1
TG EAPCET 2025 (Online) 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0
$A, B C, D$ and $E$ are elements with atomic numbers 13 , $11,9,7$ and 16 respectively. Among these elements, ion of an element $X$ has largest size and ion of an element $Y$ has smallest size. $X$ and $Y$ are respectively.(Assume that all ions have nearest inert gas configuration)
2
TG EAPCET 2025 (Online) 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The correct order of atomic radii of group 13 elements is
3
TG EAPCET 2025 (Online) 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Observe the following oxides. The number of amphoteric oxides from the given list is $\mathrm{CO}, \mathrm{B}_2 \mathrm{O}_3, \mathrm{SnO}_2, \mathrm{PbO}_2, \mathrm{Ga}_2 \mathrm{O}_3, \mathrm{SnO}, \mathrm{PbO}, \mathrm{CO}_2$
4
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If first ionisation enthalpy $\left(\Delta_{i} H\right)$ values of $\mathrm{Na}, \mathrm{Mg}$ and Si are respectively 496,737 and $786 \mathrm{~kJ} \mathrm{~mol}^{-1}$, the first ionisation enthalpy value of $\mathrm{Al}\left(\mathrm{in} \mathrm{kJ} \mathrm{mol}^{-1}\right.$ ) will be
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