I and II only
I and III only
II and IIl only
I, II and III
Correct answer is B
Which of the following statements is correet for a reaction at equilibrium?
All reactions cease to occur
The eaction has gone to completion
The rates of the forward and backward reactions are equal
The amount of product equals the amount of reactants
Correct answer is C
In a chemical reaction, chemical equilibrium is the state in which the forward reaction rate and the reverse reaction rate are equal. The result of this equilibrium is that the concentrations of the reactants and the products do not change.
Which of the following substances is not a reducing agent?
C
CO
O\(_2\)
H\(_2\)
Correct answer is C
- A reducing agent is oxidized, because it loses electrons in the redox reaction. - Elemental oxygen is a strong oxidizing agent.
I only
I and II only
Il and IIl only
I and Ill only
Correct answer is B
No explanation has been provided for this answer.
An alkanol containing 60% carbon by mass would have a molecular formula [H=1.0. C-12.0, O= 16.0]
CH\(_3\)OH
C\(_2\)H\(_5\)OH
C\(_3\)H\(_7\)OH
C\(_4\)H\(_9\)OH
Correct answer is C
No explanation has been provided for this answer.