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Correct Answer: B
Solution :
\[\pi =CRT\] \[\pi =\frac{w\times R\times T}{mV}=\frac{68.4\times 0.0821\times 273}{342}\]= 4.92 atm
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Page 2
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Correct Answer: A
Solution :
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Page 3
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Correct Answer: B
Solution :
\[\pi =\frac{n}{V}RT=\frac{m/MRT}{V}\] \[\frac{600}{760}=\frac{20\times 0.0821\times 288\times 1000}{500\times M}\]; \[M=1200\]
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Page 4
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Correct Answer: C
Solution :
\[\pi =\frac{1.66+2.46}{2}=2.06\,atm\]
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Page 5
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Correct Answer: A
Solution :
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Page 6
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Correct Answer: D
Solution :
Copper ferrocyanide ppt. acts as a semipermeable membrane.
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Page 7
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Correct Answer: B
Solution :
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Page 8
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Correct Answer: A
Solution :
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Page 9
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Correct Answer: A
Solution :
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Page 10
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Correct Answer: D
Solution :
\[P=CRT\] or \[\frac{P}{C}=RT\]
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Page 11
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Correct Answer: D
Solution :
\[\pi =CRT\] or \[\pi =\left( \frac{{{P}^{0}}-{{P}_{s}}}{{{P}^{0}}} \right)\times \frac{dRT}{M}\]
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Page 12
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Correct Answer: A
Solution :
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Page 13
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Correct Answer: B
Solution :
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Page 14
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Correct Answer: C
Solution :
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Page 15
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Correct Answer: B
Solution :
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Page 16
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Correct Answer: B
Solution :
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Page 17
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Correct Answer: B
Solution :
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Page 18
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Correct Answer: A
Solution :
Isotonic solutions are those which have same concentration.
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Page 19
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Correct Answer: C
Solution :
\[\pi =CRT\]\[=0.2\times 0.0821\times 293=4.81\]atm.
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Page 20
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Correct Answer: B
Solution :
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Page 21
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Correct Answer: D
Solution :
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Page 22
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Correct Answer: B
Solution :
Equal osmotic pressure only applicable of non-electrolytes solution at low concentration.
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Page 23
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Correct Answer: C
Solution :
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Page 24
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Correct Answer: C
Solution :
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Page 25
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Correct Answer: C
Solution :
As soon as the solute molecules increases the osmotic pressure of solution increase.
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Page 26
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Correct Answer: B
Solution :
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