Formation of Imines
Trending Questions
Q. 21. The unbalanced equation for the reaction of P4S3 with nitrate in aqueous acidic medium is given below: P_4S_{3 }+ NO_3^{- }--> H_3PO_{4 }+ SO_4^{2-}+ NO The number of moles of water required per mole of P4S
Q.
A compound does not give a positive test with 2, 4-DNP. The compound is:
Acetone
Acetaldehyde
Methanol
Butan-2-one
Q.
On reaction with hydroxylamine, aldehydes produce:
Ketoxime
Hydrazone
Semicarbazone
aldoxime
Q. conversion of benzene to 3 ethyl bromo benzene
Q. Formaldehyde reacts with ammonia to give
- hexamethylene tetra amine
- formamide
- pyridine
- formalin
Q. In preparation of Nitrobenzene, role of Nitric acid is- a) Oxidiser, b) Reducer, c) Acid, d) Base
Q. Primary amine with ketone under acidic condtion:
Regarding this reaction correct statement(s) is/are:
- X is more stable than Y
- X and Y can not exist in equilibrium with each other.
- Y is more stable than X
- This is an endothermic reaction.
Q. A reversible reaction having two reac†an tss in equilibrium if the concentration of reac†an t are doubled the equilibrium cons†an t will be ?Give reason
Q.
Reaction of a carbonyl compound with one of the following reagents involves a nucleophilic addition followed by a dehydration. The reagent is:
Hydrazine in feebly acidic medium
Hydrocyanic acid
Sodium hydrogen sulphite
A Grignard reagent
Q. The smallest ketone and its next homologue are reacted with NH2OH to form oxime.
- Two different oximes are formed.
- Three different oximes are formed.
- Two oximes are optically active.
- All oximes are optically active.
Q. Why doesnt the HCl evolve during the chlor-alkali process
Q. Among the following compounds, which will react with acetone to give a product containing![](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/20580/content_k17.png)
![](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/20580/content_k17.png)
- C6H5NH2
- (CH3)3N
- C6H5NHC6H5
- C6H5NHNH2