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Statement-1: The mineral corudum, Al(2)O...

Statement-1: The mineral corudum, `Al_(2)O_(3)` is colourless when pure. However, when various `M^(3+)` transition metal ion are present in trace amounts, various coloured gemstones metal ion.
Statement-2: The colours are produced due to electronic transitions within d-orbitals (called d-d transitions) of a transition metal ion.

A

Statement-1 is True, Statement-2 is True , Statement-2 is a correct explanation for Statement-1.

B

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.

C

Statement-1 is True, Statement-2 is False.

D

Statement-1 is False, Statement-2 is True.

Text Solution

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The correct Answer is:
A
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