MCQ
In neutral atom, which particles are equivalent
- A${p^ + },\,{e^ + }$
- B${e^ - },\,{e^ + }$
- ✓${e^ - },{p^ + }$
- D${p^ + },{n^o}$
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$(1)\,CH_3C \equiv C - CH_3$ $(2)\,CH_3CH_2 -CH_2 -CH_3$
$(3)\, CH_3CH_2C \equiv CH$ $(4)\, CH_3CH = CH_2$
Reason : Addition of $HBr$ on $2-$ butene follows Markovnikov rule.