Question $21$

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Which metal complex ion is expected to be subject to a Jahn$-$Teller distortion?

Select one:

a$.$

$[Cr(CN{)}_6{]}^{3-}$

b$.$

$[Cr(bpy{)}_3{]}^{2+}$

c$.[Cr(N{H}_3{)}_6{]}^{2+}$

d$.$

$[Cr(O{H}_2{)}_6{]}^{3+}$