# Equilibrium

## For the reaction  at  is and  at  is . Then, which of the following statements is incorrect?

A
The reaction is an exothermic one.
B
An increase in temperature increases the formation of .
C
An increase in pressure increase the formation of .
D
A decrease in temperature and increase in pressure shifts the equilibrium towards left.
Hard
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## Blood is controlled by the concentrations of  and . In the presence of , of blood:

A
increases
B
decreases
C
does not change
D
first decreases and then increases
Hard
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## Which of the following mixture is not a buffer solution?

A
100 ml of 0.5 and 100 ml of 0.6
B
100 ml of 0.6   and 100 ml of 0.4
C
100 ml of 0.2 and 100 ml of 0.2
D
100 ml of 0.4 and 100 ml of 0.4
Hard
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