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. 8
Chemistry Mcqs
The most appropriate method for separating a large quantity of a mixture of nonvolatile, nonpolar organic compounds would be__________?
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
The relatively high energy of the gauche conformation of butane is primarily associated with_________?
The relatively high energy of the gauche conformation of butane is primarily associated with_________?
A. Angle strain
B. Torsional strain
C. Steric strain
D. Orbital strain
When an aldehyde is reacted with hydrogen cyanide a ” Cyanihydrin” is formed. This process is best termed as __________?
When an aldehyde is reacted with hydrogen cyanide a ” Cyanihydrin” is formed. This process is best termed as __________?
A. Electrophilic addition
B. Electrophilic substitution
C. Nucleophilic addition
D. Necleophilic substitution
Which of the following solvents would best facilitate an SN2 substitution reaction?
Which of the following solvents would best facilitate an SN2 substitution reaction?
A. Water
B. Hexane
C. Dimethylflormamide
D. Ethanol
In a molecule of carbon monoxide, what are the formal charges on the two atoms?
In a molecule of carbon monoxide, what are the formal charges on the two atoms?
A. Carbon=0, Oxygen=0
B. Carbon= +1, Oxygen= -1
C. Carbon= -1, Oxygen= +1
D. Carbon=0, Oxygen= -1
Which of the following aqueous solutions would have the highest boiling point?
Which of the following aqueous solutions would have the highest boiling point?
A. 0.20 m glucose
B. 0.20 m NaCl
C. 0.15 m CaCl2
D. 0.25 m sucrose
The mass of 3.2 moles of ammonia (NH3) gas?
The mass of 3.2 moles of ammonia (NH3) gas?
A. 53.4 grams
B. 54.4 grams
C. 55.4 grams
D. 56.4 grams
How many moles are in 22.2 grams of Calcium chloride, CaCl2?
How many moles are in 22.2 grams of Calcium chloride, CaCl2?
A. 0.2 moles
B. 0.3 moles
C. 0.4 moles
D. 0.5 moles
What is the mass percent of silver in silver notrate, AgNO3?
What is the mass percent of silver in silver notrate, AgNO3?
A. 64.5%
B. 65.6%
C. 63.5%
D. 61.5%