using scanning electron microscopy?

Which among the following reactions exhibits \(\Delta \mathrm{H}=\Delta \mathrm{U}\) ?

An ideal gas expands by performing \(200 \mathrm{~J}\) of work, during this internal energy increases by \(432 \mathrm{~J}\). What is enthalpy change?

Calculate the value of \(\Delta G\) for following reaction at \(300 \mathrm{~K}\).
$$\begin{aligned}
& \mathrm{H}_2 \mathrm{O}_{(\mathrm{s})} \longrightarrow \mathrm{H}_2 \mathrm{O}_{(l)} \\
& \left(\Delta \mathrm{H}=7 \mathrm{~kJ}, \Delta ...