Question
Match List-I with List-II.
| List-I | List-II | ||
|---|---|---|---|
| (A) | |
I. | $B{r_2}$ in $C{S_2}$ |
| (B) | |
II. | $N{a_2}C{r_2}{O_7}/{H_2}S{O_4}$ |
| (C) | |
III. | $Zn$ |
| (D) | |
IV. | $CHC{l_3}/NaOH$ |
Choose the correct answer from the options given below :