MCQ
$C_{60},$ an allotrope of carbon contains
- ✓$20$ hexagons and $12$ pentagons.
- B$12$ hexagons and $20$ pentagons
- C$18$ hexagons and $14$ pentagons
- D$16$ hexagons and $16$ pentagons
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| Acid | $HF$ | $HCL$ | $HBr$ | $HI$ |
| $K_a$ | $7.2 \times 10^{-4}$ | $1 \times 10^6$ | $1 \times 10^9$ | $3 \times 10^{11}$ |
Which of these Bronsted acids would have the weakest conjugate base ?