List of top Questions asked in MET

A group of atoms can function as a ligand only when ________.

The bond order in NO is 2.5 while that in $NO^+$ is 3. Which of the following statements is true for these two species?

Which one of the following compounds will dissolve in an alkali solution after it has undergone reaction with Hinsberg reagent?

When phenol is treated with excess of bromine water, it gives ________.

Which reaction is suitable for the preparation of $α$-chloroacetic acid?

The oxidation state of Fe in $Fe₃O₄$ is ________.

The equivalent weight of $KMnO₄$ for acid solution is ________.

Which has the highest weight?

Which has the highest $e/m$ ratio?

The ionisation potential order for which set is correct?

For a first order reaction, the concentration changes from 0.8 to 0.4 in 15 min. The time taken for the concentration to change from 0.1 M to 0.025 M is ________.

One mole of $CO₂$ contains ________.

Helium-oxygen mixture is used by deep sea divers in preference to nitrogen-oxygen mixture because ________.

In the reaction $NaOH + S → A + Na₂S + H₂O$; A is ________.

Sulphuric acid has great affinity for water because ________.

Which of the following electrolytes is least effective in coagulating ferric hydroxide solution?

The relative lowering of vapour pressure of a dilute aqueous solution containing non-volatile solute is 0.0125. The molality of the solution is about ________.

The activation energy of exothermic reaction $A→ B$ is 80 kJ $mol^-1$. The heat of reaction is 200 kJ $mol^-1$. The activation energy for the reaction $B→ A$ (in kJ $mol^-1$) will be ________.

Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them?

When hydrogen peroxide is added to acidified potassium dichromate, a blue colour is produced due to formation of ________.

The IUPAC name of $CH₃-CH(OH)-CH=C(CH₃)-CHO$ is ________.

Consider the acidity of the carboxylic acids: I. PhCOOH, II. $o-NO₂C₆H₄COOH$, III. $p-NO₂C₆H₄COOH$, IV. $m-NO₂C₆H₄COOH$. Which of the following order is correct?

Which of the following does not answer iodoform test?

The product of reaction between alcoholic silver nitrite with ethyl bromide is ________.

Iso-propyl chloride undergoes hydrolysis by ________.