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Chemistry Class 12 Chapter 12
Aldehydes and Ketones
Test 9
1.
Which of the following do not perform aldol condensation reaction?
Formaldehyde
Acetaldehyde
Propionic aldehyde
Benzaldehyde
2.
For industrial preparation of CH3CHO catalytic promoter is?
PbCl
2
Cu
2
Cl
2
CuCl
2
PdCl
2
3.
Formaldehyde are lactose are combined to produce throat lozenges named as?
Formalacstose
Aldomint
Lactomint
Formamint
4.
Oxidation of P
o
gives?
Ketone
Aldehyde
Alkene then -COOH
Ester
5.
Ketones are less reactive from aldehyde due to?
None
Alkyl groups are electron donating
Both
Steric hindrance
6.
Formaldehyde condenses with phenol in presence of dilute H2SO4 to yield?
Bakelite
Aniline formaldehyde plastic
Urotropine
Nylon 6,6
7.
Which of the following compounds has the empirical formula CH
2
O and reacts with sodium hydroxide?
Acetic acid
Phenol
Carbonic acid
Methanoic acid
8.
Which is not the use of acetaldehyde?
Antiseptic inhalant
Formation of phenolic resign
Formation of throat lozenges
Formation of looking glass
9.
On heating aldehyde with fehiling solution we get precipitate of colour?
White
Yellow
Pink
Red
10.
Which is not the use of formaldehyde?
An making acetic acid
In making throat lozenges
In making medicine urotropine
In silver mirror
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