Chemistry Test

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Chemistry Test - 27

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Weekly Quiz Competition

Question 1
1 / -0

A

– 2.69 V; the reaction will not occur

B

– 0.33 V; the reaction will not occur

C

– 0.33 V; the reaction will occur

D

– 2.69 V; the reaction will occur
Question 2
1 / -0

A

Option 3

B

Option 2

C

Option 4

D

Option 1
Question 3
1 / -0

A

– 1361.95 kJ mol^–1

B

–1460.50 kJ mol^–1

C

– 1350.50 kJ mol^–1

D

– 1366.95 kJ mol^–1
Question 4
1 / -0

The species which can best serve as an initiator for the cationic polymerization is :

A

AlCl3

B

BuLi

C

HNO3

D

None of these
Question 5
1 / -0

Ortho–Nitrophenol is less soluble in water than p– and m– Nitrophenols because :

A

o–Nitrophenol is more volatile in steam than those of m – and p–isomers

B

o–Nitrophenol shows Intramolecular H–bonding

C

o–Nitrophenol shows Intermolecular H–bonding

D

Melting point of o–Nitrophenol is lower than those of m–and p–isomers.
Question 6
1 / -0

Very pure hydrogen (99.9%) can be made by which of the following processes ?

A

Electrolysis of water

B

Reaction of salt like hydrides with water

C

Mixing natural hydrocarbons of high molecular weight

D

Reaction of methane with steam
Question 7
1 / -0

The pH of a 0.1 molar solution of the acid HQ is 3. The value of the ionization constant, Ka of this acid is :

A

1 x 10^-7

B

1 x 10^-3

C

1 x 10^-5

D

3 x 10^-1
Question 8
1 / -0

A

Option 1

B

Option 2

C

Option 3

D

Option 4
Question 9
1 / -0

The ratio of masses of oxygen and nitrogen in a particular gaseous mixture is 1 : 4. The ratio of number of their molecule is:

A

7 : 32

B

3 : 16

C

1 : 4

D

1: 8
Question 10
1 / -0

What is DDT among the following :

A

Non–biodegradable pollutant

B

Biodegradable pollutant

C

Greenhouse gas

D

A fertilizer

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Re-Attempt Weekly Quiz Competition

Chemistry Test - 27

Result

Chemistry Test - 27

Score

-

Rank

-

SHARING IS CARING

Question 1

– 2.69 V; the reaction will not occur

– 0.33 V; the reaction will not occur

– 0.33 V; the reaction will occur

– 2.69 V; the reaction will occur

Question 2

Option 3

Option 2

Option 4

Option 1

Question 3

– 1361.95 kJ mol^–1

–1460.50 kJ mol^–1

– 1350.50 kJ mol^–1

– 1366.95 kJ mol^–1

Question 4

AlCl3

BuLi

HNO3

None of these

Question 5

o–Nitrophenol is more volatile in steam than those of m – and p–isomers

o–Nitrophenol shows Intramolecular H–bonding

o–Nitrophenol shows Intermolecular H–bonding

Melting point of o–Nitrophenol is lower than those of m–and p–isomers.

Question 6

Electrolysis of water

Reaction of salt like hydrides with water

Mixing natural hydrocarbons of high molecular weight

Reaction of methane with steam

Question 7

1 x 10^-7

1 x 10^-3

1 x 10^-5

3 x 10^-1

Question 8

Option 1

Option 2

Option 3

Option 4

Question 9

7 : 32

3 : 16

1 : 4

1: 8

Question 10

Non–biodegradable pollutant

Biodegradable pollutant

Greenhouse gas

A fertilizer

User

Question Analysis

My Perfomance

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Rank

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