P - Block Elements Test

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P - Block Elements Test - 121

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Weekly Quiz Competition

Question 1
4 / -1

Mark smallest atom

A
F

B
Cl

C
Br

D
I
Question 2
4 / -1

Which of following arrangement for 3 halogens Cl, Br, I when placed in order of increasing e-affinity

A
Cl, Br, I

B
I, Br, Cl

C
Br, Cl , I

D
I , Cl , Br
Question 3
4 / -1

Fluorine is better oxidizing agent than Br₂, It is due to

A
Small size of F.

B
More e – repulsion in F.

C
More e – neg. in F.

D
Non – Metallic nature of F.
Question 4
4 / -1

Which statement is correct about halogens?

A
They are all diatomic

B
They are forming universal solvents

C
They can mutually displace each other from solution of their compound with metals.

D
None of above
Question 5
4 / -1

Which of following is most basic?

A
I

B
Br

C
Cl

D
F
Question 6
4 / -1

Which of following is not a green house gas?

A
CO₂

B
CH₄

C
O₃

D
N₂X
Question 7
4 / -1

In isolation of F., a number of difficulties were encounted. Which statement is correct?

A
Potential required for discharge of F. ions is the lowest.

B
F. reacts with most glass vessel

C
F has great affinity for H.

D
Electrolysis of aqueous HF gives ozonised O₂
Question 8
4 / -1

Chlorine gas is dried over

A
CaO

B
NaOH

C
KOH

D
Conc. H₂SO₄
Question 9
4 / -1

Chlorine is used in water for

A
Killing germs

B
Prevention of pollution

C
Cleansing

D
Removing dirt.
Question 10
4 / -1

Chlorine can not be used

A
As bleaching agent

B
Sterilisation

C
Preparation of antiseptic

D
Extraction of silver & copper

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P - Block Elements Test - 121

Result

P - Block Elements Test - 121

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Question 1

F

Cl

Br

I

Question 2

Cl, Br, I

I, Br, Cl

Br, Cl , I

I , Cl , Br

Question 3

Small size of F.

More e – repulsion in F.

More e – neg. in F.

Non – Metallic nature of F.

Question 4

They are all diatomic

They are forming universal solvents

They can mutually displace each other from solution of their compound with metals.

None of above

Question 5

I

Br

Cl

F

Question 6

CO2

CH4

O3

N2X

Question 7

Potential required for discharge of F. ions is the lowest.

F. reacts with most glass vessel

F has great affinity for H.

Electrolysis of aqueous HF gives ozonised O2

Question 8

CaO

NaOH

KOH

Conc. H2SO4

Question 9

Killing germs

Prevention of pollution

Cleansing

Removing dirt.

Question 10

As bleaching agent

Sterilisation

Preparation of antiseptic

Extraction of silver & copper

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CO₂

CH₄

O₃

N₂X

Electrolysis of aqueous HF gives ozonised O₂

Conc. H₂SO₄