Question

Pick out the correct statement.

a.

A chemical reaction accompanied by absorption of heat is called an exothermic reaction.

b.

A chemical reaction accompanied by evolution of heat is called an endother-mic reaction.

c.

The rate constant for a first order reaction does not change on changing the concentration units.

d.

Chemical equilibrium state is dynamic in nature.

Answer: (c).The rate constant for a first order reaction does not change on changing the concentration units.

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Q. Pick out the correct statement.

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