Which of These Functional Groups Does Not Contain a C=O

Q3: How many hydrogen atoms are there in

Q4: Which of these elements is the basis

Q5: Which of these is the correct name

Q6: Which of these is the correct name

Q7: Which of the following elements is  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

Q12: Which of these is the correct name

Q13: Which of these families is incorrectly matched