1.

Write the name of the compound having the following formula:CH_3 - CH_2 - CH_2 - CH_2 - CH_3

Answer»

Solution : IUPAC parts of the complete name of the structural formula: Root word, Primary suffix, SECONDARY suffix, Prefix.
(i) There are 5 C atoms in the chain. Therefore, root word = pent. (1) Only C-C covalent bonds are present in the chain. Therefore, primary suffix is ane. (iii) There is no FUNCTIONAL group and substituent with the parent chain. Therefore, secondary suffix and prefix are not involved.
Thus the IUPAC name of the given compound is DERIVED as:
Root word + Primary suffix
Pent + ane = Pentane


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