Chemistry-
General
Easy
Question
Esterification of the acid (P) with the alcohol (Q) will gives
- only one enantiomer
- a mixture of diastereomer
- a mixture of enantiomer
- only one fraction on fractional distillation
The correct answer is: a mixture of diastereomer
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Identify the final product in the following sequence of reaction.
Identify the final product in the following sequence of reaction.
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Identify the final product in the following sequence of reaction.
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Consider the following reaction.
The product (A) is :
Consider the following reaction.
The product (A) is :
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The regents A and B in the reaction sequence
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X is
X is
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Given three acids
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Given three acids
X)
Y)
Z)
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Product is/are
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Arrange following compounds in decreasing order of reactivity for hydrolysis reaction :
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The acid D obtained through the following sequence of reactions is
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A wire having cross-sectional area S is attached to wall on one side and a block of mass M on the other side which placed on a horizontal surface having coefficient of friction 
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and Young's modulus Y. At initial temperature there is no stress in the wire. Now the wire is cooled. At what decrease in temperature the block will begin to move.
A wire having cross-sectional area S is attached to wall on one side and a block of mass M on the other side which placed on a horizontal surface having coefficient of friction as shown. Material of wire has coefficient of thermal expansion and Young's modulus Y. At initial temperature there is no stress in the wire. Now the wire is cooled. At what decrease in temperature the block will begin to move.
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In the given figure F = 10 N, R = 1 m, mass of the body is 2 kg and moment of inertia of the body about an axis passing through O and perpendicular to plane of body 
O is the centre of mass of the body.
If ground is sufficiently rough to ensure rolling, what is kinetic energy of the body now in the given time interval
In the given figure F = 10 N, R = 1 m, mass of the body is 2 kg and moment of inertia of the body about an axis passing through O and perpendicular to plane of body O is the centre of mass of the body.
If ground is sufficiently rough to ensure rolling, what is kinetic energy of the body now in the given time interval
physics-General
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In the given figure F = 10 N, R = 1 m, mass of the body is 2 kg and moment of inertia of the body about an axis passing through O and perpendicular to plane of body O is the centre of mass of the body.
If the ground is smooth what is total kinetic energy of the body after 2 seconds
In the given figure F = 10 N, R = 1 m, mass of the body is 2 kg and moment of inertia of the body about an axis passing through O and perpendicular to plane of body O is the centre of mass of the body.
If the ground is smooth what is total kinetic energy of the body after 2 seconds
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A conical pendulum consists of a mass M suspended from a string of length l. The mass executes a circle of radius R in a horizontal plane with speed v. At time t, the mass is at position 
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At time t, the angular momentum vector of the mass M about the point from which the string suspended is :
A conical pendulum consists of a mass M suspended from a string of length l. The mass executes a circle of radius R in a horizontal plane with speed v. At time t, the mass is at position and has velocity At time t, the angular momentum vector of the mass M about the point from which the string suspended is :
physics-General
