HYDROCARBONS

Hydrocarbons are compounds that contain

•   Carbon and Nitrogen
• Carbon and Hydrogen 
•   Carbon, and Oxygen
• Carbon, Oxygen, and  Hydrogen 

Tags

NGSS.HS-LS1-6

All alkanes are soluble in water

• true
• false
• depends on the number of carbons and branching
• depends of the temperature

As the number of carbons increases in an homologous series the melting point generally...

• increase
• decrease
• stay the same
• varies

Which of the following undergoes addition reactions

• alkanes
• alkanes and alkenes
• alkanes and alkynes
• alkenes

If an alkene reacts with a halogen, it is known as what type of reaction?

• Addition

• Combustion

• Polymerisation

• Hydrogenation

Both alkanes and alkenes react rapidly with aqueous bromine at room temperature.

• True
• False

Which of the following is correct about structural isomers?

• They have different molecular formulas
• They must have any double or triple bonds in the same position
• They can be either positional or chain isomers
• They must have the same length main chain

Reaction between this compound and two mole of H₂ in the presence of Ni catalyst will produce

• 3-methylbutene

• 3-methylbutane

• 2-methylbutane

• 2-methylbutene

• n-butane

State the type of reaction of the above reaction.

• Nucleophilic Addition Reaction

• Electrophilic Substitution reaction

• Free Radical Substitution reaction

• Rearrangement

How many steps of mechanism for Free Radical Substitution Reaction of Alkane.

• 1

• 2

• 3

• 4