Alcohols Phenols And Ethers Question 227
Question: Glycerol reacts with $ P_4+I_2 $ to form
[CBSE PMT 1991]
Options:
A) Aldehyde
B) Allyl iodide
C) Allyl alcohol
D) Acetylene
Show Answer
Answer:
Correct Answer: B
Solution:
$ \begin{matrix} CH_2-OH \\ \underset{|}{\overset{|}{\mathop{C}}}H-OH \\ CH_2OH \\ \end{matrix}\underset{Smallamount}{\mathop{\xrightarrow{P_4+I_2}}}\underset{Unstable}{\mathop{\begin{matrix} CH_2-I \\ \underset{|}{\overset{|}{\mathop{C}}}H-I \\ CH_2-I \\ \end{matrix}}}\xrightarrow[-I_2]{}\underset{\text{Allyl iodide}}{\mathop{\begin{matrix} CH_2 \\ \underset{|}{\overset{||}{\mathop{C}}}H \\ CH_2-I \\ \end{matrix} }} $
BETA
