Haloalkanes and Haloarenes Test

Result

Haloalkanes and Haloarenes Test - 13

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Weekly Quiz Competition

Question 1
1 / -0

Freon (dichlorodifluoro methane) is used

A
As local anesthetic

B
For dissolving impurities in metallurgical process

C
In refrigerator

D
In printing industry

Solution

Freon (CCl₂F₂) is an odourless, non-corrosive, non toxic gas which is stable even at high temperatures and pressures. It has low b.Pt, low specific heat and can be easily liquified by applying Pressure at room temperature. It is therefore, widely used in refrigerant (cooling agent) in refrigerators and air conditioners.
Question 2
1 / -0

Iodoform can be used as

A
Anaesthetic

B
Antiseptic

C
Analgesic

D
Antifebrin

Solution

Iodoform is used as an antiseptic for dressing wounds. When it comes in contact with skin (organic matter), Iodine is set free which responsible for antiseptic action.
Question 3
1 / -0

Use of chlorofluoro carbons is not encouraged because

A
They are harmful to the eyes of people that use it

B
They damage the refrigerators and air conditioners

C
They eat away the ozone in the atmosphere

D
They destroy the oxygen layer

Solution

Chlorofluorocarbon is used in air-conditioning and in domestic refrigerators for cooling purposes. Its main drawback is this; it is responsible for ozone depletion.
Question 4
1 / -0

Phosgene is the common name for

A
CO₂ and PH₃

B
Phosphoryl chloride

C
Carbonyl chloride

D
Carbon tetrachloride

Solution

COCl₂ carbonyl chloride is commonly called as phosgene.
Question 5
1 / -0

War gas is formed from

A
PH₃

B
C₂H₂

C
Zinc phosphate

D
Chloropicrin

Solution

CHCl₃+ HO − NO₂→ CCl₃NO₂+ H₂O

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Re-Attempt Weekly Quiz Competition

Haloalkanes and Haloarenes Test - 13

Result

Haloalkanes and Haloarenes Test - 13

Score

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Rank

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SHARING IS CARING

Question 1

As local anesthetic

For dissolving impurities in metallurgical process

In refrigerator

In printing industry

Solution

Question 2

Anaesthetic

Antiseptic

Analgesic

Antifebrin

Solution

Question 3

They are harmful to the eyes of people that use it

They damage the refrigerators and air conditioners

They eat away the ozone in the atmosphere

They destroy the oxygen layer

Solution

Question 4

CO2 and PH3

Phosphoryl chloride

Carbonyl chloride

Carbon tetrachloride

Solution

Question 5

PH3

C2H2

Zinc phosphate

Chloropicrin

Solution

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Question Analysis

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CO₂ and PH₃

PH₃

C₂H₂