Which of the following is the correct order of increasing enthalpy of

1.	Which of the following is the correct order of increasing enthalpy of vaporisation ?
Answer» `NH_(3) lt PH_(3) lt AsH_(3)` `ArH_(3) lt PH_(3) lt NH_(3)` `PH_(3) lt AsH_(3) lt NH_(3)` `NH_(3) lt AsH_(3) lt PH_(3)` Answer :C

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