The most appropriate method for separating a large quantity of a mixture of nonvolatile, nonpolar organic compounds would be__________?
A. Distillation
B. Extraction
C. Gas chromatography
D. Column chromatography
A. Distillation
B. Extraction
C. Gas chromatography
D. Column chromatography
A. Angle strain
B. Torsional strain
C. Steric strain
D. Orbital strain
A. Electrophilic addition
B. Electrophilic substitution
C. Nucleophilic addition
D. Necleophilic substitution
A. Water
B. Hexane
C. Dimethylflormamide
D. Ethanol
Which of the following solvents would best facilitate an SN2 substitution reaction? Read More »
Chemistry Mcqs A. p-electrons in Ne(Z = 10)
B. s-electrons in Mg(Z = 12)
C. d-electrons in Fe(Z = 26)
D. p-electrons in CI(Z = 17)
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of____________? Read More »
Chemistry Mcqs A. smelting
B. roasting
C. calcinations
D. froth floatation
A. H2 at -73oC
B. CH4 at 300 K
C. N2 at 1,027oC
D. O2 at 0oC
The molecules of which gas have highest speed? Read More »
Chemistry Mcqs A. Dalton’s law
B. Gay Lussac’s law
C. Henry’s law
D. Raoult’s law
A. H2CO3 – HCO3
B. H2CO3 – CO32-
C. CH3COOH – CH3COO–
D. NH2CONH2 – NH2CONH+
The main buffer system of the human blood is____________? Read More »
Chemistry Mcqs A. alcohol
B. carbon dioxide
C. chlorine
D. sodium chlorine
The most commonly used bleaching agent is_________? Read More »
Chemistry Mcqs