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5. Henry’s law constants for aqueous solution of CO,

O2  and C2 H2  gases  are respectively  at 25°  C as 58 x 103 , 43 x 103  , 1.61 x 103  and 1.34 x 103  . The solubility of these gases decreases in the order

a. CO > O2 > CO2 > C2 H 2

b. O2 > CO2 > CO > C2 H 2

c. C2 H 2> CO2 > O2 > CO

d.O2 >  CO2 > C2 H 2 > CO

Ans. c

(83)

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