SATHEE: D-And F-Block Elements Ques 255

D-And F-Block Elements Ques 255

Question: Among the following, the compound that is both paramagnetic and coloured is

[IIT-JEE 1997]

Options:

A) $K_{2} C r_{2} O_{7}$

B) ${(N H_{4})}_{2} (T i C l_{6})$

C) $V O S O_{4}$

D) $K_{3} [C u (C N_{4})]$

Show Answer

Answer:

Correct Answer: C

Solution:

$V^{+ 4}, \to 3 d^{1} 4 s^{0}$ 1 unpaired electrons. Hence, it is paramagnetic and coloured compound.

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