Coordination Compounds - Result Question 31
####33. Among the following, the compound that is both paramagnetic and coloured, is
[1996]
(a) $KMnO_4$
(b) $CuF_2$
(c) $K_4[Fe(CN)_6]$
(d) $K_2 Cr_2 O_7$
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Solution:
- (b) $CuF_2$ is both paramagnetic and coloured due to unpaired electron in $d$-orbital $(3 d^{9} 4 s^{0})$.
