MCQ
In organic compounds, nitrogen is tested in Lassaigne's test as
- A$NaN{H_2}$
- ✓$NaCN$
- C$NaN{O_2}$
- D$NaN{O_3}$
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${R_2}SiC{l_2} + {H_2}O \to (1)\xrightarrow{{polymerisation}}(2)$
Compound $(2)$ in above reaction is
| List-$I$ | List-$II$ |
| $P$ In process $I$ | $1$ Work done by the gas is zero |
| $Q$ In process $II$ | $2$ Temperature of the gas remains unchanged |
| $R$ In process $III$ | $3$ No heat is exchanged between the gas and its surroundings |
| $S$ In process $IV$ | $4$ Work done by the gas is $6 P _0 V _0$ |

trans $\left( Ph - CH = CH - CH _3\right) \rightarrow$ cis $\left( Ph - CH = CH - CH _3\right)$
