NaOH is absorbent for

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ALOK_RAJ Asked Nov 17, 2023

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15 mL of a gaseous hydrocarbon required for complete combustion 357 mL air (containing 21% O2 by volume) and the gaseous products occupied 327 mL. What is the formula of the hydrocarbon?

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2 liters of carbon monoxide at STP will require for complete oxidation the following volume of oxygen at STP

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An organic compound CxH2yOy was burnt with twice the amount of oxygen needed for complete combustion to CO2 and H2O.

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What volume of CO2 at $27^{\circ} C$ and 700 mm pressure will be formed when 100mL of carbon monoxide at $127^{\circ} C$ and 725 mm is completely oxidized with oxygen gas?

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A mixture of 20mL of methane and 30mL of oxygen is exploded. What is the volume after reaction and the composition of the resulting product? All the measurements are made under identical conditions.

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100 mL of carbon monoxide are mixed with 40 mL of oxygen and exploded. If the resulting mixture is shaken with caustic potash, what volume of the gas will remain and what gas will it be?

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ALOK_RAJ Asked Nov 17, 2023

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100 mL of PH3 when decomposed produced solid phosphorus and hydrogen. The change in volume is :

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Chandan Asked Sep 15, 2023

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Moisture is absorbed by

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Half a litre of CO2 is passed over red-hot carbon. The volume becomes 700 mL.

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A 20.0 cm3 mixture of CO, CH4 and He gases is exploded by an electric discharge at room temperature with excess of oxygen.

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Chandan Asked Sep 12, 2023

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100 mL of air containing only oxygen and nitrogen is taken in a jar over water. NO is slowly passed till more brown fumes appear in the gas jar. It is found that 42 mL of NO is required. The percentage nitrogen in the air would be:

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Chandan Asked Sep 12, 2023

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20 mL of CO is exploded with 30 mL O2. The final volume of the gases is :

Chandan Asked Sep 12, 2023

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ALOK_RAJ Asked Sep 2, 2023

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Volume of O2 required to burn 100 mL of C2H2 at STP is ....

ALOK_RAJ Asked Sep 2, 2023

by ALOK_RAJ

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Chandan Asked Aug 8, 2023

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NO is absorbed by ...

Chandan Asked Aug 8, 2023

by Chandan

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ALOK_RAJ Asked May 7, 2022

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A mixture of 10 mL of H2 and 10 mL of O2 (under identical conditions) is exploded. The mixture after explosion consists of :

ALOK_RAJ Asked May 7, 2022

by ALOK_RAJ

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Aayush Asked Jan 5

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20mL of a gaseous hydrocarbon was exploded with excess of oxygen and the mixture cooled. There was a contraction of 40mL. On treatment with KOH, there was a further contraction of 40mL. Deduce the molecular formula of hydrocarbon.

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A sample of coal gas contains 45% hydrogen, 30% methane, 15% carbon monoxide and 10% acetylene. 100 vol. of this gas were mixed with 200 vol. of oxygen and exploded. Find the composition of the resulting mixture on cooling.

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Calculate the volume of oxygen at STP to burn 20mL of acetylene at STP

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8.40 mL. of a mixture of CO and C2H2 gases was mixed with 100 mL of oxygen in a eudiometer tube and fired.

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When 150 mL of ozonized oxygen was passed through a red hot tube, the volume increased by 10 mL. The percentage of ozone in the sample was :

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0.9g of a solid organic compound (mol. wt. 90) containing carbon, hydrogen, and oxygen was heated with oxygen corresponding to a volume of 224mL at STP

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50mL of ammonia was decomposed by a series of electric sparks and the volume after decomposition was 97mL.

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by ALOK_RAJ

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ALOK_RAJ Asked Sep 2, 2023

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A mixture of CO, CH4 and C2H6 measuring 10mL was mixed with 40 mL of oxygen and fired in a moist eudiometer tube.

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ALOK_RAJ Asked Sep 2, 2023

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10mL of a mixture of CO2CH4 and nitrogen exploded with excess of oxygen gave a contraction of 6.5mL, there was a further contraction of 7mL when the residual gas was treated with caustic potash.

ALOK_RAJ Asked Sep 2, 2023

by ALOK_RAJ

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ALOK_RAJ Asked Sep 2, 2023

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60mL of a mixture of CO and H2 yielded 20mL of CO2 after explosion with an excess of oxygen.

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Chandan Asked Aug 8, 2023

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A mixture of methane and excess of oxygen was completely burnt and a contraction in 40 mL of volume was observed.

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40 mL of a mixture of CO and H2 yielded 15 mL of CO2 after explosion with an excess of O2. The percentage of CO in the mixture would be:

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By passing silent electric discharge into 50mL of pure and dry oxygen gas, the volume of ozonized oxygen became 47mL.

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Deduce the molecular formula of oxide of nitrogen from the following data:

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