How many methyl groups are present in 2, 5-Dimethyl-4-ethylnonane ?

1.	How many methyl groups are present in 2, 5-Dimethyl-4-ethylnonane ?
Answer» 2 3 4 5 Solution :`{:(""CH_(3)),("\|"),(OVERSET(1)(C)H_(3)overset(2)(C)Hoverset(3)(C)H_(2)overset(4)(C)overset(5)(HC)Hoverset(6)(C)H_(2)overset(7)(C)H_(2)overset(8)(C)H_(2)overset(9)(C)H_(3)),("\|""\|"),(""CH_(3)""CH_(2)),("\|"),(""CH_(3)):}` The no. of `CH_(3)` groups is 4.

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