(i) $$\mathrm{F}_3 \mathrm{C}-\mathrm{COOH}$$, (ii) $$\mathrm{CH}_3 \mathrm{COOH}$$, (iii) $$\mathrm{C}_6 \mathrm{H}_5 \mathrm{COOH}$$, (iv) $$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}$$ Correct order of $$\mathrm{p} K_a$$ value is
- A(i) > (iii) > (ii) > (iv)
- B(iv) > (ii) > (iii) > (i)
- C(iv) > (iii) > (ii) > (i)
- D(i) > (ii) > (iv) > (iii)
✓ Correct answer: B
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