Co-Ordination Compounds Question 54
Question: $ CuSO_4 $ reacts with KCN solution and forms:
[DPMT 2004]
Options:
A) $ K_3[Cu{{(CN)}_4}] $
B) $ Cu(CN) $
C) $ Cu{{(CN)}_2} $
D) $ K_4[Cu{{(CN)}_6}] $
Show Answer
Answer:
Correct Answer: A
Solution:
$ CuSO_4 $ on reaction with $ KCN $ gives $ K_3[Cu{{(CN)}_4}] $
$ 2CuSO_4+10KCN\to 2K_3[Cu{{(CN)}_4}]+2K_2SO_4+{{(CN)}_2} $
