List of top Questions asked in MET- 2013

Determine the \(\mathrm{pH}\) of \(0.024\mathrm{\ M}\) hydroxylamine hydrochloride solution. (\(K_b\) of hydroxyl amine is \(10^{-8}\))

Determine solubility of \(\mathrm{AgBr}\) in a \(0.1\mathrm{\ M\ KCN}\) solution. \([K_f \text{ of } [\mathrm{Ag(CN)_2}]^- = 5.6 \times 10^8; K_{sp} \text{ of } \mathrm{AgBr} = 7.7 \times 10^{-13}]\)

Which of the following forms cationic micelles above a certain minimum concentration?

A certain reaction rate increases \(1000\) folds in the presence of a catalyst at \(27^\circ\mathrm{C}\). The activation energy of the original pathway is \(98\mathrm{\ kJ/mol}\). What is the activation energy of the new pathway?

Consider the following reaction in an aqueous solution \[ \mathrm{I}^-(aq) + \mathrm{OCl}^- \rightarrow \mathrm{IO}^-(aq) + \mathrm{Cl}^-(aq) \] and the following initial concentration and initial rate data for this reaction.

Which of the following is the correct rate law for this reaction?

Which one of the following reaction energy diagrams best represents a reaction in the reverse direction; that it is the most endothermic?

Consider the following redox reaction occurring in acidic medium

The unknown standard reduction potential is

A \(0.15\) molal solution of \(\mathrm{K_4[Fe(CN)_6]}\) in water freezes at \(-0.65^\circ\mathrm{C}\). What is the apparent percentage of dissociation of this compound in this solution? (\(K_f\) for water \(= 1.86^\circ\mathrm{C\ mol}^{-1}\))

\(10\mathrm{g}\) of non-volatile solute is dissolved in \(180\mathrm{g}\) of \(\mathrm{H_2O}\) resulting in lowering of vapour pressure by \(0.5%\). Determine the boiling point of solution if \(K_b\) of water is \(0.52\mathrm{\ K\ kg\ mol^{-1}}\).

The spontaneous reaction that takes place in this cell is

Which polysaccharide has \(\alpha\)-glycoside linkage?

\(p\)-cresol reacts with chloroform in alkaline medium to give the compound \(A\) which adds hydrogen cyanide to form the compound \(B\). The latter on acidic hydrolysis gives chiral carboxylic acid '\(C\)' which is

Mixture can be of:

Choose the correct statement.

Alanine forms Zwitter ion which exists as

Which gives only glucose by hydrolysis?

Find A

The structure of N-propyl acetamide is

When a nucleophile encounters a ketone the site of attack is

A can be

Which A gives red colour in the reaction \[ A \xrightarrow[(ii)\ \mathrm{NaOH}]{(i)\ \mathrm{HNO_2}} \text{red colour} \]

Find A

The reaction of 1-bromo-3-chlorocyclobutane with metallic sodium in dioxane gives

End product of following sequence of reaction is

Find X