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pKa

3. Acids and Bases / pKa / Problem 1

Arrange the given compounds in increasing order of their basicity. Provide a suitable reason for your answer.

A

(Low basicity) HCOO⁻ < ⁻OH < CH₃CH₂O⁻ < ⁻NH₂ < ⁻CH₃ < Br⁻ < NO₃⁻ (High basicity)

B

(Low basicity) Br⁻ < NO₃⁻ < HCOO⁻ < ⁻OH < CH₃CH₂O⁻ < ⁻NH₂ < ⁻CH₃ (High basicity)

C

(Low basicity) Br⁻ < NO₃⁻ < CH₃CH₂O⁻ < ⁻NH₂ < HCOO⁻ < ⁻OH < ⁻CH₃ (High basicity)

D

(Low basicity) Br⁻ < NO₃⁻ < HCOO⁻ < ⁻NH₂ < ⁻CH₃ < ⁻OH < CH₃CH₂O⁻ (High basicity)

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