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Chemistry-

General

Easy

Question

The oxidation state of copper in the above complex is

0
1
2
4

The correct answer is: 2

Related Questions to study

The above complex is obtained by

The above complex is obtained by

chemistry-General

System shown in figure is released from rest. Pulley and spring are massless and friction is absent every where. The speed of 5 kg block when 2 kg block leaves the contact with ground is [k=40 N/ $m$ and $g equals 10 text end text m s to the power of negative 2 end exponent$ ]

System shown in figure is released from rest. Pulley and spring are massless and friction is absent every where. The speed of 5 kg block when 2 kg block leaves the contact with ground is [k=40 N/ $m$ and $g equals 10 text end text m s to the power of negative 2 end exponent$ ]

physics-General

A perfectly elastic ball $P subscript 1 end subscript$ of mass m moving with velocity $v$ collides elastically with three exactly similar balls $P subscript 2 end subscript comma P subscript 3 end subscript comma P subscript 4 end subscript$ lying on a smooth table as shown. Velocities of the four balls after the collision are

A perfectly elastic ball $P subscript 1 end subscript$ of mass m moving with velocity $v$ collides elastically with three exactly similar balls $P subscript 2 end subscript comma P subscript 3 end subscript comma P subscript 4 end subscript$ lying on a smooth table as shown. Velocities of the four balls after the collision are

physics-General

parallel

A particle moves from P to Q in a path as shown, along the perimeter of the circle of radius R. If the time taken by the particle from P to Q through $P to the power of 1 end exponent$ is equal to T, the average angular speed over the time T is

A particle moves from P to Q in a path as shown, along the perimeter of the circle of radius R. If the time taken by the particle from P to Q through $P to the power of 1 end exponent$ is equal to T, the average angular speed over the time T is

physics-General

Starting from rest a wheel rotates with uniform angular acceleration $2 pi$ $rads to the power of negative 2 end exponent$ . After 4s, if the angular acceleration ceases to act, its angular displacement in the next 4 s is

Starting from rest a wheel rotates with uniform angular acceleration $2 pi$ $rads to the power of negative 2 end exponent$ . After 4s, if the angular acceleration ceases to act, its angular displacement in the next 4 s is

physics-General

A car is moving with a speed of $30 blank m s to the power of negative 1 end exponent$ on a circular path of radius 500 m. If its speed is increasing at the rate of $2 blank m s to the power of negative 2 end exponent$ , the net acceleration of the car is

A car is moving with a speed of $30 blank m s to the power of negative 1 end exponent$ on a circular path of radius 500 m. If its speed is increasing at the rate of $2 blank m s to the power of negative 2 end exponent$ , the net acceleration of the car is

physics-General

parallel

The angular velocity of second's hand in a wall clock is : (in $rads to the power of negative 1 end exponent$ )

The angular velocity of second's hand in a wall clock is : (in $rads to the power of negative 1 end exponent$ )

physics-General

A particle initially at rest starts moving from point A on the surface of a fixed smooth hemisphere of radius $r$ as shown. The particle looses its contact with hemisphere at point B. C is centre of the hemisphere. The equation relating $alpha$ and $beta$ is

A particle initially at rest starts moving from point A on the surface of a fixed smooth hemisphere of radius $r$ as shown. The particle looses its contact with hemisphere at point B. C is centre of the hemisphere. The equation relating $alpha$ and $beta$ is

physics-General

A block of mass 2 kg is released from rest on rough surface as shown in figure. Find the work done on the block by
A) gravity
B) force of friction when the block is displaced downwards by 2 m ? $open square brackets g equals 10 blank m s to the power of negative 2 end exponent close square brackets$

A block of mass 2 kg is released from rest on rough surface as shown in figure. Find the work done on the block by
A) gravity
B) force of friction when the block is displaced downwards by 2 m ? $open square brackets g equals 10 blank m s to the power of negative 2 end exponent close square brackets$

physics-General

parallel

A small block slides with velocity $0.5 square root of g r end root$ on the horizontal frictionless surface as shown in fig. The block leaves the surface at point C. The angle $theta$ in the fig is :

A small block slides with velocity $0.5 square root of g r end root$ on the horizontal frictionless surface as shown in fig. The block leaves the surface at point C. The angle $theta$ in the fig is :

physics-General

Block A has a weight of 300 N and block 'B' has a weight of 50 N. Determine the distance 'B' mu raise from rest before. "A" obtains a speed of $2.5 blank m s to the power of negative 1 end exponent$ . Neglect the mass of cord and pulleys?

Block A has a weight of 300 N and block 'B' has a weight of 50 N. Determine the distance 'B' mu raise from rest before. "A" obtains a speed of $2.5 blank m s to the power of negative 1 end exponent$ . Neglect the mass of cord and pulleys?

physics-General

In the ideal pulley-particle system shown, the mass $m subscript 2 end subscript$ is connected with a vertical spring of spring constant $K. open parentheses m subscript 2 end subscript greater than m subscript 1 end subscript close parentheses$ . If the mass $m subscript 2 end subscript$ is released from rest when the spring is undeformed, find the maximum compression of the spring.

In the ideal pulley-particle system shown, the mass $m subscript 2 end subscript$ is connected with a vertical spring of spring constant $K. open parentheses m subscript 2 end subscript greater than m subscript 1 end subscript close parentheses$ . If the mass $m subscript 2 end subscript$ is released from rest when the spring is undeformed, find the maximum compression of the spring.

physics-General

parallel

One end of a spring of natural length ' h ' and spring constant ' k ' is fixed at the ground and the other is fitted with a smooth ring a mass ' m ' which is allowed to slide, on a horizontal rod fixed at a height ' h ' as shown in figure. Initially the spring makes an angle of 37° with the vertical when the system is released from rest. Find the speed of the ring when the spring becomes vertical? $open square brackets c o s invisible function application 37 to the power of ring operator end exponent equals 4 divided by 5 close square brackets$

One end of a spring of natural length ' h ' and spring constant ' k ' is fixed at the ground and the other is fitted with a smooth ring a mass ' m ' which is allowed to slide, on a horizontal rod fixed at a height ' h ' as shown in figure. Initially the spring makes an angle of 37° with the vertical when the system is released from rest. Find the speed of the ring when the spring becomes vertical? $open square brackets c o s invisible function application 37 to the power of ring operator end exponent equals 4 divided by 5 close square brackets$

physics-General

A small block of mass 100gm is pressed against a horizontal spring fixed at one end to compress the spring through 5 cm as shown in figure. The spring constant is 100 N/m. When released, the block moves horizontally till it leaves the spring. Where will it hit the ground 2 m below the spring?

A small block of mass 100gm is pressed against a horizontal spring fixed at one end to compress the spring through 5 cm as shown in figure. The spring constant is 100 N/m. When released, the block moves horizontally till it leaves the spring. Where will it hit the ground 2 m below the spring?

physics-General

A block of mass ' m ' sliding on a smooth horizontal surface with a velocity $stack V with rightwards arrow on top$ meets a long horizontal spring fixed at one end and having spring constant ' k ' as shown in figure. Find the maximum compression of the spring?

A block of mass ' m ' sliding on a smooth horizontal surface with a velocity $stack V with rightwards arrow on top$ meets a long horizontal spring fixed at one end and having spring constant ' k ' as shown in figure. Find the maximum compression of the spring?

physics-General

parallel

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