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Question 1 of 24
1. Question
When an ideal gas undergoes unrestrained expansion, no cooling occurs because the molecules
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Question 2 of 24
2. Question
The number of radial nodes in 3s and 2p orbitals respectively are
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Question 3 of 24
3. Question
The electronegativity of the following elements increases in the order
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Question 4 of 24
4. Question
Among KO2, AlO2–, BaO2 and NO2+, unpaired electrons are present in
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Question 5 of 24
5. Question
The species having bond order different from that in CO is
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Question 6 of 24
6. Question
The compound that is not a Lewis acid is
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Question 7 of 24
7. Question
For the reaction
- CO(g) + H2O(g) ⇔ CO2(g) + H2(g)
At a given temperature, the equilibrium of CO2(g) can be increased by
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Question 8 of 24
8. Question
For an endothermic reaction, the minimum value for the activation energy is
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Question 9 of 24
9. Question
Consider a reaction aG + bH → products. When the concentration of both the reactants G and H is doubled, the rate increased by eight times. However, when the concentration of G is doubles keeping the concentration of H fixed, the rate doubled. The overall order of the reaction is
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Question 10 of 24
10. Question
0.004 M Na2SO4 is isotonic with 0.01 M glucose. Degree of dissociation of Na2SO4 is
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Question 11 of 24
11. Question
Nitrogen dioxide cannot be obtained by heating
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Question 12 of 24
12. Question
B(OH)3 + NaOH ⇔ NaBO2 + Na[B(OH)4] + H2 How can this reaction is made to proceed in forward direction?
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Question 13 of 24
13. Question
The bonds present in N2O5 are
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Question 14 of 24
14. Question
Spin only magnetic moment (in BM) of the compound Hg[Co(SCN)4] is
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Question 15 of 24
15. Question
Native silver metal forms a soluble metal complex with a dilute aquenous solution of NaCN in the presence of
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Question 16 of 24
16. Question
When MnO2 is fused with KOH, a coloured compound is formed, the product and its colour are
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Question 17 of 24
17. Question
Among the following the most basic compound is
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Question 18 of 24
18. Question
2-hexene gives trans-2-hexene on treatment with
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Question 19 of 24
19. Question
The order of reactivity of the following alkyl halides for a SN2 reaction is
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Question 20 of 24
20. Question
The best method to prepare cyclohexane from cyclohexanol is by using
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Question 21 of 24
21. Question
The compound that will not give iodoform test on treatment with alkali and iodine is
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Question 22 of 24
22. Question
Benzamide on treatment with POCl3 gives
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Question 23 of 24
23. Question
The compound that is most reactive towards electrophilic substitution is
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Question 24 of 24
24. Question
Two form of D-glucopyranose, are called