A nitrogen oxide contains 30.43% nitrogen by mass. Which of the following could be its molecular formula?

A compound has the empirical formula C2H4O. If its molecular mass is 88 g/mol, what is its molecular formula?

The formula of a compound which gives simple whole number atomic ratio in one molecule of a compound is called:

An organic compound having molecular mass 60 is found to contain C=20%, H=6.67% and N=46.67% while rest is oxygen. On heating it gives ${\rm{N}}{{\rm{H}}_3}$ along with a solid residue. The solid residue gives violet colour with alkaline copper sulphate solution. The compound is

A compound has the molecular formula C$_2$H$_4$O$_2$. What is its empirical formula?

The empirical formula of naphthalene is:

An organic compound contains 49.3% carbon, 6.84% hydrogen and its vapour density is 73. Molecular formula of compound is

A compound has an empirical formula of CH and a molecular mass of 78 g/mol. What is its molecular formula?

A hydrocarbon contain , the vapour density of compound is 30, empirical formula of compound is

The formula of a compound which gives simple whole number atomic ratio in one molecule of a compound is called:

A hydrocarbon contains 85.7% carbon. Its molecular mass is 42. The molecular formula of the compound is: