It states that a compound is said to be aromatic if it contains electrons, where n is a whole number of ring compounds. For example; cyclopropenyl cation. Here n = 0;
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52.
Name three heterocyclic compounds which are aromatic in nature.
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53.
Will cyclo-octatetraene show aromatic character?
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54.
Cyclobutadiene is not aromatic. Explain.
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55.
what are annulenes? Give one example.
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56.
Which of the following exhibits aromaticity: (i) Cyclo - octatetraene (ii) Cyclopentadiene (iii) Tropylium cation?
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57.
Give two examples of ions which are non-aromatic. Why don't they exhibit aromaticity?
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58.
Is benzene same as 1, 3, 5-cyclohexatriene?
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59.
What is the role of catalyst in electrophilic substitution reactions?
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60.
Name the catalysts used in electrophilic aromatic substitution reactions.
Short Answer Type
electrons, where n is a whole number of ring compounds. For example; cyclopropenyl cation.
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