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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$(A)\, CH_3 - CH_2 - C \equiv C^-$ $(B) \,CH_3 -CH_2 - S^-$
$(C) \,CH_3 - CH_2 - CO^-_2$ $(D)\, CH_3 -CH_2 - O^-$

