Under standard conditions,which of the following operations results in a spontaneous chemical reaction taking place?

Question

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Chlorine gas bubbling through an aqueous solution of sodium bromide results in a spontaneous chemical reaction because chlorine is a stronger oxidizing agent than bromine. This causes the chlorine to displace the bromine from the sodium bromide, forming sodium chloride and bromine gas. This is based on the relative positions of chlorine and bromine in the electrochemical series.

Under Standard Conditions,which of the Following Operations Results in a Spontaneous