
How many energetically equivalent resonance structures exist for the oxalate dianion?



Important Questions on Organic Chemistry- Some Basic Principles and Techniques

The most acidic proton and the strongest nucleophilic nitrogen in the following compound
respectively, are


Among the given species the Resonance stabilised carbocations are:


Given below are two statements :
Statement I : Hyperconjugation is a permanent effect.
Statement II : Hyperconjugation in ethyl cation involves the overlapping of bond with empty orbital of other carbon.
Choose the correct option:

The chlorine atom of the following compound
that reacts most readily with to give a precipitate is

The following effect is known as___






(i)
(ii)
(iii)
(iv)



The order of stability among the following alkenes is:
i
ii
iii
iv

The correct order of decreasing of reactivity towards of the following compounds is




Hyperconjugation occurs in:

