MCQ
Which colourless gas evolves, when $N{H_4}Cl$ reacts with zinc in a dry cell battery
- A$N{H_4}$
- B${N_2}$
- ✓${H_2}$
- D$C{l_2}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| List$-I$ (Oxoacids of Sulphur) | List$-II$ (Bonds) |
| $A$. Peroxodisulphuric acid | $I$. Two $S - OH$, Four $S = O$, One $S - O - S$ |
| $B$. Sulphuric acid | $II$. Two $S - OH$, One $S = O$ |
| $C$. Pyrosulphuric acid | $III$. Two $S - OH$, Four $S = O$, One $S - O - O - S$ |
| $D$. Sulphurous acid | $IV$. Two $S - OH$, Two $S = O$ |
Choose the correct answer from the options given below.


$(I)\,\,PCl_3$ hydrolyses in the presence of moisture giving fumes of $HCl$
$(II)\,\,PCl_5$ exists as $[PCl_4]^-[PCl_6]^+$ in solid state
$(III)$ All the five bonds in $PCl_5$ molecule are equivalent
Choose the correct statements