A reaction that can proceed in either the forward or the reverse direction is ca

Question

A reaction that can proceed in either the forward or the reverse direction is called a _______ reaction. a) reversible b) miniscule c) microscopic d) solid phase e) favored A chemical reaction has reached equilibrium when a) the concentrations of reactants and products are equal b) all reactants have been converted to products c) all products have been removed from the reaction mixture d) the catalyst has been used up e) the rate of the forward reaction equals the rate of the reverse reaction In the reaction of nitrogen gas with oxygen gas to produce nitrogen oxide, what is the effect of adding more oxygen gas to the initial reaction mixture? The reaction is shown below. N_2(g) + O_2(g) 2NO(g) a) the equilibrium shifts to produce more N_2 b) the equilibrium shifts to produce more N0 c) the equilibrium is not affected d) extra catalyst is required to reach equilibrium e) the temperature of the reaction mixture is raised For the following reaction at equilibrium, if the volume of the container is increased, the amount of PCI_5 present will PC1_5 (g) PCl_3(g) + Cl_2 (g) a) decrease b) increase c) double d) stay the same e) triple

Explanation / Answer

1.

A reaction which can proceed in both direct is known as reversible rection.

Correct option is A.

2.

Chemical reaction will be in equilibrium when rate of forward reaction equals the rate of backward reaction.

Correct option is D.

3.

when amount of Oxygen added in equilibrium, then equilibrium will shifts to produce more NO, so that equilibrium can be achieved again.

Correct option is B.

4.

Amount of PCl5 will decrease,

since volume is increased, tthenthe reaction will shift toward products

Correct option is A.

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