List of practice Questions

Which is Lewis acid?
The pH of $10^-10$ M NaOH solution is nearest to ________.
Which of the following is not true for carbanions?
Which among the following statements is correct with respect to the optical isomers?
When phenol is treated with excess of bromine water, it gives ________.
Which reaction is suitable for the preparation of $α$-chloroacetic acid?
Which one of the following compounds will dissolve in an alkali solution after it has undergone reaction with Hinsberg reagent?
Angle strain in cyclopropane is ________.
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?
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?
The oxidation state of Fe in $Fe₃O₄$ is ________.
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 ________.
In the reaction $NaOH + S → A + Na₂S + H₂O$; A is ________.
Sulphuric acid has great affinity for water because ________.
Helium-oxygen mixture is used by deep sea divers in preference to nitrogen-oxygen mixture because ________.
One mole of $CO₂$ contains ________.
The IUPAC name of $CH₃-CH(OH)-CH=C(CH₃)-CHO$ is ________.
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 ________.
Which of the following electrolytes is least effective in coagulating ferric hydroxide solution?
Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them?
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 ________.