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Eudiometry

28 questions on Eudiometry from the Gaseous State: Ideal Gases chapter: 5 NEET level, 9 JEE Main, 14 JEE Advanced. Each one opens with its answer and solution.

Practice this topic All Gaseous State: Ideal Gases topics

In a eudiometer, 20 mL of H2 is mixed with 20 mL of O2 and exploded. After cooling to room temperature, the volume of the residual gas is NEET level
10 mL of a gaseous hydrocarbon requires 25 mL of O2 for complete combustion and produces 20 mL of CO2 (all volumes at the same temperature and pressure, water a... JEE Main level
30 mL of CO and 20 mL of O2 are exploded in a eudiometer. The volume of the gaseous mixture after the reaction, measured at the same temperature and pressure, i... JEE Main level
20 mL of a mixture of CO and CH4 was exploded with 30 mL of O2. After cooling, the residual gas measured 28 mL, which on treatment with KOH solution shrank to 8... JEE Advanced level
10 mL of a gaseous hydrocarbon C_xH_y was exploded with 50 mL of O2 (in excess). After cooling to room temperature the gas volume was 35 mL, and after absorptio... JEE Advanced level
A mixture of 10 mL H2, 10 mL CH4 and 40 mL O2 is exploded in a eudiometer and the products are cooled to room temperature (water liquid). Which statements are c... JEE Advanced level
In eudiometry, CO2 produced on combustion is usually absorbed by NEET level
20 mL of NH3 is completely decomposed into N2 and H2 by electric sparks in a eudiometer. The volume of the gaseous mixture after decomposition (same T and P) is JEE Main level
10 mL of a gaseous hydrocarbon on complete combustion gives 30 mL of CO2 and 40 mL of water vapour, all measured at the same temperature and pressure above 100 ... JEE Main level
15 mL of a mixture of N2 and NO was mixed with excess O2 and the NO2 formed was absorbed completely in alkali. The total volume decreased by 9 mL (all at the sa... JEE Advanced level
20 mL of ethane, C2H6, is mixed with 100 mL of O2 and exploded. After cooling to room temperature the residual gas is passed through KOH solution. The volume of... JEE Advanced level
10 mL of a gaseous compound C_xH_yN_z is burnt in excess oxygen in a eudiometer. Nitrogen is liberated as N2. After cooling, the volume of CO2 formed is 20 mL a... JEE Advanced level
In eudiometry, unreacted oxygen in the residual gas is absorbed by NEET level
10 mL of CH4 is burnt completely in oxygen. The volume of CO2 formed, measured at the same temperature and pressure, is NEET level
15 mL of a gaseous hydrocarbon was exploded with 60 mL of O2. The residual gas after cooling measured 45 mL, and after treatment with KOH it measured 15 mL. The... JEE Main level
40 mL of a mixture of H2 and O2 was sparked. After cooling, 10 mL of O2 remained. The volume of H2 in the original mixture was JEE Main level
25 mL of propane, C3H8, is burnt completely in just sufficient oxygen. The total volume of the gaseous products in mL (nearest integer), measured at the same te... JEE Main level
Which of the following are correct statements about eudiometry (gas analysis in a graduated tube over mercury)? JEE Main level
20 mL of a mixture of C2H2 and C2H4 required 55 mL of O2 for complete combustion (all volumes at the same T and P). The volume of C2H2 in the mixture was JEE Advanced level
50 mL of a mixture of CO, CO2 and N2 was treated with KOH, reducing the volume to 40 mL. The remaining gas was mixed with 20 mL of O2 and exploded, and after co... JEE Advanced level
The volume of air (taken as 20% O2 by volume) in mL (nearest integer) required for the complete combustion of 10 mL of butane, C4H10, all volumes measured at th... JEE Advanced level
10 mL of C2H4 is exploded with 40 mL of O2 and the products are cooled to room temperature. The contraction in volume in mL (nearest integer) is JEE Advanced level
10 mL of a gaseous hydrocarbon is mixed with 70 mL of O2 and exploded. After cooling to room temperature the volume is 50 mL; after KOH it is 20 mL; after alkal... JEE Advanced level
Which of the following gases is NOT absorbed by KOH solution in a eudiometer? NEET level
20 mL of H2S is burnt in excess O2 according to 2H2S + 3O2 -> 2SO2 + 2H2O. After cooling to room temperature, the volumes of SO2 formed and O2 consumed are resp... JEE Main level
30 mL of a mixture of CH4 and C2H6 was burnt in excess O2. After cooling, the CO2 formed was absorbed by KOH and the contraction on absorption was 40 mL. The mo... JEE Advanced level
20 mL of a mixture of CO and H2 was exploded with 25 mL of O2. After cooling to room temperature the residual gas measured 27 mL. The volume of CO in mL (neares... JEE Advanced level
10 mL of a gaseous compound containing only C, H and O was burnt in 45 mL of O2 (excess). After cooling the volume was 35 mL, and after KOH it was 15 mL (pure O... JEE Advanced level