Which of the following is not used to distinguish ethene from ethane [KCET (Med.) 2001; UPSEAT 2002; CBSE PMT 2002]

Ammonical \[C{{u}_{2}}C{{l}_{2}}\]

Which of the following is not used to distinguish ethene from ethane [

1.	Which of the following is not used to distinguish ethene from ethane [KCET (Med.) 2001; UPSEAT 2002; CBSE PMT 2002]
A.	Iodine in \[CC{{l}_{4}}\]
B.	Bromine in \[CC{{l}_{4}}\]
C.	Alkaline \[KMn{{O}_{4}}\]
D.	Ammonical \[C{{u}_{2}}C{{l}_{2}}\]
Answer» E.