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  4. Rank the compounds given below in order of decreasing basicity <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/c-didtzgizyayo.png />

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Q. Rank the compounds given below in order of decreasing basicity

Question

NTA AbhyasNTA Abhyas 2020Organic Chemistry – Some Basic Principles and Techniques

Solution:

Here the correct of basicity is

Solution

III is the weakest base since it is resonance stabilized and both resonance structures have negative charge on more electronegative (oxygen) atom.

I is weaker base than II since former has resonance stability.