Saturated Unsaturated Hydrocarbons

What is the general formula for saturated hydrocarbons?

• C_nH_2n
• C_nH_n+1
• C_nH_2n+1
• C_nH_2n+2

What is the IUPAC name of C₅H₁₂?

• Pentane
• Hexane
• Butane
• Heptane

Which of the following alkanes has the name of 2-bromo-1-iodo butane? 

• CH₂Br CHI CH₂ CH₃
• CH₃ CHBr CH₂ CH₂I
• CH₂I CHBr CH₂ CH₃
• CH₃ CHBr CHI CH₂

• 2,3-dimethyl-4,4-diethyl heptane
• 2,3-methyl-4,4-ethyl heptane
• 4,4-ethyl-2,3-methyl heptane
• 4,4-diethyl-2,3-dimethyl heptane

• 4-ethyl-6-methyl nonane
• 3-propyl-5-methyl octane
• 2,4-dipropyl hexane
• 4-ethyl-2-propyl heptane

Tags

NGSS.HS-PS1-3

How many isomers does pentane have?

• 2
• 3
• 5
• 9

Which of the following alkane is in gaseous state at room temperature?

• pentane
• butane
• hexane
• decane

Why do alkane not dissolve in water?

• they are less dense than water
• they have low melting points
• they are non-polar compounds 
• they are chemically less reactive

Which of the followings is the one of preparation methods of alkanes? 

• Oxidizing alkenes in acid
• Hydrogenating alkynes
• Reducing alcohols
• Decomposing unsaturated hydrocarbones

What is the general formula of the alkynes?

• C_nH_2n+1
• C_nH_2n+2
• C_nH_2n-1
• C_nH_2n-2