Benzene : Aromaticity, Kekule structure, resonance structure

Choose the correct statement(s) for aromatic compounds 

• They are cyclic and planer

• The follow Huckel's 4n rule

• They have conjugated double bonds

• They have  $\pi$ delocalized electrons

What is the minimum number of carbon for the simplest aromatic compound?

• 4

• 6

• 8

• 12

Which of the compounds is/are aromatic?

• 
• 
• 

What is the molecular formula of Benzene?

• C₆H₁₂
• C₆H₆
• C₆H₁₀
• C₈H₈

Benzene is ......

• trigonal planar

• boat shaped

• planar

• chair shaped

How many delocalised electron are there for each benzene molecules?

• 2
• 3
• 6
• 12

What is true about C-C  bond lengths in benzene?

• alternative longer and shorter length
• All the same length 
• All different length
• two are the same length and the third one is different

What did Kekulé suggest as a structure for benzene?

• A long, long chain of carbons and hydrogens with alternating single and double bonds between the carbons

• A 3D cage of carbons with a complex system of bonds between them, with one hydrogen attached to each carbon

• A ring of six carbons with alternating single and double bonds between the carbons, with one hydrogen atom bonded to each carbon

• A ring of six carbon atoms with a stable, delocalised system of s-electrons forming bonds between the carbons and the single hydrogen atom bonded to each carbon

How many sigma bonds are there in benzene

• 4

• 6

• 8

• 12

C-C bonds formed in benzene by

• Sp-S overlapping

• Sp2- sp Overlapping

• Sp2-Sp2 overlapping

• S-sp2 overlapping