How many carbon atoms are present in a molecule of pentane?

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Solution

The correct option is C $5$
'Pent' refers to 5 carbons and 'ane' refers to alkane, hence, the formula of pentane is $C_{5} H_{12}$
$C H_{3} - C H_{2} - C H_{2} - C H_{2} - C H_{3}$
Hence, option $C$ is correct.

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How many carbon atoms are present in a molecule of pentane?

The correct option is C 5'Pent' refers to 5 carbons and 'ane' refers to alkane, hence, the formula of pentane is C5H12CH3−CH2−CH2−CH2−CH3Hence, option C is correct.

The correct option is C $5$
'Pent' refers to 5 carbons and 'ane' refers to alkane, hence, the formula of pentane is $C_{5} H_{12}$
$C H_{3} - C H_{2} - C H_{2} - C H_{2} - C H_{3}$
Hence, option $C$ is correct.