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JEE Main2003Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual

What may be expected to happen when phosphine gas is mixed with chlorine gas?

Options

  1. APCI ₃ and HCI are formed and the mixture warms up
  2. BPCI ₅ and HCI are formed and the mixture cools down
  3. CPH ₃ . Cl ₂ is formed with warming up
  4. DThe mixture only cools down

Correct answer

B. PCI ₅ and HCI are formed and the mixture cools down

Step-by-step solution

PH ₃+4 Cl ₂ PCl ₅+3 HCI

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