Classification of Elements and Periodicity in Properties Test

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Classification of Elements and Periodicity in Properties Test - 3

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Weekly Quiz Competition

Question 1
4 / -1

The increasing order of first ionisation enthalpies of the elements B, P, S and F (lowest first) is

A
F < S < P < B

B
P < S < B < F

C
B < P < S < F

D
B < S < P < F
Question 2
4 / -1

Which of the following is a false statement?

A
Fluorine is more electronegative than chlorine

B
Nitrogen has greater IE than oxygen

C
Lithium is amphoteric

D
Chlorine is an oxidising agent
Question 3
4 / -1

The first ionisation potential is maximum for

A
B

B
N

C
O

D
Be
Question 4
4 / -1

Which among the following elements have lowest value of IE₁?

A
Pb

B
Sn

C
Si

D
C
Question 5
4 / -1

The elements with atomic numbers 9, 17, 35, 53, 85 are all

A
noble gases

B
halogens

C
heavy metals

D
light metals
Question 6
4 / -1

Which one of the following has maximum ionisation potential?

A
K

B
Be

C
Na

D
Mg
Question 7
4 / -1

Ionisation potential for a noble gas is

A
maximum in a period

B
minimum in a period

C
either minimum or maximum

D
constant
Question 8
4 / -1

Strongest oxidising agent among halogen is

A
I₂

B
Br₂

C
Cl₂

D
F₂

Solution
Question 9
4 / -1

Atomic radii of F and Ne, in Å, are given by

A
0.72, 0.71

B
0.72, 1.6

C
1.6, 1.58

D
0.71, 0.72
Question 10
4 / -1

Which of the following has largest ionic radius?

A
Cs ⁺

B
Li⁺

C
Na⁺

D
K⁺

Solution

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Classification of Elements and Periodicity in Properties Test - 3

Result

Classification of Elements and Periodicity in Properties Test - 3

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Question 1

F < S < P < B

P < S < B < F

B < P < S < F

B < S < P < F

Question 2

Fluorine is more electronegative than chlorine

Nitrogen has greater IE than oxygen

Lithium is amphoteric

Chlorine is an oxidising agent

Question 3

B

N

O

Be

Question 4

Pb

Sn

Si

C

Question 5

noble gases

halogens

heavy metals

light metals

Question 6

K

Be

Na

Mg

Question 7

maximum in a period

minimum in a period

either minimum or maximum

constant

Question 8

I2

Br2

Cl2

F2

Solution

Question 9

0.72, 0.71

0.72, 1.6

1.6, 1.58

0.71, 0.72

Question 10

Cs +

Li+

Na+

K+

Solution

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I₂

Br₂

Cl₂

F₂

Cs ⁺

Li⁺

Na⁺

K⁺