Carbon and its Compounds Test

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Carbon and its Compounds Test - 29

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Weekly Quiz Competition

Question 1
1 / -0

Compounds belonging to a homologous series have the same

A
number of carbon atoms

B
functional group

C
number of hydrogen atoms

D
none of above

Solution

Compounds within a homologous series typically have a fixed set of functional groups that gives them similar chemical and physical properties.
Question 2
1 / -0

Carbon forms bonds with another element by :

A
transferring of electrons.

B
sharing of electrons.

C
Both A and B.

D
None of the above.

Solution

Carbon shares electrons while making compounds. The carbon atom by sharing its electrons with the other atom forms a covalent bond.
It does not transfer its electrons to other ions.

Hence, the correct option is $$B$$.
Question 3
1 / -0

What is the IUPAC name of the compound $$CH_3CH_2CH_2CH_2NH_2$$?

A
Pentanamine

B
Aminobutane

C
Butanamine

D
Butanamide

Solution

Longest chain consists of 4 carbon atoms and it has an amine functional group. The name of the compound is butanamine.
Question 4
1 / -0

The first step in naming carbon compounds is to:

A
determine the parent chain

B
name the substituents

C
count the number of branched chains

D
None of these

Solution

When naming carbon compounds, we first need to start by counting the number of carbon atoms so that we can locate the longest carbon chain or the parent chain.
Question 5
1 / -0

Addition reaction of alkenes and alkynes leads to:

A
polymerisation

B
saturation

C
unsaturation

D
catalyzation

Solution

Addition reactions are typical of unsaturated organic compounds, i.e., alkenes, which contain a carbon-carbon double bond, and alkynes, which have a carbon-carbon triple bond. Addition reactions to alkenes and alkynes are sometimes called saturation reactions because the reaction causes the carbon atoms to become saturated with the maximum number of attached groups.
Question 6
1 / -0

On earth, all living cells are _______ based.

A
carbon

B
nitrogen

C
oxygen

D
helium

Solution

All known living beings on earth are made of cells whose primary component is carbon. So, all living creatures are carbon based life forms.
Question 7
1 / -0

Which of the following rules should be followed while identifying parent chain?

A
Maximum number of multiple bonds

B
Maximum length of chain

C
Maximum number of single bonds

D
All of above

Solution

The parent chain must obey the following rules, in order of precedence:
It should have the maximum number of substituents of the suffix functional group.
It should have the maximum number of multiple bonds.
It should have the maximum number of single bonds.
It should have the maximum carbon chain length.
Hence option $$D$$ is correct.
Question 8
1 / -0

Reagents used for oxidation of carbon compounds are:

A
acidified $$K_{2}Cr_{2}O_{7}$$

B
alkaline $$KMnO_{4}$$

C
both $$A$$ and B

D
none of these

Solution

Oxidation is a process of intake of oxygen and the removal of hydrogen.
Some substances are capable of adding oxygen to others. These substances are known as oxidizing agents. Examples are alkaline potassium permanganate $$(KMnO_{4})$$ or acidified potassium dichromate $$(K_{2}Cr_{2}O_{7})$$
Option $$C$$ is correct.
Question 9
1 / -0

Saturated carbon compounds are usually not very reactive because :

A
$$C-C$$ are very weak

B
$$C-C$$ are very strong

C
They require heat for reaction

D
Both A and C

Solution

Saturated carbon compounds are usually not very reactive because the carbon-carbon single bonds are very strong.
Question 10
1 / -0

The most common characteristics of homologous series is increase in the number of:

A
propyl units

B
methyl units

C
methylene units

D
butyl units

Solution

The most common characteristic of homologous series is increase in the number of methylene $$(-CH_{2}-)$$ units in saturated chain within the molecule.

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Carbon and its Compounds Test - 29

Result

Carbon and its Compounds Test - 29

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SHARING IS CARING

Question 1

number of carbon atoms

functional group

number of hydrogen atoms

none of above

Solution

Question 2

transferring of electrons.

sharing of electrons.

Both A and B.

None of the above.

Solution

Question 3

Pentanamine

Aminobutane

Butanamine

Butanamide

Solution

Question 4

determine the parent chain

name the substituents

count the number of branched chains

None of these

Solution

Question 5

polymerisation

saturation

unsaturation

catalyzation

Solution

Question 6

carbon

nitrogen

oxygen

helium

Solution

Question 7

Maximum number of multiple bonds

Maximum length of chain

Maximum number of single bonds

All of above

Solution

Question 8

acidified $$K_{2}Cr_{2}O_{7}$$

alkaline $$KMnO_{4}$$

both $$A$$ and B

none of these

Solution

Question 9

$$C-C$$ are very weak

$$C-C$$ are very strong

They require heat for reaction

Both A and C

Solution

Question 10

propyl units

methyl units

methylene units

butyl units

Solution

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