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Question

Which of the following is not correct?
  1. White and red phosphorus react with chlorine at room temperature
  2. White phosphorus is metastable, while red phosphorus is stable
  3. White phosphorus is lighter than red phosphorus
  4. White phosphorus is highly poisionous, while red phosphorus is not

A
White and red phosphorus react with chlorine at room temperature
B
White phosphorus is lighter than red phosphorus
C
White phosphorus is metastable, while red phosphorus is stable
D
White phosphorus is highly poisionous, while red phosphorus is not
Solution
Verified by Toppr

White phosphorous reacts with chlorine spontaneously (means at room temperature) to form PCl3 and PCl5 but red phosphorous reacts with chlorine on heating to form PCl3 and PCl5.

Hence, the correct option is A

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