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  • Which of the following are correct structural isomers of butane?

Which of the following are correct structural isomers of butane?

(a) (i) and (iii)

(b) (ii) and (iv) 

(c) (i) and (ii)

(d) (iii) and (iv)

Answers (1)

Answer:(c)

Solution: Structural isomers: two or more organic compounds having the same molecular formulas but different structures.

Butane: C_4H_{10}

Structure (i) is n-butane. It is a structural isomer of butane.

Structure (iii) is iso-butane. It is a structural isomer of butane.

Other structures, i.e., (ii) and (iv) have different molecular formula, hence incorrect

Therefore, option (c) is correct.

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infoexpert21

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