Consider the following four compounds I, II, III, and IV. array l I II III IV array…
Chemistry · JEE Advanced · NTA Exams — Basic Principles of Organic Chemistry
Consider the following four compounds I, II, III, and IV.
\[\begin{array}{l} \\ \text { I }\\ \\ \text { II }\\ \\ \text { III }\\ \\ \text { IV } \end{array}\]
Choose the correct statement(s). (2020/Shift-2)
\[\begin{array}{l} \\ \text { I }\\ \\ \text { II }\\ \\ \text { III }\\ \\ \text { IV } \end{array}\]
Choose the correct statement(s). (2020/Shift-2)
- The order of basicity is II > I > III > IV.
- The magnitude of \(\mathrm{pK}_{\mathrm{b}}\)difference between I and II is more than that between III and IV.
- Resonance effect is more in III than in IV.
- Steric effect makes compound IV more basic than III.
Answer
(C) Resonance effect is more in III than in IV., (D) Steric effect makes compound IV more basic than III.
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