1
TS EAMCET 2022 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Arrange the following in increasing order of ionic radii

$$ \mathrm{O}^{2-}, \mathrm{Na}^{+}, \mathrm{F}^{-}, \mathrm{Mg}^{2+} $$

A

$\mathrm{Mg}^{2+}<\mathrm{Na}^{+}<\mathrm{F}^{-}<\mathrm{O}^{2-}$

B

$\mathrm{Mg}^{2+}<\mathrm{F}^{-}<\mathrm{Na}^{+}<\mathrm{O}^{2-}$

C

$\mathrm{O}^{2-}<\mathrm{F}^{-}<\mathrm{Na}^{+}<\mathrm{Mg}^{2+}$

D

$\mathrm{O}^{2-}<\mathrm{Mg}^{2+}<\mathrm{F}^{-}<\mathrm{Na}^{+}$

2
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The correct order of ionic radii for the given species is

A

$\mathrm{Na}^{+}>\mathrm{Al}^{3+}>\mathrm{Mg}^{2+}>\mathrm{K}^{+}$

B

$\mathrm{K}^{+}>\mathrm{Na}^{+}>\mathrm{Mg}^{2+}>\mathrm{Al}^{3+}$

C

$\mathrm{K}^{+}>\mathrm{Na}^{+}>\mathrm{Al}^{3+}>\mathrm{Mg}^{2+}$

D

$\mathrm{Al}^{3+}>\mathrm{Mg}^{2+}>\mathrm{K}^{+}>\mathrm{Na}^{+}$

3
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following set of properties generally decreases along a period?

A

Ionisation energy and atomic radii

B

Metallic character and atomic radii

C

Electron affinity and electronegativity

D

Valency and oxidation potential

4
TS EAMCET 2022 (Online) 19th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The correct order of the electron gain enthalpy of the given elements is

A

$\mathrm{O}>\mathrm{Se}>\mathrm{S}$

B

$\mathrm{Se}>\mathrm{S}>\mathrm{O}$

C

$\mathrm{O}>\mathrm{S}>\mathrm{Se}$

D

$\mathrm{S}>\mathrm{O}>\mathrm{Se}$

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