A. Depression of freezing point
B. Volumetric method
C. Victor Meyer’s method
D. Osmosis method
Submitted by: Muhammad Ali Kunbhar
Related Mcqs:
- A compound is determined to have an emperical formula of C2H6O and a molar mass of 138 g/mole. What is the molecular formula?
A. C2H6O
B. C6H18O3
C. C6H12O6
D. C2H5OSubmitted by: Muhammad Ali Kunbhar
- Hydrogen effuses four times more rapidly than volume of an unknown gas molar mass of unknown gas should be_______________?
A. 16 gmol-1
B. 32 gmol-1
C. 48 gmol-1
D. 64 gmol-1 - 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
- 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 - Mass spectrometer is used to determine Mass number of isotopes and___________________?
A. Atomic number
B. Relative abundance
C. Electronic configuration
D. All of the above - 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
- The Lewis acids are__________________?
A. Electron deficient
B. Electron rich
C. Octet is complete
D. No such acids exist - Nucleic acids were first demonstrated in_________________?
A. Pus cells
B. Sperm heads
C. 1872
D. all of the above - The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called _________________?
A. esterification
B. neutralization
C. hydrolysis
D. saponification
