CBSE
Self condensation of acetaldehyde, in the presence of dilute alkalies gives
an acetal
an aldol
mesitylene
propionaldehyde
In the following reaction,
benzoic acid
salicylic acid
phenol
aniline
The major product of the following reaction is:
Given below are some statements concerning formic acid, which of them is true ?
It is weaker acid than acetic acid
It is reducing agent
When its calcium salt is heated, it forms a ketone
It is an oxidising agent
Glycerol, on heating with oxalic acid at 110C gives
ethanol
methanoic acid
ether
acetone
Reaction of aniline with benzaldehyde is
substitution
addition
condensation
polymerisation
Stephen's reduction is used to prepare aldehyde from
alcohol
alkyl cyanides
alkanones
acid chlorides
Brown ring is made for
NO-3
Cl-
I-
Br-