MHT CET 2023 11th May Evening Shift

Which among the following phenols has highest melting point?

The common name of Benzene-1,3-diol is:

Identify the reagent 'R' used in the following reaction.

Which of the following statements is NOT true about Bohr atomic model?

Which from following elements is isoelectronic with \(\mathrm{Na}^{+}\)?

Which of the following enzyme is found in saliva?

Which of the following phenomena is NOT explained by the open chain structure of glucose?

Methyl propanoate on hydrolysis with dil \(\mathrm{NaOH}\) forms a salt which on further acidification with conc. \(\mathrm{HCl}\) forms _________.

Identify the product obtained in the following reaction.
\(\left(\mathrm{CH}_3 \mathrm{CO}\right)_2 \mathrm{O} \stackrel{\mathrm{H}_2 \mathrm{O}}{\longrightarrow} \text { Product }\)

What is the formal charge on sulfur in following Lewis structure?

For a reaction \(\mathrm{A}+\mathrm{B} \rightarrow\) product, if \([\mathrm{A}]\) is doubled keeping \([\mathrm{B}]\) constant, the rate of reaction doubles. Calculate the order of reaction with respect to A.

Calculate the rate constant of the first order reaction if \(80 \%\) of the reactant reacted in 15 minute.

Identify the expression for average rate for following reaction.
\(\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{NH}_{3(\mathrm{~g})}\)

If, Aniline \(\frac{\text { i) } \mathrm{NaNO}_2+\mathrm{HCl}, 273 \mathrm{~K}}{\text { ii) } \mathrm{H}_2 \mathrm{O}, \Delta}\) Product.
Identify the product of above reaction.

Identify '\(\mathrm{A}\)' and '\(\mathrm{B}\)' in the following reaction.
\(\mathrm{CH}_3 \mathrm{Br} \stackrel{\mathrm{AgNO}_2}{\longrightarrow} \mathrm{A} \stackrel{\mathrm{Sn} / \mathrm{HCl}}{\longrightarrow} \mathrm{B}\)

Identify the formula of potassium trioxalatoaluminate(III).

Identify anionic complex from following.

Which element from following does NOT exhibit spin only magnetic moment in +3 state?

Which from following cations in their respective oxidation states develops colourless aqueous solution?

Which from following sentences is NOT correct?

Calculate the \(\mathrm{E}_{\text {cell }}^{\circ}\) for \(\mathrm{Zn}_{(\mathrm{s})}\left|\mathrm{Zn}_{(\mathrm{IM})}^{++}\right|\left|\mathrm{Cd}_{(\mathrm{IM})}^{++}\right| \mathrm{Cd}_{(\mathrm{s})}\) at $$25^{\circ} \mathrm{C}\left[\ma...

Identify nonbenzenoid aromatic compound from following.

Identify the final product formed on ammonolysis of benzyl chloride followed by the reaction with two moles of \(\mathrm{CH}_3 \mathrm{I}\).

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

The reaction of aryl halide with alkyl halide and sodium metal in dry ether to form substituted aromatic compounds is known as:

Which among the following is NOT a feature of \(\mathrm{S}_{\mathrm{N}} 2\) mechanism?

What is the number of moles of secondary carbon atoms in \(\mathrm{n}\) mole isopentane?

Identify the salt that undergoes hydrolysis and forms acidic solution from following.

A weak base is \(1.42 \%\) dissociated in its \(0.05 \mathrm{~M}\) solution. Calculate its dissociation constant.

Calculate the degree of dissociation of \(0.01 \mathrm{~M}\) acetic acid at \(25^{\circ} \mathrm{C}\left[\Lambda_{\mathrm{c}}=15.0 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}\right.\) and $$\left.\Lambda_0=300 \Omega^{-1} \mathrm{~cm}^2 \...

What is the pH of 0.005 M NaOH solution?

A solution of nonvolatile solute is obtained by dissolving \(1.5 \mathrm{~g}\) in \(30 \mathrm{~g}\) solvent has boiling point elevation \(0.65 \mathrm{~K}\). Calculate the molal elevation constant if molar mass of solute is $$150 \mathrm{~...

Identify the FALSE statement about ideal solution from following.

Calculate osmotic pressure of \(0.2 \mathrm{~M}\) aqueous \(\mathrm{KCl}\) solution at \(0^{\circ} \mathrm{C}\) if van't Hoff factor for \(\mathrm{KCl}\) is 1.83. $$\left[\mathrm{R}=0.082 \mathrm{~dm}^3 \mathrm{~atm} \mathrm{~mol}^{-1} \mat...

Which from following molecules exhibits lowest thermal stability?

Identify weakest halogen acid from following.

Which from following properties is NOT exhibited by LDP?

Which from following polymers is obtained from isoprene?

What is the oxidation number of sulfur in \(\mathrm{H}_2 \mathrm{SO}_5\) ?

Identify the element having general electronic configuration \(\mathrm{ns}^1\) from following.

Which from following is NOT an example of amorphous solid?

Calculate the molar mass of metal having density \(9.3 \mathrm{~g} \mathrm{~cm}^{-3}\) that forms simple cubic unit cell. \(\left[\mathrm{a}^3 \cdot \mathrm{N}_{\mathrm{A}}=22.6 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]\)

Find the radius of an atom in fcc unit cell having edge length \(405 \mathrm{pm}\).

What is the value of percent atom economy when an organic compound of formula weight \(75 \mathrm{~u}\) is obtained from reactants having sum formula weight \(225 \mathrm{~u}\) ?

Which from following substances consists of total 1 mole atoms in it? (Molar mass of \(\mathrm{NH}_3=17, \mathrm{H}_2 \mathrm{O}=18, \mathrm{~N}_2=28, \mathrm{CO}_2=44\) )

If \(\mathrm{N}_2\) gas is compressed at 2 atmosphere from 9.0 L to \(3.0 \mathrm{~L}\) at \(300 \mathrm{~K}\), find the final pressure at same temperature.

Which of the following is positively charged sol?

Calculate \(\Delta \mathrm{S}_{\text {total }}\) for the following reaction at \(300 \mathrm{~K}\).
\(\mathrm{NH}_4 \mathrm{NO}_{3(\mathrm{~s})} \longrightarrow \mathrm{NH}_{(\mathrm{aq})}^{+}+\mathrm{NO}_{3(\mathrm{aq})}^{-}\)
$$\left(\Del...

What is the work done during oxidation of 4 moles of \(\mathrm{SO}_{2(\mathrm{~g})}\) to \(\mathrm{SO}_{3(\mathrm{~g})}\) at \(27^{\circ} \mathrm{C}\)?
$$\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1(\mathrm{~g})} \mathrm{mol}^{-1}\rig...

Identify the type of system if boiling water is kept in a half filled closed vessel.