MCQ
Circle represents most basic atoms in these molecule. Which of the following is correct representation ?
- A

- B

- C

- ✓All of these



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$(1)$ $BeCl _2, CO _2, BCl _3, CHCl _3$
$(2)$ $SO _2, C _6 H _5 Cl , H _2 Se , BrF _5$
$(3)$ $BF _3, O _3, SF _6, XeF _6$
$(4)$ $NO _2, NH _3, POCl _3, CH _3 Cl$
${C_6{H_5}N{H_2}}\xrightarrow{{{{(Ac)}_2}O}}$$X\xrightarrow{{B{r_2}/CC{l_4}}}Y\xrightarrow{{HOH}}Z$