Which of the ...

Question

Which of the following are correct structural isomers of butane?

(i) and (iii)

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(ii) and (iv)

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(i) and (ii)

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(iii) and (iv)

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Solution

The correct option is A (i) and (ii)
(i) $n - b u t a n e$ and (ii) $i s o - b u t a n e$ are structural isomer of butane.

(iii) and (iv) are cycloalkanes which have different molecular formulas and Hydrogen is making two bonds which is not possible therefore, these are not isomers of butane.

Hence the correct option is C.

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Similar questions

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(i)

(ii)

(iii)

(iv)

(a) (i) and (iii)
(b) (ii) and (iv)
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Q. Question 5
Which of the following are correct structural isomers of butane?
(i)

(ii)

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(a) (i) and (iii)
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solve the following :

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