Entry Test MCQ :: Diagnostic Test
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21. |
Which specie has unpaired electrons in antibonding molecular orbitals |
Answer: Option B
Explanation:
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22. |
Atomic radius can be determined by |
A. |
X - ray diffraction |
B. |
Spectrophotometer |
C. |
Optical microscope |
D. |
Electron microscope |
Answer: Option A
Explanation:
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23. |
For a given process the heat changes at constant pressure (qp) and at constant volume (qv) are related to each other as |
A. |
qp = qv |
B. |
qp < qv |
C. |
qp > qv |
D. |
qp = qv / 2 |
Answer: Option C
Explanation:
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24. |
For which system does the equilibrium constant Kc has unit of (concentration)-1 |
A. |
N2+3H2 <=>2NH3 |
B. |
H2+I2 <=>2HI |
C. |
2NO2 <=> N2H4 |
D. |
PCI5 <=> PCI3+CI2 |
Answer: Option C
Explanation:
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25. |
Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is |
A. |
2.0 x 10-10 mol dm-3 |
B. |
1.414 x 10-5 mol dm-3 |
C. |
1.0 x 10-10 mol dm-3 |
D. |
1.0 x 10-5 mol dm-3 |
Answer: Option B
Explanation:
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26. |
18g glucose is dissolved in 90g water the relative lowering in vapour pressure is equal to |
Answer: Option D
Explanation:
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27. |
Which of the following solution has the highest boiling point? |
A. |
5.85% NaCl Solution |
B. |
18.0 % glucose solution |
C. |
6.0 % urea solution |
D. |
All have same boiling point |
Answer: Option A
Explanation:
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28. |
Stronger is the oxidizing agent greater is the |
A. |
Oxidation potential |
B. |
Redox potential |
C. |
e.m.f of cell |
D. |
standard reduction potential |
Answer: Option D
Explanation:
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29. |
Which of the following can be used in laptops? |
A. |
Silver oxide battery |
B. |
Fuel cell |
C. |
Nickel cadmium cell |
D. |
Lead accumulator |
Answer: Option C
Explanation:
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30. |
Which is true about Zn-Cu galvanic cell? |
A. |
Reduction occurs at anode |
B. |
K+ ion transfer from salt bridge to left beaker of ZnSO4 |
C. |
Oxidation occurs at cathode |
D. |
Anode is negatively charged |
Answer: Option D
Explanation:
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