Free Printable Carbon and its compounds

1.

Which of the following is the molecular formula of cyclobutane?

a)

C₄H₁₀

b)

C₄H₆

c)

C₄H₈

d)

C₄H₄

2.

The property of self-linkage among identical atoms to form long chain compounds is known as

a)

Superposition

b)

Catenation

c)

Isomerisation

d)

Halogenation

3.

Carbon is

a)

divalent

b)

trivalent

c)

tetravalent

d)

pentavalent

4.

Covalent bonds

a)

have low melting and boiling point

b)

are generally poor conductors of electricity

c)

have weak inter-molecular forces

d)

All of the above

5.

—CHO represents the functional group

a)

esters

b)

carboxylic acid

c)

alcohols

d)

aldehydes

6.

$CH_3-CH=CH_2\ +\ H_2$ ,in this reaction,which hydrocarbon will be formed in the presence of Ni/Pt/Pd

a)

$CH_3-CH_2-CH_3\$

b)

$CH_3-CH_2-CH_2-CH_3$

c)

$CH_3-CH_3$

d)

$CH_3-CH=CH_2$

7.

$CH_3-CH_2-OH\ +\ 2\left[O\right]\ \rightarrow$ In the presence of Alkaline $KMnO_4$ or acidified $K_2Cr_2O_7$ will yield:

a)

$CH_3-CH_3$

b)

$CO_2\ +H_2O\ +Heat\ and\ Light$

c)

$CH_3COOH\ +\ H_2O$

d)

$CH_3-CH_2-CH_2-CH_3$

8.

Which of the following is not the example of natural polymers and its corresponding monomer?

a)

Natural rubber (isoprene)

b)

Starch (glucose)

c)

Cellulose (glucose)

d)

Protein (fatty acid)

9.

The isomeric pair is

a)

ethane and propane

b)

propane and butane

c)

ethane and ethane

d)

butane and 2-methyl propane

10.

Which of the following is used to oxidise ethanol to ethanoic acid?

a)

Alkaline KMnO₄

b)

Conc. H₂SO₄

c)

Acidified K₂Cr₂O₇

d)

All of above

11.

Covalent compounds

a)

have high melting and boiling point

b)

are mostly soluble in water

c)

are formed between atoms of metals and non-metals

d)

are formed by the sharing of electrons in the bonding atoms.

12.

Functional group – COOH is present in which of the following?

a)

Ketone

b)

Aldehyde

c)

Alcohol

d)

Carboxylic acid

13.

A hydrocarbon should have minimum of how many carbon atoms to show isomerism?

a)

Three

b)

Four

c)

Five

d)

Six

14.

Butanone is a carbon compound with the functional group

a)

carboxylic acid

b)

aldehyde

c)

ketone

d)

alcohol

15.

Complete combustion of hydrocarbon gives

a)

CO + H₂O

b)

CO₂ + H₂O

c)

CO + H₂

d)

CO₂ + H₂

16.

General formula of alkyne is

a)

C_nH_2n+2

b)

C_nH_2n

c)

C_nH_2n-2

d)

C_nH_2n-1

17.

Two successive homologus series differ by

a)

-CH

b)

-CH₂

c)

-CH₃

d)

-CH₄

18.

Which of the following is an unsaturated hydrocarbon

a)

Acetylene

b)

Butane

c)

Pentane

d)

Decane

19.

The IUPAC name of the above compound is:

a)

Heptyne

b)

Heptene

c)

Octyne

d)

Octane

20.

Micelles are_________.

a)

soap molecules in clean water

b)

drops of oil or dirt that surrounds the molecule

c)

a tadpole shaped fatty acid

d)

cluster of soap molecules surrounding the dirt particle

21.

The chlorination of methane, is an example of _________.

a)

addition reaction

b)

reduction reaction

c)

elimination reaction

d)

substitution chain reaction

22.

The IUPAC name of simplest alcohol is

a)

methanol

b)

ethanol

c)

ethyl alcohol

d)

methyl alcohol

23.

The functional group of ketones is

a)

COOH

b)

CH=O

c)

>C=O

d)

O

Carbon and its compounds

Total questions: 23

Worksheet time: 12mins

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