Hence the product (Y) in the above sequence of reactions, is :
(a) (b)
(c)
(d)
The action of bromine water (excess) on salicylic acid results in the formation of:-
(1)
(2)
(3)
(4)
An organic compound having the molecular formula C8H10O on being heated with I2 and dilute NaOH gives a yellow precipitate. The expected compound is:
(a) C6H5CH2CH2OH
(b)
(c)
(d)
The Birch reduction of benzoic acid gives:-
(a)
(b)
(c)
(d)
ph-CHO + 2 major product of this reaction is:
(a) ph3CH
(b)
(c)
(d) ph2CH2
Which of the following acid gives positive Tollen's reagent test.
(1)
(2)
(3)
(4) HCO2H
Acetaldehyde and benzaldehyde can be differentiated by:
1. Fehling test
2. Iodoform test
3. Tollen's reagent
4. Both (1) and (2)
When vapours of acetic acid are passed over.....at we get acetone.
1.
2.
3.
4.
Formaldehyde is not used in:
(1) adhesives
(2) bakelite
(3) tooth powders
(4) explosives
Ketones can be prepared by:
(1) Rosenmund's reduction
(2) Stephen's reduction
(3) both (1) and (2)
(4) none of the above