Answer: C18 H38
Explanation: Alkane follows the general formula of CnH2n+2.
Here n = 18 , substituting the value of n in the above formula, we get
C 18 H 2(18)+2 = C18 H38
The name of this alkane is Octadecane and it can also be written like this -
Ch3 (ch2)16 Ch3
Octadecane is the straight chain alkane having 18 carbon atoms .
