MCQ
Which of the following order is correct


- A$a, b, c$
- B$b, c$
- C$b, c, d$
- ✓$a, b, c, d$


Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

| Period number | Group number | |
| $P$ | $2$ | $15$ |
| $Q$ | $3$ | $2$ |
Then formula of the compound formed by $P$ and $Q$ element is
$A\,\xrightarrow{{{k_1}}}B$ ${k_1}\, = \,1.26\, \times \,{10^{ - 4}}\,{S^{ - 1}}$
$A\,\xrightarrow{{{k_2}}}C$ ${k_2}\, = \,3.8\, \times \,{10^{ - 5}}\,{S^{ - 1}}$
