The order of densities of the various allotropes of phosphorus is as follows: black phosphorus, red phosphorus, white phosphorus.
Reason
As tendency of polymerisation increases, the compactness of substance also increases.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Assertion is incorrect but Reason is correct
Medium
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Updated on : 2022-09-05
Solution
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Correct option is A)
order of densities of the various allotropes of phosphorus is Black > Red > White. because as the tendency of polymerisation increases, the compactness of substance also increases as shown in the above diagram.