Draw resonance structure showing +R effect aniline​

Answer:

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It tell direction in multidimensional space, which is the most important feature of a vector. Once you have a unit vector, you amplify it by a factor of whatever you want, and you can make any length vector in a specific direction.

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if 76 is divided into four parts proportional to 7,5,3.4 then the smallest part is:

Medium

Solution

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Correct option is A)

Four parts proportional to

7,5,3 and 4

∴ Four part are equal to7x,5x,3x, and 4x.

∴7x+5x+3x+4x=76

∴19x=76

∴x=

19

76

∴x=4

∴7x=4×7=28

∴5x=5×4=20

∴3x=3×4=12

∴4x=4×4=16

∴ For parts are 28,20,12 and 16.

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Answer:

The order of the reaction is the power dependence of the rate on the concentration of each reactant.

Molecularity is the number of reactants that take part in a rate-determining step.

Explanation:

The order of the reaction is the power dependence of the rate on the concentration of each reactant. This means for a first-order reaction rate is dependent only on one reactant. Second-order reaction rate dependent on two reactants or square of the concentration of single reactant.

On the other hand, molecularity is the number of reactants that take part in a rate-determining step. In the case of unimolecular reactions, there is only one reactant in the reaction. If there are 2 molecules of the reactant that participate in a reaction it is bimolecular.

Molecularity is a whole number other than zero which is between 1-3.

whereas order can be either whole number or fraction between 0-3.

Molecularity is a theoretical value and order is experimental.