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Question

Which of the following statements is incorrect regarding transition elements?

A
They exhibit variable valencies
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B
They possess low melting points
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C
They are good catalysts
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D
They form coloured complexes
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Solution

The correct option is C They possess low melting points
Transition metals do not possess low melting points, they possess high melting points due to strong metallic bonds. The number of unpaired electrons in the outermost shell indicates the strength of the metallic bonds.

Therefore, more the unpaired electrons present, higher will be the melting point.

Hence, option B is correct.

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