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Q 2617145989.    
JEE 1994

Assertion : Although `PF_5, PCl_5` and `PBr_5` are known, the pentahalides of nitrogen have not been observed.

Reason : Phosphorus has lower electronegativity than nitrogen.

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

HINT


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(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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