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Standard XII
Chemistry
Phosphorus - Allotropic Forms
Question

Reason
As tendency of polymerization increases, the compactness of substance also increases.
Assertion
The order of densities of the various allotropes of phosphorus is as follow: Black phosphorus > red phosphorus > white phosphorus because.
The order of densities of the various allotropes of phosphorus is as follow: Black phosphorus > red phosphorus > white phosphorus because.

A
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
B
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Assertion is incorrect but Reason is correct
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Solution
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Correct option is A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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