A. C2H6O
B. C6H18O3
C. C6H12O6
D. C2H5O
Submitted by: Muhammad Ali Kunbhar
Related Mcqs:
- A substance is analyzed and found to have an emperical formula of CH2 and a molar mass of 56g/mole. What is the molecular formula of the compound?
A. C2H4
B. C3H6
C. C4H8
D. C5H10Submitted by: Muhammad Ali Kunbhar
- The molecular formula for cholesterol is C27 H46 O. What are the degrees of unsaturation for this compound?
A. 5
B. 6
C. 7
D. 8Submitted by: Muhammad Ali Kunbhar
- The molar mass of an organic acids is determined by____________?
A. Depression of freezing point
B. Volumetric method
C. Victor Meyer’s method
D. Osmosis methodSubmitted by: Muhammad Ali Kunbhar
- Ammonium cynanate was 1st Inorganic compound that was converted into an Organic compound (in Lab) through boiling water. The organic compound was____.
A. Methane
B. Ethanol
C. Acetic acid
D. UreaSubmitted by: Aamir khan Hullio
- By which method the molecular mass of benzene was determined as 78.108 ?
A. Specific gravity method
B. Vapour density method
C. X-ray diffraction method
D. Distillation methos - A sample of an iron and oxygen ore has a mass of 35.8 grams. The iron in the compound has a mass of 27.9 grams. What is the percent iron in the ore?
A. 74% Fe
B. 75% Fe
C. 77% Fe
D. 78% FeSubmitted by: Muhammad Ali Kunbhar
- Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?
A. 20cm3/min
B. 40cm3/min
C. 160cm3/min
D. 2.5cm3/min - The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?
A. vaporization
B. evaporation
C. crystallization
D. sublimation - 0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________?
A. Value of a
B. Mass
C. Atoms
D. Both B and C - How many isomeric aldoses are possible for the molecular formula C6H12O6?
A. 2
B. 4
C. 7
D.16Submitted by: Muhammad Ali Kunbhar
