Chemistry-
General
Easy
Question
In the reaction, X is 
- HNO3
- O2
- O3
- KMnO4
The correct answer is: O3
Since compound A on hydrolysis gives C5H10 O does not reduce Fehling’s solution but reacts with NH2OH, forms iodoform, therefore, it must be a methyl ethyl ketone
Related Questions to study
physics-
In a region magnetic field along x axis changes with time according to the given graph. If time period, pitch and radius of helix path are T0, P0 and R respectively then which of the following is incorrect if the particle is projected at an angle q0 with the positive x–axis in x–y plane ?
In a region magnetic field along x axis changes with time according to the given graph. If time period, pitch and radius of helix path are T0, P0 and R respectively then which of the following is incorrect if the particle is projected at an angle q0 with the positive x–axis in x–y plane ?
physics-General
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In the loops shown, all curved sections are either semicircles or quarter circles. All the loops carry the same current. The magnetic fields at the centres have magnitudes B1 , B2 , B3 and B4
In the loops shown, all curved sections are either semicircles or quarter circles. All the loops carry the same current. The magnetic fields at the centres have magnitudes B1 , B2 , B3 and B4
physics-General
physics-
Two infinitely long linear conductors are arranged perpendicular to each other and are in mutually perpendicular planes as shown in figure. If 
A along the y–axis and 
. The value of magnetic field strength 
at P is
Two infinitely long linear conductors are arranged perpendicular to each other and are in mutually perpendicular planes as shown in figure. If A along the y–axis and . The value of magnetic field strength at P is
physics-General
physics-
If a charged particle of charge to mass ratio 
is entering in a magnetic field of strength B at a speed 
, then which of the following is correct?
If a charged particle of charge to mass ratio is entering in a magnetic field of strength B at a speed , then which of the following is correct?
physics-General
physics-
A and B are two concentric circular conductors of centre O and carrying current i1 and i2 as shown in the diagram. If ratio of their radii is 1:2 and ratio of the flux densities at O due to A and B is 1:3 then the value of 
will be :–
A and B are two concentric circular conductors of centre O and carrying current i1 and i2 as shown in the diagram. If ratio of their radii is 1:2 and ratio of the flux densities at O due to A and B is 1:3 then the value of will be :–
physics-General
physics-
Two thick wires and two thin wires, all of the same materials and same length form a square in the three different ways P, Q and R as shown in fig with current direction shown, the magnetic field at the centre of the square is zero in cases
Two thick wires and two thin wires, all of the same materials and same length form a square in the three different ways P, Q and R as shown in fig with current direction shown, the magnetic field at the centre of the square is zero in cases
physics-General
chemistry-
IUPAC name of the following compound is 
IUPAC name of the following compound is
chemistry-General
chemistry-
In the reaction 
A is
In the reaction A is
chemistry-General
physics-
A bar magnet of length 3 cm has points A and B along its axis at distances of 24 cm and 48 cm on the opposite sides. Ratio of magnetic fields as these points will be :
A bar magnet of length 3 cm has points A and B along its axis at distances of 24 cm and 48 cm on the opposite sides. Ratio of magnetic fields as these points will be :
physics-General
chemistry-
The reagent best suitable for the following transformation is 
The reagent best suitable for the following transformation is
chemistry-General
maths-
Statement-I : if z1 and z2 are two nonzero complex numbers such that 
then 
is π/2.
Statement-II : z1 and z2 are two complex numbers such that 
and is π/2 then 
Statement-I : if z1 and z2 are two nonzero complex numbers such that then is π/2.
Statement-II : z1 and z2 are two complex numbers such that and is π/2 then
maths-General
chemistry-
Consider the following reaction 
The product A is
Consider the following reaction The product A is
chemistry-General
chemistry-
Benzoylation of phenol in alkaline medium is known is known as
Benzoylation of phenol in alkaline medium is known is known as
chemistry-General
physics-
In the figure shown a current I1 is established in the long straight wire AB. Another wire CD carrying current 
is placed in the plane of the paper. The line joining the ends of this wire is perpendicular to the wire AB. The force on the wire CD is
In the figure shown a current I1 is established in the long straight wire AB. Another wire CD carrying current is placed in the plane of the paper. The line joining the ends of this wire is perpendicular to the wire AB. The force on the wire CD is
physics-General
physics-
A mass spectrometer is a device which select particle of equal mass. An iron with electric charge 
starts at rest from a source S and is accelerated through a potential difference V. It passes through a hole into a region of constant magnetic field perpendicular to the plane of the paper as shown in the figure. The particle is deflected by the magnetic field and emerges through the bottom hole at a distance d from the top hole. The mass of the particle is
A mass spectrometer is a device which select particle of equal mass. An iron with electric charge starts at rest from a source S and is accelerated through a potential difference V. It passes through a hole into a region of constant magnetic field perpendicular to the plane of the paper as shown in the figure. The particle is deflected by the magnetic field and emerges through the bottom hole at a distance d from the top hole. The mass of the particle is
physics-General
