CBSE
Multiple Choice QuestionsIn Clemmensen reduction, compound is treated with
zinc amalgam + HCI
sodium amalgam+ HCI
zinc amalgam + HNO4
sodium amalgam + HNO3
Acetaldehyde cannot show :
iodoform test
Lucas test
Benedict's test
Tollen's test
The chemical name of anisole is :
ethanoic acid
methoxy benzene
propanone
acetone
The yellow colour in NaCl crystals is due to
excitation of electrons in F-centres
reflection of light from Cl ions on the surface
refraction of light from Na+ ions
all of the above
Which of the following organic compounds answers to both iodoform test and Fehling's test ?
Ethanol
Methanal
Ethanal
Propanone
Which of the following will be most readily dehydrated under acidic conditions ?
Assertion: Formic acid reduces mercuric chloride to mercurous chloride on heating, while acetic acid does not.
Reason: Formic acid is a stronger acid than acetic acid.
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.
Waxes are esters of :
glycerol
long chain alcohols
glycerol and fatty acid
long chain alcohols and long chain fatty acids
The following conversion is known as
CH3-CH=O + H-CH2CHO CH3-CHOH-CH2CHO
Cannizzaro reaction
aldol condensation
polymerisation
benzoin condensation
The IUPAC name of the following compound is
propionic anhydride
dipropanoic anhydride
ethoxy propanoic acid
propanoic anhydride
