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. Fraction of original NaOH (by mole) that reached with `CO_(2)` was:A. 0.2B. 0.4C. 0.6D. 0.8

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. Fraction of original NaOH (by mole) that reached with `CO_(2)` was:A. 0.2B. 0.4C. 0.6D. 0.8
Answer» Correct Answer - D

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