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JEE Main 20205 SeptemberMorning Shift

Exam: JEE Main
Year: 2020
Date: 5 September
Shift: Morning Shift
Subject: Chemistry
Chapter: p Block Elements (Group 15, 16, 17 & 18)

JEE Main 2020 · 5 September · Morning Shift · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The structure of PCl _ 5 in the solid state is :

The structure of

{PCl}_{5}

in the solid state is :

Options

Atetrahedral ${\left[{PC}_{4}\right]}^{+}$ and octahedral ${\left[{PCl}_{6}\right]}^{-}$
Bsquare planar ${\left[{PCl}_{4}\right]}^{+}$ and octahedral ${\left[{PCl}_{6}\right]}^{-}$
Csquare pyramidal
Dtrigonal bipyramidal

Correct answer

A. tetrahedral ${\left[{PC}_{4}\right]}^{+}$ and octahedral ${\left[{PCl}_{6}\right]}^{-}$

Step-by-step solution

$2{PCl}_{5}\left(s\right) \to \mathop{{\left[{PCl}_{4}\right]}^{+}}_{Tetrahedral}\mathop{{\left[{PCl}_{6}\right]}^{-}}_{Octahedral}$

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