Why are all C - C bond lengths in benzene equal? from Chemistry

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 Multiple Choice QuestionsShort Answer Type

41.

How will you represent a benzene molecule?

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42.

How many isomeric disubstitution derivatives are possible for benzene molecule?

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43.

Write the formulae and names of all possible isomers of arenes having the molecular formula C8H10.

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44.

What is the state of hybridization of carbon atoms in:

(iii) – C ≡ C –
(iv) C – C bond in benzene ?

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45.

How many σ and straight pi bonds are present in the following structure

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46.

What does the dotted circle inside the benzene ring indicate?

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47.

Why are all C - C bond lengths in benzene equal?


Due to the resonance all C-C bond lengths in benzene equal.

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48.

What is delocalisation?

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49.

What is delocalisation energy?

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50.

What is aromaticity?

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