MCQ
Which of the following species has the highest electron affinity
- ✓$F$
- B$O$
- C${O^ - }$
- D$N{a^ + }$
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(Atomic No. $Y = 39$, $La = 57$, $Eu = 63$, $Lu = 71$)
$RCOOAg \xrightarrow{{B{r_2}/\Delta }} R-Br$
which one of the following acid will give maximum yield of $R-Br$ in the above reaction?