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Assertion : Be and Mg do not impart char...

Assertion : `Be` and `Mg` do not impart characteristic colour to the flame.
Reason : Both `Be` and `Mg` have high ionisation energy.

A

Both assertion and reason are true and reason is the correct explanation of assertion

B

Both assertion and reason are true but reason is not the correct explanation of assertion

C

Assertion is true but reason is false

D

But assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
A
Due to high ionisation energy Be and Mg are not excited by the flame.
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Assertion: Be and Mg do not impat characteristic colour to the flame. Reason: both Be and Mg have high ionization energy.

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MARVEL PUBLICATION-S BLOCK ELEMENTS -TEST YOUR GRASP
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