Chemistry-
General
Easy
Question
Which of the following dienes and dienophiles could be used to synthesise the following compound (A) ?
A)
The correct answer is:
Related Questions to study
Chemistry-
Which reagent cannot be used for the above conversion?
Which reagent cannot be used for the above conversion?
Chemistry-General
Chemistry-
Which of the following statements is correct about the following reactions?
Which of the following statements is correct about the following reactions?
Chemistry-General
Chemistry-
-3,6-Dimethyl oct-4-ene (A) exists in two diastereomers (I)and (II)
A)
I)
II)
If the stereochemistry about the double bond in(A) is , two diastereomers (I) and (II) exist as shown above
Which statement is correct?
-3,6-Dimethyl oct-4-ene (A) exists in two diastereomers (I)and (II)
A)
I)
II)
If the stereochemistry about the double bond in(A) is , two diastereomers (I) and (II) exist as shown above
Which statement is correct?
Chemistry-General
Chemistry-
Arrange the following alcohols in the decreasing order of dehydration with conc.
i)
ii)
iii)
iv)
Arrange the following alcohols in the decreasing order of dehydration with conc.
i)
ii)
iii)
iv)
Chemistry-General
Chemistry-
Give the decreasing order of the stability of the following or increasing order of heat of combustion
I)
II)
III)
Give the decreasing order of the stability of the following or increasing order of heat of combustion
I)
II)
III)
Chemistry-General
Chemistry-
Which one is the most easily dehydrated?
I)
II)
III)
Which one is the most easily dehydrated?
I)
II)
III)
Chemistry-General
Chemistry-
The products (c) and (D) are:
The products (c) and (D) are:
Chemistry-General
Chemistry-
In which of the following, the is maximum?
In which of the following, the is maximum?
Chemistry-General
Chemistry-
In the reaction:
Reagent used is:
In the reaction:
Reagent used is:
Chemistry-General
Chemistry-
Intermediate (B) and product (C) are:
Intermediate (B) and product (C) are:
Chemistry-General
Physics-
The angular frequency of small oscillations of the system shown in the figure is
The angular frequency of small oscillations of the system shown in the figure is
Physics-General
Physics-
Time period of a block when suspended from the upper plate of a parallel plate capacitor by a spring of stiffness k is T. When block is uncharged. If a charge q is given to the block them, the new time period of oscillation will be
Time period of a block when suspended from the upper plate of a parallel plate capacitor by a spring of stiffness k is T. When block is uncharged. If a charge q is given to the block them, the new time period of oscillation will be
Physics-General
Physics-
A block of mass m compresses a spring of stiffness k through a distance as shown in the figure. If the block is not fixed to the spring, the period of motion of the block is
A block of mass m compresses a spring of stiffness k through a distance as shown in the figure. If the block is not fixed to the spring, the period of motion of the block is
Physics-General
Physics-
A particle moves on x-axis according to the equation , the motion is simple harmonic
A particle moves on x-axis according to the equation , the motion is simple harmonic
Physics-General
Physics-
Two blocks A and B each of mass m are connected by a massless spring of natural length L and spring constant k. The blocks are initially resting on a smooth horizontal floor with the spring as its natural length, as shown in figure.
A) third identical block C, also of mass m moves on the floor with a speed v along the line joining A and B collides with A, elastically, then
Two blocks A and B each of mass m are connected by a massless spring of natural length L and spring constant k. The blocks are initially resting on a smooth horizontal floor with the spring as its natural length, as shown in figure.
A) third identical block C, also of mass m moves on the floor with a speed v along the line joining A and B collides with A, elastically, then
Physics-General