8.4 ml of a gaseous hydrocarbon was burnt with 50 ml of `O_2` in a eudiometer tube. The volume of the products formed after cooling to room temperature was 37.4 ml, when reacted with NaOH, the volume contracted to 3.8 ml. The molecular formula of the hydrocarbon is

8.4 " mL of " gaseous hydrocarbon A was burnt with 50 " mL of " O_2 in a eudiometer tube. The volume of the products after cooling to room temperature was 37.4 mL. When reacted with NaOH, the volume contracted to 3.8 mL. What is the molecular formula of A.

20 mL of methane is completely burnt using 50 mL of oxygen. The volume of the gas left after cooling to room temperature is

20 mL of methane is completely burnt using 50 mL of oxygen . The volume of the gas left after cooling to room temperature is

20 " mL of " a gasous bydrocarbon (A) was exploded with excess of O_2 in an eudiometer tube. On cooling, the volume was reduced by 50 mL. On further treatment with KOH, there was further contraction of 40 mL. The molecular formula of the hydrocarbon A is (a). C_2H_6 (b). C_2H_4 C_3H_6 (d). C_3H_8