`3cm^(3)` of a gaseous hydrocarbon is exploded with excess of oxygenh. On cooling the mixture, the obseved contraction is found to be `6cm^(3)`. Vapour density of the hydrocarbon is 14. what is the molecular formula of the hydrocarbon.

20 mL of a gaseous hydrocarbon is exploded with excess oxygen in an eudiometer tube and the contraction in volume was 70 mL. Vapour density of the hydrocarbon is 29. Find its molecular formula

In a hydrocarbon y.c = 75. vapour density of the compound .Find the cmperical & molecular formula of the compound.

At the same temperature and pressure, a gaseous hydride contains twice of its own volume of hydrogen. Vapour density of the hydride is 14. what is its molecular formula?

The vapour density ratio of two gases is 1 :3 . What is their ratio of molecular weights?

20cm^(3) of gaseous hydrocarbon mixed with excess of oxygen is exploded. A contraction in the volume of 30cm^(3) takes place. On treating the produces gaseous mixture with KOH solution, it sufffers a further contraction of 40 cm^(3) . Determine the molecular formula of the hydrocarbon. [all volumes are measured at the same temperature and pressure].

Under the same conditions of temperature and pressure, a gaseous hydrocarbon contains hydrogen which is twice of its volume. If the vapour density of that hydrocarbon is 14, then what will be its molecular formula?

10 mL of a gaseous hydrocarbon is completely combusted with 60 mL of oxygen by passing electric spark. The volume of the gaseous mixture thus yielded on cooling becomes 46 mL, iff the vapour density of the compound is 15, what will be its molecular formula? [All volumes were measured under the same conditions of temperature and pressure.]

20cm^(3) of a hydrocarbon mixed with 66cm^(3) of oxygen is exploded. After cooling the gaseous mixture, the volume becomes 56cm^(3) . The volume of this mixture when shaken with KOH solution reduces to 16cm^(3) . Determine the formula of the hydrocarbon. [all volumes are measured at the same temperature and pressure].

100 cm^(3) of a mixture of CO, C_(2)H_(6) and N_(2) is exploded in presence of excess O_(2) . On cooling, the observed contraction in volume and the volume of CO_(2) formed are both equal to the volume original mixture. Find the volumetric composition of the original volume.

A gaseous hydrocarbon gives upon combustion 0.72g water and 3.08g CO_(2) . The empirical formula of the hydrocarbon-