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. Carbon=0, Oxygen=0
B. Carbon= +1, Oxygen= -1
C. Carbon= -1, Oxygen= +1
D. Carbon=0, Oxygen= -1
In a molecule of carbon monoxide, what are the formal charges on the two atoms? Read More »
Chemistry Mcqs A. 0.20 m glucose
B. 0.20 m NaCl
C. 0.15 m CaCl2
D. 0.25 m sucrose
Which of the following aqueous solutions would have the highest boiling point? Read More »
Chemistry Mcqs A. 53.4 grams
B. 54.4 grams
C. 55.4 grams
D. 56.4 grams
The mass of 3.2 moles of ammonia (NH3) gas? Read More »
Chemistry Mcqs A. 0.2 moles
B. 0.3 moles
C. 0.4 moles
D. 0.5 moles
How many moles are in 22.2 grams of Calcium chloride, CaCl2? Read More »
Chemistry Mcqs A. 64.5%
B. 65.6%
C. 63.5%
D. 61.5%
What is the mass percent of silver in silver notrate, AgNO3? Read More »
Chemistry Mcqs A. 74% Fe
B. 75% Fe
C. 77% Fe
D. 78% Fe