Question

Column I		Column II
Molecule		Word root of main chain and word root of longest substituent
A		p	Prop
B		q	but
C		r	pent
D		s	hex

• A. $A \rightarrow q , s ; B \rightarrow p , q ; C \rightarrow p , s ; D \rightarrow p , r$
• B. $A \rightarrow r, q ; B \rightarrow p, s ; C \rightarrow p, r ; D \rightarrow q$
• C. $A \rightarrow q ; B \rightarrow r , s ; C \rightarrow p , q ; D \rightarrow q$
• D. None of these

Answer 1

Answer: (A)

$( A \rightarrow q , s ; B \rightarrow p , q ; C \rightarrow p , s ; D \rightarrow p , r )$

a. Main chain $\rightarrow$ cyclohexane; Longest substituent $\rightarrow$ cyclobutyl

b. Main chain $\rightarrow$ propane ; Longest substituent $\rightarrow$ cyclobutyl

c. Main chain $\rightarrow$ propane; Longest substituent $\rightarrow$ cyclohexyl

d. Main chain $\rightarrow$ pentane; Longest substituent $\rightarrow$ cyclopropyl