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

The empirical formula of naphthalene is:

An organic compound is found to contain 40% carbon, 6.67% hydrogen, and 53.33% oxygen by weight. What is the empirical formula of this compound? (Atomic weights: C=12, H=1, O=16)

An organic compound contains 40% carbon, 6.67% hydrogen, and 53.33% oxygen. Its vapour density is 30. What is its molecular formula?

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

An organic compound contains 49.3% carbon, 6.84% hydrogen and its vapour density is 73. Molecular 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 compound X contains 32% of A, 20% of B, and the remaining percentage of C. The empirical formula of X is: (Given atomic masses of A = 64 u; B = 40 u; C = 32 u)

What is the empirical formula of a compound having 40% carbon, 6.66% hydrogen and 53.34% oxygen?

What is the empirical formula of a compound having 40% carbon, 6.66% hydrogen and 53.34% oxygen?