Classification of Elements and Periodicity in Properties Test

Result

Classification of Elements and Periodicity in Properties Test - 16

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Weekly Quiz Competition

Question 1
4 / -1

The decreasing order of the size of the following ions is

A
Li⁺ > H⁺ > H^‒

B
H⁺ > H^‒ > Li⁺

C
H^‒ > Li⁺ > H⁺

D
H^‒ > H⁺ > Li⁺
Question 2
4 / -1

Which of the following is not paramagnetic ?
[At No. of Be = 4, Ne = 10, As = 33, Cl = 17]

A
Cl^‒

B
Be^‒

C
Ne²⁺

D
As⁺
Question 3
4 / -1

Ionic radii of

A
Ti⁴⁺ < Mn²⁺

B
³⁵Cl^‒ < ³⁷Cl^‒

C
K⁺ > Cl^‒

D
P³⁺ > P⁵⁺
Question 4
4 / -1

The radii of F, F^‒,O and O^2‒ are in the order of

A

B

C

D
Question 5
4 / -1

Which of the following remains unchanged on descending a group in the periodic table?

A
Valence electrons

B
Atomic size

C
Density

D
Metallic character
Question 6
4 / -1

The correct order of radii is

A

B

C

D
Question 7
4 / -1

Set containing isoelectronic species is

A

B

C

D

Solution
Question 8
4 / -1

Highest electron affinity is shown by

A
O^‒

B
F^‒

C
Cl₂

D
F₂
Question 9
4 / -1

Which of the following has least electron affinity?

A
Oxygen

B
Argon

C
Nitrogen

D
Boron
Question 10
4 / -1

Which of the following have same number of electrons in the outermost orbit?

A
Pb, Sb

B
N, O

C
As, Bi

D
P, Ca