An Annie compound is found to contain $40 %$ carbon $6.7 %$ hydrogenand $53.3 %$ oxygen with a molecular mass of $60 g$ . What is the molecular formulae of molecular compound?

Open in App

Solution

Molecular mass of compound $= 60 g / m o l e$
Thus $1$ mole of compound contain $= 60 g$
in $1$ mole of compound.
$C$ is $40 % = 60 \times \frac{40}{100} = 24 g$
Moles of carbon in $1$ mole of compound $= \frac{24 g}{12 g / m o l e} = 2 m o l e$
In $1$ mole of compound
H is $6.7 % = 60 \times \frac{6.7}{100} = 4.02 g$
Mole of H in $1$ mole of compound $= \frac{4.02 g}{1 g / m o l e} ≃ 4 m o l e$
In $1$ mole of compound
O is $53.3 % = 60 \times \frac{53.3}{100} = 31.98 g ≃ 32 g$
Mole of O in $1$ mole of compound $= \frac{32 g}{16} = 2 m o l e$
Thus $1$ mole of comppound give
$2$ mole of C, $4$ mole H, $2$ mole of O
Thus formula of compound is $C_{2} H_{4} O_{2}$

Suggest Corrections

Similar questions

Q. An organic compound having molecular formula

C_{2} H_{6} O

undergoes oxidation with

K_{2} C r_{2} O_{7} / H_{2} S O_{4}

to produce X which contains 40% carbon, 6.7% hydrogen and 53.3% oxygen. The molecular formula of the compound X is:

An organic compound having molecular formula $C_{2} H_{6} O$ under goes oxidation with $\frac{K_{2} C r_{2} O_{7}}{H_{2} S O_{4}}$ to produce X which contains $40 %$ carbon, $6.7 %$ hydrogen and $53.3 %$ oxygen. The molecular formula of the compound X is

What is the empirical formula of a compound that contains 40% carbon, 6.7% hydrogen, and 53.3% oxygen?

Q. A certain non-volatile electrolyte contains 40% carbon , 6.7% hydrogen and 53.3% oxygen . An aqueous solution containing 5% by mass of the solute boils at 100.

15^{\circ} C .

Determine the molecular formula of the compound

(K_{b} = {0.5}^{\circ} C / m) :

Q. An organic compound contains 20% carbon, 6.7% hydrogen, and 46.67% nitrogen. Its molecular weight was found to be 60. Find the molecular formula of the compound.

Join BYJU'S Learning Program

An Annie compound is found to contain 40%carbon 6.7% hydrogenand 53.3% oxygen with a molecular mass of 60g. What is the molecular formulae of molecular compound?

An Annie compound is found to contain $40 %$ carbon $6.7 %$ hydrogenand $53.3 %$ oxygen with a molecular mass of $60 g$ . What is the molecular formulae of molecular compound?