Which of These Elements Is the Basis for Organic Chemistry

Q1: Which of these is the correct name

Q2: Which of these molecules is not an

Q3: How many hydrogen atoms are there in

Q5: Which of these is the correct name

Q6: Which of these is the correct name

Q7: Which of the following elements is  not

Q8: Which of these functional groups does not

Q9: Which of these was the first organic

Q10: Which of these is the correct name

Q11: How many structural isomers exist for pentane?<br>A)1<br>B)2<br>C)3<br>D)4<br>E)5