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Chemical Equilibrium - 2
1.
__________ does not effect the equilibrium, but reduces the time to attain it.
a) Buffer
b) Molarities
c) Ksp (Sobibility product)
d) Catalyst
2.
At very high pressure and low temperature the yield of NH
3
is _____________
a) Very weak acid
b) Strong acid.
c) High
d) Pressure or valume
3.
Out of 1000 molecules of acetic acid ________ are dissociated into ions.
a) 13
b) 15
c) 17
d) 11
4.
Conjugate acid of a very strong base is relatively___________.
a) Strong acid.
b) Pressure or valume
c) Very weak acid
d) Henderson’s eqn.
5.
pH=pKa+log
[acid]
[salt]
is called___________.
a) Molarities
b) Ksp (Sobibility product)
c) Buffer.
d) Henderson’s eqn
6.
Buffer solution is the combination of a weak base and its salt with _____________.
a) Strong acid.
b) High
c) Pressure or valume
d) Very weak acid
7.
Common ion effect is the best application of _____________.
a) High
b) Pressure or valume
c) Very weak acid
d) Ksp (Sobibility product)
8.
A combination of H
3
PO
4
and Na
2
HPO
4
is called _____________.
a) High
b) Very weak acid
c) Catalyst.
d) Buffer.
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