Question

State the factors that influence the rate of a chemical reaction

Answer 1

1) Pressure

2) Temperature

3) Surface area of solid reactant

4) Nature of the reacting substances

5) Presence/absence of a catalyst

Answer 2

$\bold\red{\underline{\underline{Factors\:Influencing\:the\:Reaction\:Rate:-}}}$

The chief factors which influence the rates of reactions are:--

$\bold{\underline{\underline{Nature\:of\:reactants:-}}}$

The reactants with weak bonds react quickly whereas the reactions involving reactants with strong bonds are slow. The molecular reactions are generaily slow while ionic reactions are fast.

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$\bold{\underline{\underline{Concentration\:of\:reactants:-}}}$

The rate of reaction increases with increase in concentration of reactants as the number of collisions increases.

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$\bold{\underline{\underline{Catalyst:-}}}$

Positive catalysts increase the reaction rate by providing an alternative path involving lesser amount of activation energy.

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$\bold{\underline{\underline{Temperature:-}}}$

The rate of reaction increases with an increase in temperature. The number of effective collisions " increases with increase" of temperature.

The rates of many reactions are approximately doubled or tripled for every 10°C rise in temperature.

The temperature coefficient is defined as the ratio of specific reaction rates of a reaction at two temperatures differing by 100 C.

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Thank You ❤

@swigy

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