CBSE
Multiple Choice QuestionsAn aromatic compound C7H6Cl2 (A), gives AgCl on boiling with alcoholic AgNO2 solution and yields C,HOCI on treatment with sodium hydroxide. (A) on oxidation gives monochlorobenzoic acid. The compound (A) is:
The product P is
None of these.
Which of the following reaction will not produce ethylene glycol?
ClCH2CH2Cl
HO-CH2-CH2-OCH3
CH2 = CH2
Cannizaro reaction is not given by :
acetaldehyde
formaldehyde
benzaldehyde
triethyl acetaldehyde
In the Rosenmund's reaction
RCOCl + H2 RCHO + HCl
here BaSO4
promotes catalytic activity of Pd
removes the HCl formed in the reaction
deactivates Pd
activates Pd
Cannizaro's reaction is exhibited by :
HCHO
CH3CHO
CH3CH2CHO
CH3CH2CH2CHO
Formic acid can be distinguished from acetic acid by its reaction with :
NaHCO3
Tollen's reagent
NaOH
None of these
The increasing order of acidity is :
CHCl2COOH , CH2ClCOOH , CH3COOH
CH3COOH , CHCl2COOH , CH2ClCOOH
CH2BrCOOH , CH2ClCOOH , CH3COOH
CH2BrCOOH , CH2ClCOOH , CHCl2COOH
Assertion : Mixture of benzaldehyde and acetaldehyde in hot allkaline medium gives cinnamaldehyde.
Reason : Benzaldehyde is strong electrophile than acetaldehyde.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
