Chemistry-
General
Easy
Question
Which of the following compounds does not contain an 
group
- Phenol
- Carboxylic acid
- Aldehydes
- Alcohols
The correct answer is: Aldehydes
Related Questions to study
chemistry-
Aldehydes are isomeric with
Aldehydes are isomeric with
chemistry-General
chemistry-
Glyoxal is
Glyoxal is
chemistry-General
chemistry-
The IUPAC name of the following structure is 
The IUPAC name of the following structure is
chemistry-General
chemistry-
In aldehydes and ketones, carbon of carbonyl group is
In aldehydes and ketones, carbon of carbonyl group is
chemistry-General
chemistry-
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
chemistry-General
physics-
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
physics-General
physics-
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
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
physics-General
physics-
The graph between wave number 
and angular frequency 
is
The graph between wave number and angular frequency is
physics-General
physics-
The de Broglie wave present in fifth Bohr orbit is
The de Broglie wave present in fifth Bohr orbit is
physics-General
physics-
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?
physics-General
physics-
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
physics-General
physics-
Figure shows the energy levels 
and 
of an atom where is the ground state. 
red line in the emission spectrum of the atom can be obtained by an energy level change from 
to 
. A blue line can be obtained by following energy level change
Figure shows the energy levels and of an atom where is the ground state. red line in the emission spectrum of the atom can be obtained by an energy level change from to . A blue line can be obtained by following energy level change
physics-General
physics-
The energy level diagram for an hydrogen like atom is shown in the figure. The radius of its first Bohr orbit is
The energy level diagram for an hydrogen like atom is shown in the figure. The radius of its first Bohr orbit is
physics-General
physics-
The count rate of 
of radioactive material was measured at different times and this has been shown in the figure. The half life of material and the total counts (approximately) in the first half life period, respectively are
The count rate of of radioactive material was measured at different times and this has been shown in the figure. The half life of material and the total counts (approximately) in the first half life period, respectively are
physics-General
physics-
Drawings I and II show two samples of electric field lines
Drawings I and II show two samples of electric field lines
physics-General
