Enthalpy of Solution of CuSO4 NEET Questions

Organic Chemistry - Principles of Practical Chemistry

Enthalpy of Solution of CuSO4 MCQ Questions


13.
Standard enthalpy change ΔH° refers to enthalpy change measured at:
A.
1 atm pressure and 0 K
B.
Vacuum and absolute zero
C.
Any pressure and any temperature
D.
1 bar pressure and a specified temperature (usually 298 K)
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ANSWER :
D. 1 bar pressure and a specified temperature (usually 298 K)
14.
Intensive properties are those which:
A.
Are always negative
B.
Depend on amount (e.g., mass, V)
C.
Do not depend on the amount of substance (e.g., T, P, density)
D.
Cannot be measured
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ANSWER :
C. Do not depend on the amount of substance (e.g., T, P, density)
15.
Which of the following is an extensive property?
A.
Volume (V)
B.
Density
C.
Refractive index
D.
Temperature (T)
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ANSWER :
A. Volume (V)
16.
Heat capacity (C) of a substance is:
A.
Pressure of substance
B.
Heat required to raise the temperature of the substance by 1 K (or 1 °C)
C.
Density of substance
D.
Mass of substance
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ANSWER :
B. Heat required to raise the temperature of the substance by 1 K (or 1 °C)
17.
Specific heat capacity of water is approximately:
A.
0.418 J K⁻¹ g⁻¹
B.
418 J K⁻¹ g⁻¹
C.
1.00 J K⁻¹ g⁻¹
D.
4.18 J K⁻¹ g⁻¹ (or 4.184 J K⁻¹ g⁻¹)
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ANSWER :
D. 4.18 J K⁻¹ g⁻¹ (or 4.184 J K⁻¹ g⁻¹)
18.
In calorimetry, q = m × s × ΔT calculates:
A.
Volume of solution
B.
Mass of solute
C.
Pressure of system
D.
Heat absorbed or released by the substance
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ANSWER :
D. Heat absorbed or released by the substance