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shahzaib hassan
CHEMISTRY
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Chemistry
What type of intermolecular force is the strongest?
A. London dispersion forces.
B. Dipole-dipole interactions.
C. Hydrogen bonding.
D. Van der Waals forces.
shahzaib hassan
CHEMISTRY
-
Chemistry
Which of the following processes occurs at the cathode in an electrolytic cell?
A. Oxidation.
B. Reduction.
C. Electrolysis.
D. Decomposition.
shahzaib hassan
CHEMISTRY
-
Chemistry
What is the empirical formula of a compound with 40% carbon, 6.7% hydrogen, and 53.3% oxygen by mass?
A. CHO.
B. CH2O.
C. C2H4O2.
D. C3H6O.
shahzaib hassan
CHEMISTRY
-
Chemistry
In a galvanic cell, what happens at the anode?
A. Oxidation.
B. Reduction.
C. Both oxidation and reduction.
D. No reaction.
shahzaib hassan
CHEMISTRY
-
Chemistry
Which of the following best describes a Lewis acid?
A. Donates electrons.
B. Accepts electrons.
C. Donates protons.
D. Accepts protons.
shahzaib hassan
CHEMISTRY
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Chemistry
What is the coordination number of the central metal ion in the complex [Co(NH3)6]3+?
A. 3.
B. 6.
C. 4.
D. 2.
shahzaib hassan
CHEMISTRY
-
Chemistry
Which gas law explains the relationship between temperature and volume at constant pressure?
A. Boyle?s Law.
B. Charles? Law.
C. Avogadro?s Law.
D. Dalton?s Law.
shahzaib hassan
CHEMISTRY
-
Chemistry
What is the main characteristic of a buffer solution?
A. It changes pH drastically with added acid.
B. It maintains a constant pH.
C. It neutralizes only bases.
D. It reacts violently with strong acids.
shahzaib hassan
CHEMISTRY
-
Chemistry
Which of the following describes the process of reducing a ketone to an alcohol?
A. Oxidation.
B. Reduction.
C. Hydrolysis.
D. Dehydration.
shahzaib hassan
CHEMISTRY
-
Chemistry
What is the oxidation state of sulfur in sulfuric acid (H2SO4)?
A. 4.
B. 6.
C. -2.
D. 0.
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