Benzene. Aromatic hydrocarbons

What is the chemical formula of benzene?

• CH4

• C6H6

• C2H6

• C2H5OH

What is the color of benzene?

• colorless

• yellow

• green

• brown

Physical state of benzene:

• plasma

• solid

• gaseous

• liquid

Which of the following statements is correct about benzene?

• All 6 carbon atoms lie in the same plan

• The C-C bond lengths are all the same

• It has delocalized electrons

• All of them

How many double bonds in the benzene molecule?

• 1

• 2

• 3

• 4

Is benzene is toxic or non-toxic?

• toxic

• non-toxic

The second name of aromatic hydrocarbons:

• Alkanes

• Alkenes

• Arenes

• Alkynes

Who first discovered benzene?

• Mendeleev

• Faraday

• Edison

• Einstein

Who discovered benzene's stable structure?

• Faraday

• Lomonosov

• Kekule

• Priestley

What is the chemical compounds produced after reaction between C6H5COONa with NaOH?

• Na

• C6H6

• H2O

• C6H5OH