Organic Chemistry
Resonance in benzene is accompanied by delocalization of $$\pi$$ electrons. Each $$\pi$$ electron is attached with
Among the following, the least stable resonance structure is :
Among the given resonance structures, the least stable resonance structure is given by option (A) as there is minimum charge separation.
Hence the correct option is A.
Resonance in benzene is accompanied by delocalization of $$\pi$$ electrons. Each $$\pi$$ electron is attached with
In benzene, all the C- C bonds have the same length because of_________.
Which of the following functional group shows $$+R$$ effect?
The correct order of stability for the given alkoxides is :
The "N" which does not contribute to the basicity for the compound is :
The correct stability order of the following resonance structures is: $$\underset{(I)}{H_2C=\overset{+}{N}=\overset{-}{N}}$$ $$\underset{(II)}{H_2\overset{+}{C}-N=\overset{-}{N}}$$ $$\underset{(III)}{H_2\overset{-}{C}-\overset{+}{N}\equiv N}$$ $$\underset{(IV)}{H_2\overset{-}{C}-N=\overset{+}{N}}$$
Which of the following group is sharp ortho and para directive?
The order of leaving group ability is : i. $$-OAc$$ ii. $$-OMe$$ iii. $$-OSO_4Me$$ iv. $$-OSO_2CF_3$$
Which of the following have +M effect ($$\bar { e }$$-donating mesomeric effect) ?
Which one of the following groups can exert both $$+ M$$ and $$- I$$ effect?