Identify (A).

(a)      (b)     (c)      (d) 

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(i)H+(i)KBrO, (X) (Y)

Hence the product (Y) in the above sequence of reactions, is :

(a)  (b)   (c)   (d) 

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Preparation & properties of Aldehydes and Ketones
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The action of bromine water (excess) on salicylic acid results in the formation of:-

(a)(b)(c)(d)

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Preparation & properties of Aldehydes and Ketones
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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) 

Concept Questions :-

Preparation & properties of Aldehydes and Ketones
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The Birch reduction of benzoic acid gives:-
(a)  (b)  (c) (d)



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Preparation & properties of Aldehydes and Ketones
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ph-CHO  +   2 H2SO4major product of this reaction is:

(a) ph3CH

(b) 

(c) 

(d) ph2CH2

Concept Questions :-

Preparation & properties of Aldehydes and Ketones
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Which of the following acid gives positive Tollen's reagent test.

(a) (CH2)2<CO2HCO2H           (b)  CH2<CO2HCO2H            (c) C|O2HCO2H              (d) HCO2H

Concept Questions :-

Preparation & properties of Aldehydes and Ketones
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Acetaldehyde and benzaldehyde can be differentiated by:
(a) Fehling test
(b) Iodoform test
(c) Tollen's reagent
(d) both (a) and (b)

Concept Questions :-

Preparation & properties of Aldehydes and Ketones
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When vapours of acetic acid are passed over.....at 300°C we get acetone.

(a) Al2O3                        (b) CuO

(c) MoO                         (d) Cu

Concept Questions :-

Preparation & properties of Aldehydes and Ketones
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Formaldehyde is not used in:

(a) adhesives                  (b) bakelite

(c) tooth powders            (d) explosives

 

Concept Questions :-

Preparation & properties of Aldehydes and Ketones
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