Multiple Choice QuestionsIdentify the correct statements for a ring system to exhibit aromaticity
(i) It must not be planar
(ii) The ring must contain (4n+ 2)Π electrons.
(iii) The ring must be planar.
(iv) It must possess 4n Π electrons.
The correct answer is:
ii, iv
i, ii
i, iv
ii, iii
D.
ii, iii
For a compound to be aromatic statement (iii) and (ii) are must correct statement but statement (i) and (iv) are incorrect i.e
(ii) The ring must contain (4n+ 2)Π electrons.
(iii) The ring must be planar.
Aromatic properties of benzene are proved by
aromatic sextet theory
resonance theory
molecular orbital theory
All of the above
The correct order of stability of following carbocation is
(III) > (II) > (I) > (IV)
(II) > (III) > (I) > (IV)
(I) > (II) > (III) > (IV)
None of the above
Baeyer's reagent decolourises which of the following?
Alkane
Alkene
Alkene and alkyne both
None of the above
Alkene which on ozonolysis yields acetone, is
CH2=CH-CH2-CH3
CH3-CH=CH2
CH3-CH=CH-CH3
(CH3)2-C=C-(CH3)2
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