CARBON AND ITS COMPOUNDS (1)

What is the process in which oxygen is added and hydrogen is removed from a substance called?

• Combustion

• Substitution reaction

• Oxidation

• Addition reaction

Why are covalent compounds generally poor conductors of electricity?

• Due to the presence of free electrons

• Due to the presence of ionic bonds

• Due to the presence of strong intermolecular forces

• Due to the absence of free electrons

What is the name of the compound formed by the reaction of ethanol with sodium?

• Sodium hydroxide

• Sodium acetate

• Sodium ethanoate

• Sodium ethoxide

Which element exhibits the property of catenation to the maximum extent?

• Oxygen

• Nitrogen

• Carbon

• Hydrogen

What is the name and molecular formula of the first member of the alkane series?

• Methane, CH4

• Ethane, C2H6

• Butane, C4H10

• Propane, C3H8

What is the general formula for alkanes?

• CnH2n-1

• CnH2n+2

• CnH2n

• CnH2n-2

Which functional group is present in an aldehyde?

• —COH

• —OH

• —COOH

• —Cl

What is the structural formula of ethanol?

• C2H5OH

• C2H6OH

• CH3CH2OH

• CH5OH

Which compound belongs to the carboxylic acid family?

• Ethanol

• Propanal

• Butanone

• Ethanoic acid

What is the difference between the physical and chemical properties of carbon compounds?

• Physical and chemical properties are both determined by the alkyl group.

• Physical and chemical properties are both determined by the functional group.

• Physical properties are determined by the alkyl group, while chemical properties are determined by the functional group.

• Physical properties are determined by the functional group, while chemical properties are determined by the alkyl group.