GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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CnH2n is the general formula for ____ series .i. Alkaneii. Alkeneiii. Cyclic alkaneiv. Cyclic alkene
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i and ii only
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ii only
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ii and iii only
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ii and iv only
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Explanation:
Detailed explanation-1: -The general formula of Saturated hydrocarbons is CnH2n.
Detailed explanation-2: -Alkenes are defined as either branched or unbranched hydrocarbons that possess at least one carbon–carbon double bond (CC) and have a general formula of CnH2n [1].
Detailed explanation-3: -The principle of homology allows us to write a general formula for alkanes: CnH2n + 2. Using this formula, we can write a molecular formula for any alkane with a given number of carbon atoms. For example, an alkane with eight carbon atoms has the molecular formula C8H(2 × 8) + 2 = C8H18.
Detailed explanation-4: -The molecules of alkene family are represented by a general formula CnH2n.
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