In which compound two halogen atoms are attached to the same carbon?
Gem dihalide
Ozonide
Dialkyl cadmium
Acetylene
Which of the following compound acts as a catalytic poison in rosenmund's reaction?
Vanadium pentoxide
Sponge ion
Nickel
Barium sulphate
Which of the following is the odd one?
Acidified potassium dichromate
Potassium permanganate
Tollen’s reagent
Formic acid
Which of the following is a coenzyme?
Aldehyde
Ketone
Pyridoxine
Pyridoxal
What will be obtained when Tollen’s reagent is reduced by aldehydes?
Silver nitrate
Metallic silver
Red cuprous oxide
Paraldehyde
What is the general formula for aldehydes?
R-CHO
R-CO-R
c) R3-C-OH
d)) R-COOH
Which of the following is utilized for obtaining ketone through dry distillation?
Calcium formate
Calcium phosphate
Calcium salt
Calcium
What is obtained on heating aldol derived from acetaldehyde?
Cyanohydrin
Crotonaldehyde
Oxime
Hydrazine
Name the reaction in which alkyl cyanide is converted to acetaldehyde.
Rosenmund’s reduction
Sandmayer reaction
Fredal& crafts reaction
Stephen’s reaction
Which of the following is not exhibited by ketones?
Chain isomerism
Metamerism
Functional isomerism
Positional isomerism