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0.90 g of a solid organic compound (mole...

0.90 g of a solid organic compound (molecular weight = 90) containing C, H and O was heated with oxygen corresponding to a volume of 224 mL at STP. After the combustion the total volume of the gases was 560 mL at STP. On treatment with KOH the volume decreased to 112 mL. Determine the molecular formula of the compound.

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`C_(2)H_(2)O_(4)`
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0.9 gm of a volatile solid organic compound (molecular weight =90) containing carbon, hydrogen and oxygen was heated with 224 ml of oxygen at 1 atm and 0^(@) c. After combustion, the total volume of gases was 560 ml at same T and P. On treatment with KOH, the volume decreased to 112ml. Determine the value of x+y+z if molecular formula of organic compound is C_(x)H_(y)O_(z).

0.01 mol of a gaseous compound C_(2)H_(2)O_(x) was treated with 224 mL of O_(2) at STP . After combustion the total volume of the gases is 560 mL at STP . On treatment with KOH solution the volume decreases to 112 mL . The volue of x is:

10 " mL of " a gaseous organic compound containing C, H and O only was mixed with 100 " mL of " O_(2) and exploded under condition which allowed the H_(2)O formed to condense. The volume of the gas after explosion was 90 mL. On treatment with KOH solution, a further contraction of 20 mL in volume was observed. The vapour density of the compound is 23. All volume measurements were made under the same condition. Q.The molecular formula of the compound is

10 " mL of " a gaseous organic compound containing C, H and O only was mixed with 100 " mL of " O_(2) and exploded under condition which allowed the H_(2)O formed to condense. The volume of the gas after explosion was 90 mL. On treatment with KOH solution, a further contraction of 20 mL in volume was observed. The vapour density of the compound is 23. All volume measurements were made under the same condition. Q.The volume of unreacted O_(2) is

10 " mL of " a gaseous organic compound containing C, H and O only was mixed with 100 " mL of " O_(2) and exploded under condition which allowed the H_(2)O formed to condense. The volume of the gas after explosion was 90 mL. On treatment with KOH solution, a further contraction of 20 mL in volume was observed. The vapour density of the compound is 23. All volume measurements were made under the same condition. Q.The volume of CO_(2) is

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