CHEMISTRY FULL SYLLABUS REVISION

An alkyl group has a general formula of

• CnH₂n -₁
• CnH₂n
• CnH₂n+₂
• CnH₂n+₁

The rate of a chemical reaction is affected by all of the following factors except the

• presence of light
• nature of reactants
• nature of products
• surface area of reactants

Which of the following compounds would produce effervescence when reacted with sodium hydrogen trioxocarbonate (IV)?

• CH₃CH₂COOH
• CH₃CH₂COOCH₃
• CH₃CH₂CH₂OH
• CH₃CH₂CHOHCH₃

Consider the following chemical equation Mg(s) + Cu²⁺(aq) → Mg²⁺(aq) +Cu(s) The species that is reduced is

• magnesium atom
• copper ions
• magnesium ions
• copper atom

Which of the following substances would react with ethane to form more than one product?

• Argon
• Hydrogen
• Oxygen
• Steam

Which of the following gases would change colour when bubbled into a phenolphthalein solution?

• HCl
• NH3
• N₂O
• H₂S

What is the IUPAC name of HCOOCH₂CH₂CH₃ ?

• Butanoic acid
• Butanoate
• Methyl Propanoate
• Propyl methanoate

On heating 100cm³ of a saturated solution to dryness, 2.5g of anhydrous salt was obtained. The solubility of the salt would be

• 40 g/dm³
• 25 g/dm³
• 4.0 g/dm³
• 2.5 g/dm³

Which of the following compounds is a member of the hydrocarbon series with the general formula CnH₂n-6?

• C₃H₈
• C₄H₈
• C₅H₈
• C₇H₈

Consider the following equilibrium reaction: AgCl(s) Ag⁺(aq) + Cl⁻(aq) When 0.1mol/dm³ HCl is added to the system, the equilibrium position would shift to the

• right and the concentration of Ag⁺(aq) would decrease.
• right and the concentration of Ag⁺(aq)
• left and the concentration of Ag⁺(aq) would decrease.
• left and the concentration of Ag⁺(aq) would increase.