MCQ
Which of the following elements will have the lowest electron affinity
- ANitrogen
- BFlourine
- CChlorine
- ✓Phosphorus
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| $List-I$ | $List-II$ |
| $A$ $\left( NH _{4}\right)_{2} Cr _{2} O _{7} \stackrel{\Delta}{\longrightarrow}$ | $I$ $H _{2}$ |
| $B$ $KMnO _{4}+ HCl \rightarrow$ | $II$ $N _{2}$ |
| $C$ $Al + NaOH + H _{2} O \rightarrow$ | $III$ ${ O _{2}}$ |
| $D$ $NaNO _{3} \stackrel{\Delta}{\longrightarrow}$ | $IV$ ${ Cl _{2}}$ |
Choose the correct answer from the options given below.
$[A_0]$ $||$ $0.1$ $||$ $0.025$
$t_{1/2}(s)$ $||$ $100$ $||$ $50$
Which of the following option $(s)$ is / are correct
${C_2}{H_5}ONa + I{C_2}{H_5}\xrightarrow{{}}{C_2}{H_5}O{C_2}{H_5} + NaI$