Muskan-Neev-18/05/24

What are isomers?

• Compounds with the same molecular weight but different structural arrangements

• Compounds with the same molecular formula but different structural arrangements.

• Compounds with different molecular formulas and structural arrangements

• Compounds with the same molecular formula and identical structural arrangements

How many carbon atoms are present in a molecule of an alkane?

• The number of carbon atoms in an alkane molecule is equal to the subscript of 'C' in the formula.

• The number of carbon atoms in an alkane molecule is equal to the subscript of 'O' in the formula

• The number of carbon atoms in an alkane molecule is always 10

• Alkanes do not contain any carbon atoms

What is the general formula for alkenes?

• CnH2n

• CnHn-2

• CnHn

• CnHn+2

Which type of hydrocarbons contain a triple bond?

• Alkenes

• Aromatics

• Alkanes

• Alkynes

Which functional group is present in alcohols?

• Carbonyl group (-C=O)

• Sulfhydryl group (-SH)

• Hydroxyl group (-OH)

• Amino group (-NH2)

What is the functional group present in aldehydes?

• -NH2

• -OH

• -CHO

• -COOH

What are cyclic compounds?

• Cyclic compounds are compounds with linear structures.

• Cyclic compounds are compounds where the atoms are connected in a ring structure rather than a straight chain.

• Cyclic compounds are compounds with only one atom.

• Cyclic compounds are compounds with no ring structures.

Name an allotrope of carbon that forms in the shape of a sphere.

• Amorphous carbon

• Fullerene

• Graphene

• Diamond

How many covalent bonds are present in hexane?

• 15

• 17

• 19

• 18

What is the difference between alkanes and alkenes?

• Alkanes are unsaturated hydrocarbons, whereas alkenes are saturated hydrocarbons.

• Alkanes are more reactive than alkenes due to the presence of double bonds.

• Alkanes have only single bonds, whereas alkenes have at least one double bond.

• Alkanes have only double bonds, whereas alkenes have at least one single bond.