MCQ
An element in its native state will have the oxidation number :
- A$+1$
- B$2$
- ✓$0$
- D$−1$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(A) -CN$ $(B) -NO_2$ $(C) -NH_2$ $(D) -F$
| 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 ?