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Answer question number 7. The question is in the image.

Answer question number 7. The question is in the image.-example-1

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Answer

(3) CnH2n

Step-by-step explanation

A straight-chain hydrocarbon that has only one double bond in each molecule has the general formula of that of the alkenes which is CnH2n.

Answer question number 7. The question is in the image.-example-1
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