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4 marks (โˆ’1)

Which one of the following does NOT correctly represent the correct order of the property indicated against it?

  1. A
    : increasing ionization enthalpy
  2. B
    : increasing number of oxidation states
  3. C
    : increasing magnetic moment
  4. D
    : increasing melting points

Solution & Step-by-step Explanation

In the transition series, the melting point increases up to Chromium () and then generally decreases. Manganese () has an abnormally low melting point due to its stable half-filled configuration, which results in weaker metallic bonding.The correct order of melting points is: .Thus, Option D is incorrect.

Practice this question

Try it yourself before checking the explanation above.

Which one of the following does NOT correctly represent the correct order of the property indicated against it?
A
: increasing ionization enthalpy
B
: increasing number of oxidation states
C
: increasing magnetic moment
D
: increasing melting points

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