Unit#8: Organic Chemistry

1

Which suffix is used for alkynes?

A -ane B -ene C -yne D -ol

2

Which hydrocarbon contains a triple bond?

A Alkane B Alkene C Alkyne D Alcohol

3

Which bond is present in alkenes?

A Single bond only B Double bond C Triple bond D Ionic bond

4

What is the functional group of esters?

A -COOH B -COO- C -OH D -CHO

5

Which compound is an alcohol?

A CH3COOH B C2H5OH C CH3COOCH3 D C2H4

6

Which hydrocarbon has at least one double bond?

A Alkane B Alkene C Alkyne D Cycloalkane

7

Which functional group is written as -COO-?

A Alcohol B Aldehyde C Ester D Ketone

8

What is the molecular formula of propane?

A C2H6 B C3H8 C C3H6 D C4H10

9

Which compound has the suffix '-oic acid'?

A Alcohol B Alkane C Carboxylic acid D Ester

10

Which functional group determines the chemical properties of organic compounds?

A Carbon chain B Hydrogen atom C Functional group D Molecular mass

11

Which formula shows the arrangement of atoms in a molecule?

A Molecular formula B Empirical formula C Structural formula D General formula

12

What does a molecular formula show?

A Arrangement of atoms B Number of each type of atom C Shape of molecule D Type of bonds only

13

Which functional group is present in alcohols?

A -COOH B -CHO C -OH D -COO-

14

Which compound has the suffix '-ol'?

A Alkene B Alcohol C Carboxylic acid D Ester

15

Which compound is saturated hydrocarbon?

A Ethene B Ethyne C Ethane D Propene

16

What is the general formula of alkynes?

A CnH2n+2 B CnH2n C CnH2n-2 D CnHn+2

17

What is the general formula of alkanes?

A CnH2n B CnH2n-2 C CnH2n+2 D CnHn

18

Which compound is an ester?

A CH3COOH B C2H5OH C CH3COOCH3 D C3H8

19

What is the IUPAC name of CH3OH?

A Methanal B Methanoic acid C Methanol D Methanone

20

What is the molecular formula of ethene?

A C2H6 B C2H4 C C2H2 D C3H6

21

Which compound is unsaturated?

A Methane B Ethane C Ethene D Propane

22

Which suffix is used for alkenes?

A -ane B -yne C -ene D -oic

23

Which suffix is used for alkanes?

A -ene B -yne C -ane D -ol

24

Which suffix is used for carboxylic acids?

A -ol B -one C -oic acid D -al

25

Which homologous series differs by -CH2- unit?

A Inorganic compounds B Organic compounds C Ionic compounds D Metallic compounds