Organic Chemistry - Some Basic Principles and Techniques questions
1502 published questions with worked solutions.
- Arrange NH_4^+, H_2O, H_3O^+, HF and OH^- in increasing order of acidic nature [BCECE 2006]
- Which of the following is a Lewis base? **[WB-JEE 2006]**
- Select the pK_a value of the strongest acid from the following
- The strongest Lewis base in the following is:
- Which one of the following substances has the highest proton affinity?
- Which acts as Lewis base in the reaction, BCl₃ + PH₃ → Cl₃B:PH₃?
- With HS⁻, I⁻, RNH₂, NH₃, the order of proton accepting tendency will be:
- With reference to protonic acids, the correct statement is:
- The compound HCl behaves as ... in the reaction, HCl + HF → H₂Cl⁺ + F⁻
- Ka for formic acid and acetic acid are 2.1×10⁻⁴ and 1.1×10⁻⁵ respectively. The relative strength of the acids is:
- HCl does not behave as acid in:
- The correct order of increasing basic nature of the given conjugate bases is:
- Nucleophiles are:
- Which is not a Lewis acid?
- The compound that does not act as Lewis acid, is:
- The weakest base among the following is:
- Which of the following describes the correct sequence for decreasing Lewis acid nature?
- The decreasing order of strength of the bases, OH⁻, NH₂⁻, H−C≡C⁻ and CH₃−CH₂⁻, is:
- Which of the following is least likely to behave as a Lewis acid?
- The strongest base among the following is:
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