MHT CET 2023 14th May Morning Shift

Which of the following is a pair of dihydric phenols?

According to carbinol system, name of isopropyl alcohol is

Identify the reaction in which carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with hydrazine followed by heating with sodium hydroxide in ethylene glycol.

Identify the product '\(\mathrm{B}\)' in the following reaction. Toluene \(\xrightarrow[\mathrm{CS}_2]{\text { Chromylchloride }} \mathrm{A} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}}\mathrm{B}\)

Find the number of orbitals and maximum electrons respectively present in \(\mathrm{M}\)-shell?

Calculate radius of third orbit of \(\mathrm{He}^{+}\).

Identify non reducing sugar from following.

In which of the following carbohydrate, molecular mass increases by \(84 \mathrm{u}\) after complete acetylation?

Identify '\(\mathrm{A}\)' in the following reaction.
A+ Acetic anhydride \(\xrightarrow{\mathrm{H}^{+}}\) Aspirin + Acetic acid

Identify the reagent used in the following reaction.
Benzoic acid \(\xrightarrow[\Delta]{\text { Reagent }}\) Benzoyl chloride +
Phosphorous oxychloride + Hydrogen chloride

Which activity from following is exhibited by Lewis base according to definition?

What is the geometry of \(\mathrm{PCl}_5\) molecule as per VSEPR?

Find the rate law for the reaction, \(\mathrm{CHCl}_{3(\mathrm{~g})}+\mathrm{Cl}_{2(\mathrm{~g})} \rightarrow \mathrm{CCl}_{4(\mathrm{~g})}+\mathrm{HCl}_{(\mathrm{g})}\) if order of reaction with respect to $$\mathrm{CHCl}_{\mathrm{a}(\math...

The rate for reaction \(2 \mathrm{~A}+\mathrm{B} \rightarrow\) product is \(6 \times 10^{-4} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}\) Calculate the rate constant if the reaction is first order in \(\mathrm{A}\) and zeroth order in...

Calculate half life of first order reaction if rate constant of reaction is \(2.772 \times 10^{-3} \mathrm{~s}^{-1}\)

Which from following molecules does NOT contain nitrogen in it?

Identify the product '\(B\)' in the following sequence of reactions.
\(\mathrm{CH}_3 \mathrm{Br} \xrightarrow{\mathrm{KCN}} \mathrm{A} \xrightarrow{\mathrm{NaC}_2 \mathrm{H}_3 \mathrm{OH}} \mathrm{B}\)

Which isomer among the following has the highest boiling point?

What is coordination number of central metal ion in \(\left[\mathrm{Fe}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}\) ?

Which from following formulae is of sodium hexanitrocobaltate(III)?

Which among the following cations produces colourless aqueous solution in their respective oxidation state?

Which from following expressions is used to find the cell potential of \(\mathrm{Cd}_{(\mathrm{s})}\left|\mathrm{Cd}_{(\mathrm{aq})}^{++}\right|\left|\mathrm{Cu}_{(\mathrm{aq})}^{+}\right| \mathrm{Cu}_{(\mathrm{s})}\) cell at $$25^{\circ} \...

Which from following is NOT true about voltaic cell?

Calculate molar conductivity of \(\mathrm{NH}_4 \mathrm{OH}\) at infinite dilution if molar conductivities of \(\mathrm{Ba}(\mathrm{OH})_2\)
\(\mathrm{BaCl}_2\) and \(\mathrm{NH}_4 \mathrm{Cl}\) at infinite dilution are $$520,280,129 \Ome...

Which of the following is formed when propene is heated with bromine at high temperature?

What is the number of moles of tertiary carbon atoms in a molecule of isobutane?

Calculate the \(\mathrm{pH}\) of \(0.01 \mathrm{~M}\) strong dibasic acid.

Calculate dissociation constant of \(0.001 \mathrm{M}\) weak monoacidic base undergoing \(2 \%\) dissociation.

Which among the following is NOT a true statement for enantiomers?

What is IUPAC name of the following compound?

Calculate the relative lowering of vapour pressure if the vapour pressure of benzene and vapour pressure of solution of non-volatile solute in benzene are \(640 \mathrm{~mmHg}\) and \(590 \mathrm{~mmHg}\) respectively at same temperature.

Calculate the depression in freezing point of solution when \(4 \mathrm{~g}\) nonvolatile solute of molar mass \(126 \mathrm{~g} \mathrm{~mol}^{-1}\) dissolved in \(80 \mathrm{~mL}\) water [Cryoscopic constant of water $$=1.86 \mathrm{~K} \...

Which among the following is NOT colligative property?

What is the value of \(\angle \mathrm{S}-\mathrm{S}-\mathrm{S}\) in puckered \(\mathrm{S}_8\) rhombic sulfur?

Which element from following exhibits the highest number of allotropes?

Identify the polymer obtained from

Which from following polymers is used to obtain plastic dinner ware?

What is the number of moles of electrons gained by one mole oxidizing agent in following redox reaction?
\(\mathrm{Zn_{(s)}+2HCl_{(aq)}}\) \(\longrightarrow\) \(\mathrm{ZnCl_2+H_2}\)

Which element from following exhibits common oxidation state +2 ?

Calculate the volume of unit cell if an element having molar mass \(56 \mathrm{~g} \mathrm{~mol}^{-1}\) that forms bcc unit cells.
$$\left[\rho \cdot \mathrm{N}_{\mathrm{A}}=4.8 \times 10^{24} \mathrm{~g} \mathrm{~cm}^{-3} \mathrm{~mol}^{-1...

In an ionic crystalline solid, atoms of element Y forms hcp structure. The atoms of element X occupy one third of tetrahedral voids. What is the formula of compound?

What is total number of crystal systems associated with 14 Bravais lattices?

What is number of atoms present in \(2.24 \mathrm{~dm}^3 \mathrm{~NH}_{3(\mathrm{~g})}\) at STP?

Calculate the percent atom economy when a product of formula weight \(175 \mathrm{u}\) is obtained in a chemical reaction using \(225 \mathrm{u}\) formula weight reactant.

Find the temperature in degree Celsius if volume and pressure of 2 mole ideal gas is \(20 \mathrm{~dm}^3\) and \(4.926 \mathrm{~atmospheres}\) respectively. ($$\mathrm{R}=0.0821 \mathrm{~dm}^3 \mathrm{~atm} \mathrm{~K}^{-1} \mathrm{~mol}^{-...

Which of the following ion has greater coagulating power for negatively charged sol?

Which from following catalyst is used in decomposition of \(\mathrm{KCl}_3\) ?

If enthalpy change for following reaction at \(300 \mathrm{~K}\) is \(+7 \mathrm{~kJ} \mathrm{~mol}^{-1}\) find the entropy change of surrounding?
\(\mathrm{H}_2 \mathrm{O}_{(\mathrm{s})} \longrightarrow \mathrm{H}_2 \mathrm{O}_{(\ell)}\)

Calculate \(\Delta \mathrm{H}\) for following reaction, at \(25{ }^{\circ} \mathrm{C}\).
$$\mathrm{NH}_2 \mathrm{CN}_{(\mathrm{g})}+\frac{3}{2} \mathrm{O}_{2(\mathrm{~g})} \longrightarrow \mathrm{N}_{2(\mathrm{~g})}+\mathrm{CO}_{2(\mathrm{~...

Identify false statement regarding isothermal process from following.