List of top Questions asked in MET

The function of $\mathrm{AlCl}_3$ in the Friedel-Craft's reaction is}

The enthalpy change for the transition of liquid water to steam is $40.8\mathrm{kJ}\mathrm{mol}^{-1}$ at 373 K. Calculate the entropy of vaporisation of water.

$1.2\mathrm{g}$ of Mg (at. mass 24) will produce MgO equal to

The order of relative bond strength of oxygen molecule, superoxide ion and peroxide ion is

$\mathrm{S_N}1$ reactions are favoured by

The solubility product of $\mathrm{Al}_2(\mathrm{SO}_4)_3$ is given by the expression}

The entropy change for the fusion of 1 mol of a solid which melts at $27^{\circ}C$ is (latent heat of fusion $= 600\mathrm{cal}\mathrm{mol}^{-1}$)

Aldol condensation will not be observed in

Reimer-Tiemann reaction involves

To a 4 L of 0.2 M solution of NaOH, 2 L of 0.5 M NaOH are added. The molarity of resulting solution is

Deviation from the ideal gas behaviour of a gas can be expressed as

Ethylene diamine is an example of

The coordination number of central metal atom in a complex is determined by

In the standardization of $\mathrm{Na}_2\mathrm{S}_2\mathrm{O}_3$ using $\mathrm{K}_2\mathrm{Cr}_2\mathrm{O}_7$ by iodometry, the equivalent weight of $\mathrm{K}_2\mathrm{Cr}_2\mathrm{O}_7$ is

The formation of oxide ion $\mathrm{O}^{2-}(g)$ requires first an exothermic and then an endothermic step as shown below: $\mathrm{O}(g) + e^- \longrightarrow \mathrm{O}^-(g); \Delta H^\circ = -142\mathrm{kJ}\mathrm{mol}^{-1}$ and $\mathrm{O}^-(g) + e^- \longrightarrow \mathrm{O}^{2-}(g); \Delta H^\circ = 844\mathrm{kJ}\mathrm{mol}^{-1}$. This is because

Which of the following sets of quantum numbers is impossible arrangement?

Cane sugar on treating with conc. $\mathrm{H}_2\mathrm{SO}_4$ gives char. It is because $\mathrm{H}_2\mathrm{SO}_4$ is

Which of the following ions has the highest magnetic moment?

The standard reduction potentials for two half-cell reactions are given below. $\mathrm{Cd}^{2+}(aq) + 2e^- \longrightarrow \mathrm{Cd}(s); E^\circ = -0.40\mathrm{V}$ and $\mathrm{Ag}^{+}(aq) + e^- \longrightarrow \mathrm{Ag}(s); E^\circ = 0.80\mathrm{V}$. The standard free energy change for the reaction $2\mathrm{Ag}^{+}(aq) + \mathrm{Cd}(s) \longrightarrow 2\mathrm{Ag}(s) + \mathrm{Cd}^{2+}(aq)$ is given by

The type of isomerism present in nitroamphetamine chromium (III) chloride is

Starch is the polymer of

Which of the following will give positive iodoform test?

Lyophilic sols are more stable than lyophobic sols because

The coefficients of $\mathrm{I}^-$, $\mathrm{IO}_3^-$ and $\mathrm{H}^+$ in the redox reaction $\mathrm{I}^- + \mathrm{IO}_3^- + \mathrm{H}^+ \longrightarrow \mathrm{I}_2 + \mathrm{H}_2\mathrm{O}$ in the balanced form respectively are}

Which one of the following solutions exhibits the maximum elevation in boiling point?