Reason
Black phosphorus contain $$P_4$$ units.
Assertion
Red phosphorous on heating changes its colour to black.
Red phosphorous on heating changes its colour to black.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Assertion is correct but Reason is incorrect
C
Both Assertion and Reason are incorrect
D
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Correct option is C. Assertion is correct but Reason is incorrect
Black P has graphite like network structure.
Red phosphorus on heating changes its colour to black
Also, black phosphate does not contain P4 units
C is right