Air sample from an industrial town, heavily polluted by `CO_(2)` was collected and analyzed . In one anaylsis , 56L of air measured at 1 atm and 273 K was passed through a 250 mL of 0.025 M NaOH solution , where `CO_(2)(g)` was absorbed completely . 25 mL of the above solution was then treated with excess of `BaCl_(2)` solution where all the carbonate was precipitated as `BaCo_(3)(s)` . The solution was filtered off and the filtrate required 25 mL of a 0.005 MHCl solution for neutralization. ppm strenght of `CO_(2)(g)` , volume by volume i.e. , mL of `CO_(2)` per `10^(6)` mL of air was :A. 560B. 5600C. 100D. 1000

Air sample from an industrial town, heavily polluted by `CO_(2)` was c

1.	Air sample from an industrial town, heavily polluted by `CO_(2)` was collected and analyzed . In one anaylsis , 56L of air measured at 1 atm and 273 K was passed through a 250 mL of 0.025 M NaOH solution , where `CO_(2)(g)` was absorbed completely . 25 mL of the above solution was then treated with excess of `BaCl_(2)` solution where all the carbonate was precipitated as `BaCo_(3)(s)` . The solution was filtered off and the filtrate required 25 mL of a 0.005 MHCl solution for neutralization. ppm strenght of `CO_(2)(g)` , volume by volume i.e. , mL of `CO_(2)` per `10^(6)` mL of air was :A. 560B. 5600C. 100D. 1000
Answer» Correct Answer - D

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