Which of the following halogen oxides is used | vedclass

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Question

(B) The estimation of carbon monoxide $(CO)$ is carried out by using iodine pentoxide $(I_2O_5)$.The chemical reaction is: $5CO + I_2O_5 	o 5CO_2 + I

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$I_2O_5$

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(B) The estimation of carbon monoxide $(CO)$ is carried out by using iodine pentoxide $(I_2O_5)$.The chemical reaction is: $5CO + I_2O_5 	o 5CO_2 + I_2$The liberated iodine $(I_2)$ is then titrated against a standard sodium thiosulphate $(Na_2S_2O_3)$ solution:$I_2 + 2Na_2S_2O_3 	o 2NaI + Na_2S_4O_6$Thus,$I_2O_5$ is the correct reagent.

Which of the following halogen oxides is used for the estimation of carbon monoxide in automobile exhaust gases?

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