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MCQ's Test For Chapter 6 "Chemical Energetics"
Try The MCQ's Test For Chapter 6 "Chemical Energetics"
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Total Questions17
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Time Allowed20
Chemical Energetics
00:00
Question # 1
Consider a reaction with Delta H > 0 and Delta S<0 this reaction will be
Question # 2
Which of the following causes entropy to increases
Question # 3
Which law states that enthalpy change is independent of the path taken.
Question # 4
Which stepin the Born-Haber cycle is always endothermic
Question # 5
Born Haber cycle is used to calculate
Question # 6
What type of reation has a negative Delta H and Delta S?
Question # 7
Which of the following is an extensive property.
Question # 8
Which of the following affects bond energy.
Question # 9
A process with increase in entropy and enthalpy is spontaneous at.
Question # 10
Ion an exothermic reaction , the nergy of products is
Question # 11
When a bond is formed
Question # 12
Standard enthalpy chagne refers to
Question # 13
Suppose there are 100 molecules of a gas initially in jar A, which is connected to an evacuated jar B, When the stopcock is opened, the positive ways of arrangement of molecules will be
Question # 14
Enthalpy change in hydration depends on.
Question # 15
If a chemical reaction has Delta H = -100 kj/mol, it is.
Question # 16
The change in internal energy is zero is.
Question # 17
The standard enthalpy of atomization of an element is alwyas.
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FSc Part 1 Chemistry (New Book) Chapter 6 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | What type of reation has a negative Delta H and Delta S? |
A. Always spntaneous
B. Never spontaneous
C. Spontaneous at low temp
D. Spontaneous at high temp
|
| 2 | The sign of Delta H during melting is. |
A. Negative
B. Positive
C. Zero
D. Can't be predicted
|
| 3 | Which of the followng quantitites is NOT typically determined using Hess's Law. |
A. Enthalpy change of formation
B. Activation energy
C. Enthalpy chage f combustion
D. Enthalpy chage of reaction
|
| 4 | If a chemical reaction has Delta H = -100 kj/mol, it is. |
A. Endothermic
B. Exothermic
C. Isothermal
D. Isobaric
|
| 5 | Which factor affects lattice energy |
A. Ion size
B. Ion charge
C. Crystal structure
D. None of these
|
| 6 | Which of the following is an extensive property. |
A. Enthalpy
B. Temperature
C. Density
D. Pressure
|
| 7 | Delta H is negative and Delta S is position then reaction is. |
A. Equilibrium
B. Always spontaneous
C. Temperature depends
D. Non sppontaneous
|
| 8 | The energy required to break a chemical bond is called. |
A. Ionization energy
B. Bond energy
C. Enthalpy
D. Activation energy
|
| 9 | Which of the following causes entropy to increases |
A. Condensation
B. Freezing
C. Evaporation
D. Crystallization
|
| 10 | Standard enthalpy chagne refers to |
A. STP
B. 25 oC and 1 atm
C. 100 oC
D. 0 oC and 1 atm
|
Test Questions
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09 Jan 2018thanks
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