Related Questions
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 along with a solid residue. The solid residue gives violet colour with alkaline copper sulphate solution. The compound is
The empirical formula of glucose is CHO. If its molecular weight is 180, what is the molecular formula of glucose?
CHO
CHO
CHO
CHO
An organic compound contains 49.3% carbon, 6.84% hydrogen and its vapour density is 73. Molecular formula of compound is
CβHβ Oβ
CβHββOβ
Cβ HββOβ
CβHβOβ
A compound contains 4.07 % Hydrogen, 24.27 % carbon and 71.65 Chlorine, its empirical formula is
A compound contains 40% carbon, 6.67% hydrogen, and 53.33% oxygen. Its empirical formula is:
CH2O
C2H4O2
CHO
C2H4O
A hydrocarbon contains 80% carbon (atomic mass=12u) and 20% hydrogen(atomic mass=1u) by mass. Calculate its empirical formula.
C2H6
CH3
CH4
C3H8
A compound has an empirical formula of CH and a molecular mass of 78 g/mol. What is its molecular formula?
C2H2
C4H4
C6H6
C8H8
A substance contains 24% carbon and 76% fluorine by weight. What is the empirical formula of this substance? (Atomic weights: C=12, F=19)
C2F4
CF
CF4
CF2
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)
CH2O
C2H4O2
CHO
CH3O