The correctly matched pairs of the following | vedclass

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(B) Neopentane $(CH_3)_4C$ and Isopentane $(CH_3)_2CHCH_2CH_3$ are chain isomers,not position isomers. So,$(A)$ is incorrect.$(B)$ Isopentane $(CH_3)_

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$B$ and $C$

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(B) Neopentane $(CH_3)_4C$ and Isopentane $(CH_3)_2CHCH_2CH_3$ are chain isomers,not position isomers. So,$(A)$ is incorrect.$(B)$ Isopentane $(CH_3)_2CHCH_2CH_3$ has three primary carbons (at the ends of the branches). So,$(B)$ is correct.$(C)$ Isobutylene $(CH_3)_2C=CH_2$ has one primary carbon (in the $CH_2$ group) and two primary carbons (in the $CH_3$ groups). It has no secondary carbon. So,$(C)$ is correct.$(D)$ Isobutane $(CH_3)_3CH$ has three primary carbons. So,$(D)$ is incorrect.Therefore,the correct pairs are $(B)$ and $(C)$.

The correctly matched pairs of the following are given by the sets $:$
$(A)$ Neopentane $-$ position isomer of isopentane
$(B)$ Isopentane $-$ three primary carbon atoms
$(C)$ Isobutylene $-$ no secondary carbon
$(D)$ Isobutane $-$ two primary carbons

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The correctly matched pairs of the following are given by the sets $:$$(A)$ Neopentane $-$ position isomer of isopentane$(B)$ Isopentane $-$ three primary carbon atoms$(C)$ Isobutylene $-$ no secondary carbon$(D)$ Isobutane $-$ two primary carbons