1
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

A

$\mathrm{Al}>\mathrm{TI}>\mathrm{Ga}>\mathrm{In}$

B

$\mathrm{Al}>\mathrm{Ga}>\mathrm{In}>\mathrm{TI}$

C

TI $>$ In $>$ Ga $>$ AI

D

TI $>$ In $>$ AI $>$ Ga

2
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 $\mathrm{CO}, \mathrm{B}_2 \mathrm{O}_3, \mathrm{SnO}_2, \mathrm{PbO}_2, \mathrm{Ga}_2 \mathrm{O}_3, \mathrm{SnO}, \mathrm{PbO}, \mathrm{CO}_2$

A

3

B

4

C

5

D

6

3
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
A
575
B
760
C
400
D
790
4
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The set containing the elements with positive electron gain enthalpies is
A
$\mathrm{S}, \mathrm{Se}, \mathrm{Te}$
B
$\mathrm{Kr}, \mathrm{Xe}, \mathrm{Rn}$
C
$\mathrm{Cl}, \mathrm{Br}, \mathrm{I}$
D
$\mathrm{K}, \mathrm{Rb}, \mathrm{Cs}$

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