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In the given 15 group  elements which elements can form a trihalide?

Option: 1

Nitrogen


Option: 2

Arsenic


Option: 3

Phosphorus


Option: 4

Antimony

 

 


Answers (1)

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Phosphorus can form a trihalide, which is a compound containing three halogen atoms and one phosphorus atom, such as phosphorus trichloride (PCl_3). Hence option 3 is the correct answer.

Option(1) Phosphorus can form a trihalide, which is a compound containing three halogen atoms and one phosphorus atom, such as phosphorus trichloride (PCl_3). Hence option 1 is incorrect.

Option(2) Phosphorus can form a trihalide, which is a compound containing three halogen atoms and one phosphorus atom, such as phosphorus trichloride (PCl_3).  Hence option 2 is incorrect.

Option(4) Phosphorus can form a trihalide, which is a compound containing three halogen atoms and one phosphorus atom, such as phosphorus trichloride (PCl_3). Hence option 4 is incorrect.

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