MHT CET 2023 13th May Morning Shift

Identify substrate '\(\mathrm{A}\)' in the following sequence of reactions.
A \(\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_\Delta ^{SOC{l_2}}}}\) B $$\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow}
\limits_{{C_2}{H_5}Cl}^{N...

Which of the following is tertiary benzylic alcohol?

Which following reagent is used in Etard reaction?

Find the radius of fourth orbit of hydrogen atom if its radius of first orbit is \(\mathrm{R}\) pm.

Which of the following is NOT a globular protein?

Identify A in the following reaction.
\(\mathrm{{C_6}{H_{12}}{O_6}\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{dil.\,HN{O_3}}^{(O)}} A}\)

Which among the following is a pair of monocarboxylic acids?

Which among the following compounds has highest boiling point?

Which of the following molecules does NOT obey octet rule?

Find the rate of formation of \(\mathrm{NO}_{2(\mathrm{~g})}\) in the following reaction.
$$\begin{aligned}
& 2 \mathrm{~N}_2 \mathrm{O}_{5(\mathrm{~g})} \rightarrow 4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \\
& {\left[\fr...

Calculate the rate constant of the first order reaction if \(20 \%\) of the reactant decomposes in 15 minutes.

Which from following is the slope of the graph of \([\mathrm{A}]_{\mathrm{t}}\) versus time for zero order reaction?

Identify substrate '\(\mathrm{A}\)' in the following conversion.
$$\mathrm{A}+\underset{\text { (excess) }}{\mathrm{CH}_3 \mathrm{I}} \stackrel{\Delta}{\longrightarrow} {\mathrm{C}_2 \mathrm{H}_5}\left(\mathrm{CH}_3\right)_3 \stackrel{+}{\m...

Identify the CORRECT decreasing order of basic strength of compounds from following.

Identify cationic sphere complex from following.

Which from following formulae is of trioxalatocobaltate(III) ion?

Which from following elements exhibits ferromagnetic properties?

Calculate \(\mathrm{E}_{\text {cell }}^0\) if the equilibrium constant for following reaction is \(1.2 \times 10^6\).
\(2 \mathrm{Cu}_{(\mathrm{aq})}^{+} \longrightarrow \mathrm{Cu}_{(\mathrm{aq})}^{++}+\mathrm{Cu}_{(\mathrm{s})}\)

Identify the overall oxidation reaction that occurs in lead storage cell during discharge.

Calculate the time required in second to deposit \(6.35 \mathrm{~g}\) copper from its salt solution by passing 5 ampere current.
[Molar mass of \(\mathrm{Cu}=63.5 \mathrm{~g} \mathrm{~mol}^{-1}\) ]

Which among the following is a feature of \(\mathrm{S}_{\mathrm{N}} 1\) mechanism?

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

What is the number of moles of nascent hydrogen required to prepare 1 mole of methane from iodomethane?

A buffer solution is prepared by mixing equimolar acetic acid and sodium acetate. If '\(\mathrm{K}_d\)' of acetic acid is \(1.78 \times 10^{-5}\), find the \(\mathrm{pH}\) of buffer solution.

The solubility product of \(\mathrm{Mg}(\mathrm{OH})_2\) is \(1.8 \times 10^{-11}\) at \(298 \mathrm{~K}\). What is its solubility in \(\mathrm{mol} \mathrm{~dm}^{-3}\) ?

If \(\mathrm{K}_{\mathrm{sp}}\) is solubility product of \(\mathrm{Al}(\mathrm{OH})_3\), its solubility is expressed by formula,

Which from following methods of structural formula representation uses conventionally a point for front carbon and a circle around it for rear carbon?

What is IUPAC name of crotonyl alcohol?

What is the common name of benzene-1,3-diol?

Calculate van't Hoff factor of \(\mathrm{K}_2 \mathrm{SO}_4\) if \(0.1 \mathrm{~m}\) aqueous solution of \(\mathrm{K}_2 \mathrm{SO}_4\) freezes at \(-0.43{ }^{\circ} \mathrm{C}\) and cryoscopic constant of water is $$1.86 \mathrm{~K} \mathr...

A solution of \(5.6 \mathrm{~g}\) non-volatile solute in \(50 \mathrm{~g}\) solvent has elevation in boiling point \(1.75 \mathrm{~K}\). What is the molar mass of solute $$\left(\mathrm{K}_{\mathrm{b}}=3 \mathrm{~K} \mathrm{~kg} \mathrm{~mo...

What is the molal elevation constant if one gram mole of a nonvolatile solute is dissolved in \(1 \mathrm{~kg}\) of ethyl acetate? \(\left(\Delta \mathrm{T}_{\mathrm{b}}=x \mathrm{~K}\right)\)

Which from following alloys is used to make statues?

Which of the following pair of nuclides is an example of isotones?

Which noble gas element from following exhibits highest number of different oxidation states?

Identify FALSE statement from following.

Which from following statements is NOT true about natural rubber?

Identify the monomer used to prepare Teflon.

What is the change in oxidation number of selenium in the following redox reaction?
$$\mathrm{SeO}_{3(\text { (a) })}^{2-}+\mathrm{Cl}_{2(\mathrm{~g})}+2 \mathrm{OH}^{-} \longrightarrow \mathrm{SeO}_{4(\text { (a) })}^{2-}+2 \mathrm{Cl}_{(\...

Which from following properties is exhibited by group 2 elements?

Which from following metal has hcp crystal structure?

Calculate the radius of metal atom in bcc unit cell having edge length \(287 \mathrm{~pm}\).

Calculate the number of atoms present in unit cell if an element having molar mass \(23 \mathrm{~g} \mathrm{~mol}^{-1}\) and density \(0.96 \mathrm{~g} \mathrm{~cm}^{-3}\).
$$[\mathrm{a}^3 \cdot \mathrm{N}_{\mathrm{A}}=48 \mathrm{~cm}^3 \ma...

The volume of a gas is \(4 \mathrm{~dm}^3\) at \(0^{\circ} \mathrm{C}\). Calculate new volume at constant pressure when the temperature is increased by \(10^{\circ} \mathrm{C}\).

Identify FALSE statement regarding adsorption from following.

Which from following nanomaterial has one dimension less than \(100 \mathrm{~nm}\) ?

Which of the following processes exhibits increase in internal energy?

One mole of an ideal gas performs \(900 \mathrm{~J}\) of work on surrounding. If internal energy increases by \(625 \mathrm{~J}\), find the value of \(\Delta \mathrm{H}\).

Which of the following temperature values in Fahrenheit \(\left({ }^{\circ} \mathrm{F}\right)\) is equal to \(50^{\circ} \mathrm{C}\) ?

Calculate the work done in the following reaction at \(300 \mathrm{~K}\) and at constant pressure.
\(\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)\)
$$4 \mathrm{HCl}_{(\mathrm{g})}+\mathrm{O}_{2(\mathrm{~g})}...