Test Index

NCERT Class XII Chemistry
Chapter - Coordination Compounds
Questions with Solutions

© examsnet.com
Question : 30 of 43
Marks: +1, -0
The oxidation number of cobalt in K[Co(CO)4] is
(a) + 1
(b) +3
(c) – 1
(d) –3
Solution:  
(c) : +1+x+4(0)=0
∴‌‌x=–1.
© examsnet.com
Go to Question:
Prev Question
Next Question