Carbon and Its Compounds MCQ Test Online

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MCQ on Carbon and its Compounds for Students

In graphite carbon atoms are in

1. Tetra hendral arrangement

2. Hexagonal rings

3. Octahedral arrangement

4. Trigonal bi piramid shape

Option 2 – Hexagonal rings

Carbon dioxide is obtained as a by product in the manufacture of

1. Sugar

2. Alcohol

3. Polyethelene

4. Nylon

Option 2 – Alcohol

Dry Ice means

1. The solid carbon dioxide

2. The liquid carbon dioxide

3. The cool carbon dioxide

4. The freeged soda

Option 1 – The solid carbon dioxide

The unique properties of carbon are

1. Catenation

2. Isomerism

3. Formation of multiple bonds

4. All of these

Option 4 – All of these

Diamond is hard because of bond present …….. in it

1. Covalent

2. Ionic

3. Dative

4. Metallic

Option 1 – Covalent

Maximum covalency exhibited by Carbon is

1. 1

2.2

3.3

4.4

Option 4 – 4

Carbon has the highest catenation character because

1. C is more electronagative

2. C has higher ionisation potential value

3. C has only one stable isotope

4. C-C bond is strong

Option 4 – C-C bond is strong

Which is not an allotrope of carbon

1. Graphite

2. Diamond

3. Carborundum

4. Coke

Option 3 – Carborundum

Layer structure is present in

1. Graphite

2. Coal

3. Diamond

4. Coke

Option 1 – Graphite

Lead pencils contains

1. Graphite

2. Clay

3. Lead oxide

4. Graphite and clay

Option 4 – Graphite and clay

In diamond crystal each carbon atom is linked with of carbon carbon atoms. The number atoms linked is

1.2

2.4

3.3

4.1

Option 2 – 4

The inert form of carbon is

1. Charcoal

2. Coal

3. Graphite

4. Diamond

Option 4 – Diamond

Carbon forms a large number of compounds because

1. Fixed valency

2. Non-metallic nature

3. High ionization potential

4. High Catenation ability

Option 4 – High Catenation ability

In elemental form carbon is available as

1. Diamond

2. Graphite

3. Coal

4. All of these

Option 4 – All of these

Which of the following element exhibits allotropy

1. Nitrogen

2. Berelium

3. Carbon

4. Boran

Option 3 – Carbon

Which among the following allotropic forms of carbon is crystalline solid

1. Diamond

2. Coal

3. Coke

4. Lamp black

Option 1 – Diamond

Which among the following allotropic forms of Carbon is amorphous

1. Diamond

2. Graphite

3. (1) and (2)

4. Coal

Option 4 – Coal

The density of diamond is

1. 2.25 gm/cc

2. 3.51 gm/cc

3. 2.52 gm/c.c

4. 3.15 gm/cc

Option 2 – 3.51 gm/cc

The refractive index of diamond is

1. 4.3

2. 2.41

3. 4.5

4. 5.42

Option 2 – 2.41

Which of the following insoluble in water?

1. Diamond

2. Graphite

3. Both (1) and (2)

4. None of these

Option 3 – Both (1) and (2)

In diamond carbon atoms are in

1. Tetra hedral arrangement

2. Octogonal arrangement

3. Square planner arrangement

4. Linear arrangement

Option 1 – Tetra hedral arrangement

The following is used as a lubricant

1. Diamond

2. Graphite

3. Coal

4. Charcoal

Option 2 – Graphite

Which of the following is a good conductor of electricity

1. Graphite

2. Diamond

3. Coke

4. Charcoal

Option 1 – Graphite

The density of graphite is

1. 3.51 gm/c.c

2. 3.15 gm/c.c

3. 2.25 gm/c.c

4. 2.52 gm/c.c

Option 3 – 2.25 gm/c.c

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