A hydrocarbon with a molecular formula `C_nH_(2n+2)` diffuse twice as first as sulphur dioxide at the same temperature.Find the molecular mass of the hydrocarbon. (Atomoc mass of S = 32)

What class of compounds have a molecular formula, C_(n)H_(2n+2)O

An unsaturated hydrocarbon having the molecular formula C_5H_8 gives two molecules of formal dehyde and one molecule of 2- ketopropanal on ozonolysis.Write the structure of the hydrocarbon .

If the ratio of rates of diffusion of gases are 6:4, then find the ratio of their molecular mass.

50 ML of CO_2 at NTP weight 0.0982 gm. calculate the molecular mass of carbon dioxide .

500mL of a hydrocarbon gas burnt in excess of oxygen yielded 2500 mL of Co_2 and 3.0 liter of water vapour (all volumes measured at the same temperature and pressure). The formula of the hydrocarbon is :

A compound with molecular formula CH_(5)N on treatment with HNO_(2) liberates a colourless and odourless gas. What is the name of the compound and the gas liberated ? Write the equation.

A compound on analysis gave the following percentage composition. Na =14.31% , S= 9.97% , H= 6.22% , O=69.5% . The molecular mass of the substance is given as 322 Determine the molecular formula on the assumption that all the hydrogen atoms present in combination with oxygen as water of crystallisation : (AT. mass of Na =23 , H=1 , S=32, O=16)