What is the molecular formula of nonane, octane and decane respectively?

C_{9} H_{20}, C_{8} H_{18}, C_{10} H_{22}

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C_{10} H_{20}, C_{8} H_{18}, C_{9} H_{22}

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C_{8} H_{20}, C_{9} H_{18}, C_{10} H_{22}

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C_{9} H_{18}, C_{10} H_{18}, C_{8} H_{22}

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Solution

The correct option is A $C_{9} H_{20}, C_{8} H_{18}, C_{10} H_{22}$
The general formula of alkane is $C_{n} H_{2 n + 2}$ . So the molecular formula of nonane, octane and decane respectively are $C_{9} H_{20}, C_{8} H_{18}, C_{10} H_{22}$ .
Hence, the correct answer will be option (a).

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The equation for the burning of octane is:
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(i) How many moles of carbon dioxide are produced when one mole of octane burns?
(ii) What volume, at STP, is occupied by the number of moles determined in (i)?
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IUPAC System of Nomenclature

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What is the molecular formula of nonane, octane and decane respectively?

The correct option is A C9H20, C8H18, C10H22The general formula of alkane is CnH2n+2. So the molecular formula of nonane, octane and decane respectively are C9H20, C8H18, C10H22. Hence, the correct answer will be option (a).

The correct option is A $C_{9} H_{20}, C_{8} H_{18}, C_{10} H_{22}$
The general formula of alkane is $C_{n} H_{2 n + 2}$ . So the molecular formula of nonane, octane and decane respectively are $C_{9} H_{20}, C_{8} H_{18}, C_{10} H_{22}$ .
Hence, the correct answer will be option (a).