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Chemistry: Core Concepts MCQs

Waraq ECAT Review: Chemistry · ECAT / Engineering Entrance · 20 practice questions

1. The first ionisation energy across a period generally:

  1. ADecreases
  2. BIs zero
  3. CStays constant
  4. DIncreases
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D. Increases Nuclear charge increases with a similar shielding.

2. Which gas law relates pressure and volume at constant temperature?

  1. AAvogadro law
  2. BCharles law
  3. CBoyle law
  4. DGraham law
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C. Boyle law PV is constant.

3. The functional group of a ketone is:

  1. A-COOH
  2. B-CHO
  3. CC=O within a carbon chain
  4. D-OH
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C. C=O within a carbon chain An aldehyde has the carbonyl at the end.

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