1
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

2
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

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

3
TS EAMCET 2022 (Online) 18th July Evening Shift
MCQ (Single Correct Answer)
+1
-0
The correct order of decreasing acidic nature of oxides is
A

$\mathrm{Li}_2 \mathrm{O}>\mathrm{BeO}>\mathrm{CO}_2>\mathrm{B}_2 \mathrm{O}_3>\mathrm{N}_2 \mathrm{O}_3$

B

$\mathrm{CO}_2>\mathrm{N}_2 \mathrm{O}_3>\mathrm{B}_2 \mathrm{O}_3>\mathrm{Li}_2 \mathrm{O}>\mathrm{BeO}$

C

$\mathrm{CO}_2>\mathrm{BeO}>\mathrm{Li}_2 \mathrm{O}>\mathrm{B}_2 \mathrm{O}_3>\mathrm{N}_2 \mathrm{O}_3$

D

$\mathrm{N}_2 \mathrm{O}_3>\mathrm{CO}_2>\mathrm{B}_2 \mathrm{O}_3>\mathrm{BeO}>\mathrm{Li}_2 \mathrm{O}$

4
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

How many of the following statements are correct?

(A) ' $\mathrm{He}^{\prime}$ ' is the second most abundant element in the universe.

(B) The symbol for the element with atomic number 110 is Ds.

(C) Osmium has the highest density among all elements.

(D) Francium is the most electropositive element in the periodic table.

A

3

B

2

C

4

D

1

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