1
AP EAPCET 2025 - 23rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The amphoteric oxide of vanadium ( V ) reacts with alkali and forms an oxo ion ' $X$ ' and with acid forms an oxo ion $Y$. The oxidation states of ' V ' in $X$ and $Y$ are respectively
2
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0
How many of the following lanthanide elements exhibit +4 oxidation state?
Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy
3
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0
$$ \text { Match the following } $$
| $$ \text { List-I (Aquated ion) } $$ |
$$ \text { List-II (Colour) } $$ |
||
|---|---|---|---|
| (A) | $\mathrm{Ni}^{2+}$ | (I) | Violet |
| (B) | $\mathrm{Fe}^{3+}$ | (II) | Blue |
| (C) | $\mathrm{Mn}^{3+}$ | (III) | Yellow |
| (D) | $\mathrm{V}^{4+}$ | (IV) | Red |
| (V) | Green | ||
Correct answer is
4
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The ion with $4 f^7$ configuration is
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