If 7.0 g of ethane at s.t.p occupy 5.6 dm³, what volume will 7.5 g of ethane at the same condition occupy? (C = 12; H =1; GMV at s.t.p = 22.4 dm³

• A) 6.0 dm³
• B) 5.6 dm³
• C) 5.2 dm³
• D) 9.4 dm³

Which of the following compounds would react rapidly with bromine?

• A. Benzene
• B. Hexane
• C. Hexene
• D. Hexanol

The compound below is an

• A) alkanone
• B) alkanoate
• C) alkanal
• D) akanol

Which of the quantum number divides shells into orbitals?

• A) principal
• B) subsidiary
• C) magnetic
• D) spin

Which of the following compounds would release hydrogen when reacted with sodium metal? I. CH₃COOH II. CH₃CH₂OH III. CH₃COOCH₃

• A. I only
• B. I and II only
• C. Il and IIl only
• D. I and Ill only

Sulphur (IV) oxide bleaches by

• A. Reduction
• B. Oxidation
• C. Hydration
• D. Adsorption

The name of the compound C4H9COOC3H7 is

• A. propyl pentanoate
• B. pentyl propanoate
• C. butyl propanoate
• D. propyl butanoate

In the oil drop experiment, Millikan determined the

• A) charge to mass ratio of the electron
• B) mass of the electron
• C) charge of the electron
• D) mass of the proton

20 cm3 of a 2.0 M solution of ethanoic acid was added to excess of 0.05 M sodium hydroxide. The mass of the salt produced is? (Na = 23, C = 12, O = 16, H = 1)

• A. 2.50 g
• B. 2.73 g
• C. 3.28 g
• D. 4.54 g

A substance that is used as a ripening agent for fruits is

• A. ethene
• B. propene
• C. methane
• D. butane