A) \[C{{r}^{3+}}\]
B) \[M{{n}^{2+}}\]
C) \[C{{o}^{2+}}\]
D) \[N{{i}^{2+}}\]
Correct Answer: A
Solution :
[a] Borax react with \[C{{r}^{3+}}\] to form dark green coloured bead in reducing flame.
You need to login to perform this action.
You will be redirected in
3 sec
