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Identify the wrongly match pair.
A
$NH_3$ — Trigonal pyramidal
B
$PCl_5$ — Trigonal planar
C
$SF_6$ — Octahedral
D
$BeCl_2$ — Linear
Detailed Solution
$PCl_5$ actually has a trigonal bipyramidal geometry (not trigonal planar), so this pair is wrongly matched. $NH_3$ is trigonal pyramidal, $SF_6$ is octahedral, and $BeCl_2$ is linear — all correctly matched.