the minimum amount of energy required for a reaction to take place is

• A) lattice energy
• B) ionization energy
• C) activation energy
• D) kinetic energy

Which of the following compounds is not correct about the reaction of sodium material for the manufacture of plastics?

• A. Ethyne
• B. Ethane
• C. Monochloroethene
• D. Propene

If an atom is represented as²³₁₁X, which of the following deduction is correct?

• A) it contains 12 protonic
• B) it forms a covalent chloride
• C) its atomic number is 23
• D) it is an alkali metal

2H2(g) + O2(g) → 2H2O(g) ΔH = -ve What happens to the equilibrium constant of the reaction above if the temperature is increased?

• A) it is unaffected
• B) it becomes zero
• C) it decreases
• D) it increases

Pure solvents are obtained by

• A. Distillation
• B. Condensation
• C. Extraction
• D. Evaporation

Benzene produces more soot than ethene on burning because benzene

• A. has a higher molar mass
• B. has a higher degree off unsaturation
• C. undergoes substitution and addition reaactions
• D. is a liquid at room temperature

The alkanol obtained from the production of soap is

• A) propanol
• B) ethanol
• C) glycerol
• D) methanol

The gas equation \(\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}\) is made up of Charles’ Law and _________ law

• A) Le Chateliers
• B) Gay-Lussac
• C) Boyle
• D) Newton

Which of the following cannot be deduced from the electronic configuration of a transition metal?

• A. Possession of magnetic property
• B. Ability to form complex ions
• C. Position in the Periodic Table
• D. Variable oxidation states

The oxidation number of nitrogen in Pb(NO₃)₂ is

• A. +2
• B. +3
• C. +4
• D. +5