Qualitative Analysis - Result Question 19
####19. The brown ring complex compound is formulated as
(a) 1
(b) 2
(c) 3
(d) 0
(1987, 1M)
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Answer:
Correct Answer: 19. (a)
Solution:
- The total positive valency is +2 (because the only anion is
). Therefore, oxidation state of must be +1 .