Chemistry-
General
Easy
Question
Ethanedial has which functional group(s)
- One ketonic
- Two aldehydic
- One double bond
- Two double bond
The correct answer is: Two aldehydic
CHOCHO
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is
is
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What is the compound called if remaining two valencies of a carbonyl group are satisfied by two alkyl groups
What is the compound called if remaining two valencies of a carbonyl group are satisfied by two alkyl groups
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IUPAC name of 
is
IUPAC name of is
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Which of the following compounds does not contain an 
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Which of the following compounds does not contain an group
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Aldehydes are isomeric with
Aldehydes are isomeric with
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Glyoxal is
Glyoxal is
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The IUPAC name of the following structure is 
The IUPAC name of the following structure is
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In aldehydes and ketones, carbon of carbonyl group is
In aldehydes and ketones, carbon of carbonyl group is
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Reaction of acetaldehyde with HCN followed by hydrolysis gives a compound which shows
Reaction of acetaldehyde with HCN followed by hydrolysis gives a compound which shows
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As a body performs S.H.M., its potential energy 
Varies with time as indicated in
As a body performs S.H.M., its potential energy Varies with time as indicated in
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A small sphere carrying a charge 
is hanging in between two parallel plates
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. When parallel plates are
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A small sphere carrying a charge is hanging in between two parallel plates
by a string of length . Time period of pendulum is . When parallel plates are
charged, the time period changes to The ratio is equal to
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The graph between wave number 
and angular frequency 
is
The graph between wave number and angular frequency is
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The de Broglie wave present in fifth Bohr orbit is
The de Broglie wave present in fifth Bohr orbit is
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The above is a plot of binding energy per nucleon 
against the nuclear mass 
correspond to different nuclei. Consider four reactions
where
is the energy released? In which reaction is positive?
The above is a plot of binding energy per nucleon against the nuclear mass correspond to different nuclei. Consider four reactions
where is the energy released? In which reaction is positive?
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To determine the half- life of radioactive element, a student plots graph of ln
t. Here 
is the rate of radioactive decay at time t. If the number of radioactive nuclei of this element decreases by a factor of 
after 4.16 yr, the value of
is
To determine the half- life of radioactive element, a student plots graph of lnt. Here is the rate of radioactive decay at time t. If the number of radioactive nuclei of this element decreases by a factor of after 4.16 yr, the value of is
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