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ln(-1) is ...

eiπ ...

A reaction whose rate is independent of concentration of the reactants is of order ...

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If the concentration of a reactant A is doubled, the rate of its reaction increased by a factor of 2, the order of reaction w.r.t. A is ...

The rate of reaction A+B→Products is given by the eqn r=k[A][B]. If B is taken is large excess, the order of the reaction would be ...

For the reaction NO2+CO→CO2+NO, mechanism is given as NO2+NO2 --slow-->NO+NO3, NO3+CO --fast-->CO2+NO2 The rate law for this reaction is ...

For the reaction CH3COCH3+I2 --H+--> Products, the rate law expression is dx/dt=k[CH3COCH3][H+]. The order with respect to iodine is ...

Which of the following is true for order of reaction? ...

The rate law expression for a reaction 2A+3B→C is defined as k[A][B]3. The order of the reaction is ...

Which of the following takes place during refraction from a single surface when a single ray of white light enters a denser medium? ...

Lights of traffic signal contain Green, yellow and Red. Why? ...

In light containing Green, yellow and Red, (Lights of traffic signal) which one has maximum scattering? ...

The incident angle which leads to the angle of refraction of 90° is ...

A prism of refractive index 1.2 is dipped in a liquid of index 1.2 Which will undergo maximum deviation? ...

A monochromatic light is incident on a prism. Which will be observed! ...

A prism causes ...

A lab prism under normal setup, which has the maximum diversion? ...

The rate law for a reaction between the substances A & B is given by rate=k[A]m[B]n. On doubling the conc. of B and halving the conc. of A . With respect to the original rate, new rate becomes ...

As the reaction progresses, the rate of reaction (generally) ...

The units of rate of reaction for a gaseous reaction are ...

For the gaseous reaction A+B→C+D, the rate is given as k[A][B]. The volume of the container containing the reaction mixture is suddenly reduced to half of its original volume. With respect the original rate, now the rate wo ...

The rate of formation of ammonia by the reaction N2+3H2→2NH3 expressed as d[NH3]/dt=2×10-4 mol L-1 s-1. The rate of consumption of expressed in terms of H2 as -d[H2]/dt will be ...

Given rate of reaction as (1/2)d[A]/dt=-d[B]/dt=-(1/3)d[C]/dt=d[D]/dt, find the reaction ...

For the reaction A+2B→3C, the rate of reaction at a given instant can be represented by ...

Assertion: Total Internal reflection can be used to Separate light into different wavelengths Reason: This can be done because light of different colours have different wavelengths. ...

What is the radius of the area inside the pool of water of radius 50m which a bird 20 m above the pool can see if the refractive index of water is √2 ...

Critical angle of theta with vaccum means a refractive index of? ...

In this problem, can the fish at the bottom see the fish at the top? ...

There is another fish 10m horizontally and 4m below the first fish. What will be the area, that it will be able to see? ...