$6$

a$)(C{H}_2)CHOH=C{H}_2+HBr$pere$le(C{H}_3)CHC{H}_2-C{H}_{2}He$

b$)$

$(C{H}_3{)}_{2}CHC{H}_{2}C{H}_2+C{l}_2{H}_2$Olongrightarrow$(C{H}_3{)}_{2}CHCH-CHO{H}^{-}$

d$)(C{H}_3{)}_{2}CHCH=C{H}_2,$ HBrlongrightarrow$(C{H}_3{)}_{2}CHCHB{r}_2-C{H}_3$

$37-$ The number of products would be formed in the following reaction:

$longrightarrowC{H}_{2}C{H}_3+C{l}_2$lighir

a$)1$

b$)2$

c$)3$

d$)4$

e$)5$

$38-$ Which step represents the initiation step?

a$)B{r}_2$light$2B{r}^{\text{'}}$

b$)C{H}_{3}C{H}_3+$vec$(Br)$

c$)C{H}_{3}C{H}_2$

$+C{H}_3{C}^{}{H}_2$

$C{H}_{2}C{H}_{4}C{H}_{2}C{H}_2$

d$)$ vec$(B)r-C{H}_3{C}^{}{H}_2+HBr$

$39.$ Which of the following is a pair of resonance structure:

a$)$

b$)$

c$)$

d$)$

$40-$ In the following compound, there is of of $."3$ earbon atoms.

a$)3,3,2$

b$)3,2,3$

d$)3,3,3$

$41-$ The major product of the following reaction is;

$C{H}_{3}C{H}_2$ONa

$+C{H}_{3}Br$

a$)C{H}_{3}OC{H}_3$

b$)C{H}_{3}C{H}_{2}OC{H}_{2}C{H}_3$

c$)C{H}_{3}C{H}_{2}Br$

d$)C{H}_{3}C{H}_{2}OC{H}_3$

$42-$ Which of the species below is the intermediate in the following reaction: