MHT CET 2023 10th May Evening Shift

Which of the following is tertiary allylic alcohol?

Identify the solvent used in bromination of phenol to obtain 2,4,6-tribromophenol.

Identify the product obtained when isopropyl bromide is reacted with metallic sodium in dry ether.

An organic compound '\(\mathrm{A}\)' on reaction with \(\mathrm{PCl}_3\) gives an alkyl chloride having formula \(\mathrm{C}_3 \mathrm{H}_7 \mathrm{Cl}\). '\(\mathrm{A}\)' on oxidation with \(\mathrm{PCC}\) forms an aldehyde having formula ...

Identify CORRECT decreasing order of solubilities of alcohols, alkanes and amines in water having comparable molar mass.

Which of the following reagents is used in Gatterman-Koch formylation of arene?

What is the radius of fourth orbit of \(\mathrm{Be}^{+++}\) ?

What is angular momentum of an electron in fourth orbit of hydrogen atom?

Identify the glycosidic linkage present in lactose.

Identify tetrasaccharide from following.

Which of the following is tricarboxylic acid?

Which from following statements is TRUE about \(\mathrm{CH}_3 \mathrm{CH}\left(\mathrm{NH}_2\right) \mathrm{CH}_2 \mathrm{COOH}\) molecule?

What is the number of unpaired electrons in \(\mathrm{NO}\) molecule?

Weak acid HX has dissociation constant \(1 \times 10^{-5}\). Calculate the percent dissociation in its \(0.1 \mathrm{M}\) solution.

Find the average rate of formation of \(\mathrm{NO}_{2(\mathrm{~g})}\), in 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})} \\
& {\lef...

Calculate the rate constant for the first order reaction, \(\mathrm{A} \rightarrow \mathrm{B}\) if the rate of reaction is \(5.4 \times 10^{-6} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}\) and \([\mathrm{A}]=0.3 \mathrm{M}\).

Time required for \(90 \%\) completion of a first order reaction is '\(x\)' minute. Calculate the time required to complete \(99.9 \%\) of the reaction at same temperature.

Identify the product obtained when benzonitrile is reduced by stannous chloride in presence of hydrochloric acid followed by acid hydrolysis.

Identify '\(A\)' in the following reaction:
A \(\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ether}^{LiAl{H_4}}}}\) Ethanamine

What is the calculated value of spin only magnetic moment in terms of BM if only one unpaired electron is present in a species?

What type of ligand does the ethylenediamine is?

Which from following complexes is heteroleptic?

What happens when solution of an electrolyte is diluted?

Calculate \(E_{\text {cell }}^{\circ}\) in which following reaction occurs. \(\mathrm{Mg}_{(\mathrm{s})}+2 \mathrm{Ag}_{(\mathrm{IM})}^{+} \rightarrow \mathrm{Mg}_{(1 \mathrm{M})}^{+}+2 \mathrm{Ag}_{(\mathrm{s})}\) if $$\mathrm{E}_{\mathrm{...

Calculate the conductivity of \(0.02 \mathrm{~M}\) electrolyte solution if its molar conductivity \(407.2 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}\) ?

Which among the following is vinylic halide?

Which of the following is obtained as product when ethylene reacts with oxygen in presence of \(\mathrm{Pd} / \mathrm{Al}_2 \mathrm{O}_3\) ?

Which of the following is general representation of Grignard reagent?

Which from following elements is most abundant on earth?

Find solubility in terms of \(\mathrm{mol} \mathrm{~L}^{-1}\) if solubility product of silver bromide is \(6.4 \times 10^{-13}\).

Calculate the \(\mathrm{pH}\) of a buffer solution containing \(0.01 ~\mathrm{M}\) salt and \(0.004 \mathrm{~M}\) weak acid. \(\left(\mathrm{pK}_{\mathrm{a}}=4.762\right)\)

Identify the molecular formula of an alkane that exhibits only two different structural isomers.

The solubility of a gas in a liquid is directly proportional to the pressure of the gas over the solution. Identify the law for this statement.

What is the solubility of a gas in water at \(25^{\circ} \mathrm{C}\) if partial pressure is \(0.18 \mathrm{~atm}\) ? \(\left(\mathrm{K}_{\mathrm{H}}=0.16 \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{~atm}^{-1}\right)\)

What is osmotic pressure of solution of \(1.7 \mathrm{~g} \mathrm{~CaCl}_2\) in \(1.25 \mathrm{~dm}^3\) water at \(300 \mathrm{~K}\) if van't Hoff factor and molar mass of \(\mathrm{CaCl}_2\), are 2.47 and $$111 \mathrm{~g} \mathrm{~mol}^{-...

Which from following is a CORRECT decreasing order of ionization enthalpies of different elements?

What is the position of transition elements from \(\mathrm{Sc}\) to \(\mathrm{Zn}\) in long form of periodic table?

Identify a copolymer from following.

Which among the following statements is NOT true about high density polythene?

Identify the elements undergoing reduction and oxidation respectively in the following redox reaction.
$$3 \mathrm{H}_3 \mathrm{AsO}_{3(\mathrm{aq})}+\mathrm{BrO}_{3(\mathrm{aq})}^{-} \rightarrow \mathrm{Br}_{(\mathrm{aq})}^{-}+3 \mathrm{H}...

Which from following compounds is obtained when carbon dioxide gas bubbled through slaked lime solution?

Find the radius of an atom in fcc unit cell having edge length \(393 \mathrm{pm}\).

Calculate the number of atoms present in unit cell of an element having molar mass \(190 \mathrm{~g} \mathrm{~mol}^{-1}\) and density \(20 \mathrm{~g} \mathrm{~cm}^{-3}\).
$$\left[\mathrm{a}^3 \cdot \mathrm{N}_{\mathrm{A}}=38 \mathrm{~cm}^3...

Which of the following characteristic properties is NOT true for crystalline solid?

How many moles of nitrogen atoms are present in \(8 \mathrm{~g}\) of ammonium nitrate?
(Molar mass of ammonium nitrate \(=80\) )

What is the volume of 1 mole real gas at STP \(\left(V_0=22.4 \mathrm{~dm}^3\right)\), if compressibility factor of real gas is 1.1 at STP?

Identify the last step in wet chemical synthesis of nanomaterial.

A gas absorbs \(200 \mathrm{~J}\) heat and expands by \(500 \mathrm{~cm}^3\) against a constant external pressure \(2 \times 10^5 \mathrm{~N} \mathrm{~m}^{-2}\). What is the change in internal energy?

Which among the following pair of properties is intensive?

If \(8.84 \mathrm{~kJ}\) heat is liberated for formation of \(3 \mathrm{~g}\) ethane, calculate its \(\triangle_{\mathrm{f}} \mathrm{H}^{\circ}\).