Chemistry Class 11 QBank
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1 – Some Basic Concepts in Chemistry1 Test
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2 – Structure of Atoms1 Test
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3 – Classification of Elements & Periodicity in Properties1 Test
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4 – Chemical Bonding and Molecular Structure1 Test
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5 – States of Matter Gaseous and Liquids1 Test
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6 – Thermodynamics1 Test
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7 – Chemical Equilibrium1 Topic|1 Test
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8 – Ionic Equilibrium1 Test
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9 – Redox Reactions1 Test
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10 – Hydrogen1 Test
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11 – s Block Elements (Alkali & Alkaline Earth Metals)
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12 – Some p Block Elements
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13 – Organic Chemistry Some Basic Principles and Techniques
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14 – Hydrocarbons
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15 – Environmental Chemistry
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Question 1 of 45
1. Question
Arrange the given compounds in the order of increasing dipole moment.
(I)Toluene (II) m- dichlorobenzene
(III) o-dichlorobenzene (IV) p- dichlorobenzene
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Question 2 of 45
2. Question
Find the number of bonding electron pairs in white phosphorous.
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Question 3 of 45
3. Question
The molecule that has the highest bond order is:
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Question 4 of 45
4. Question
A bond is formed_______ with maximum covalent character between non-metallic elements.
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Question 5 of 45
5. Question
What is the shape of IF7 molecule?
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Question 6 of 45
6. Question
Find the number of nodal planes that ‘ d’ orbital possess.
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Question 7 of 45
7. Question
What is the bond angle in sp\(^{2} \)hybridization?
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Question 8 of 45
8. Question
Which is the mode of hybridization of carbon in CO2?
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Question 9 of 45
9. Question
Find the electron pair which forms a bond between two similar non-metallic atoms.
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Question 10 of 45
10. Question
Molecule that has trigonal planar geometry is:
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Question 11 of 45
11. Question
What is the shape of a molecule of NH3 in which central atoms contains lone pair of electron?
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Question 12 of 45
12. Question
The halides that has maximum melting point is:
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Question 13 of 45
13. Question
If the electron pair forming a bond between two atoms A and B is not in the center then which is the bond?
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Question 14 of 45
14. Question
What is H2O?
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Question 15 of 45
15. Question
The paramagnetism of O2 molecule is because of the presence of_______ according to molecular orbital theory.
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Question 16 of 45
16. Question
Formula that does not correctly represent the bonding capacity of the atom involved is:
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Question 17 of 45
17. Question
The ionization of hydrogen atom would give rise to ______.
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Question 18 of 45
18. Question
Compounds that is ionic is________.
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Question 19 of 45
19. Question
Statement 1 :\( \sigma \) is strong whereas \( {\pi} \) is a weak bond
Statement 2 : Atoms rotate freely about \( \pi \) bond
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Question 20 of 45
20. Question
Liquids that is not deflected by a non-uniform electrostatic field is:
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Question 21 of 45
21. Question
Which is the correct statement about electrovalent compound’s?
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Question 22 of 45
22. Question
Which of the following molecules which contains unpaired electrons?
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Question 23 of 45
23. Question
Electrovalent compounds generally have_______ as compared to covalent compounds.
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Question 24 of 45
24. Question
_____shows least dipole character.
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Question 25 of 45
25. Question
The bond energies of H – H and cl – cl are 430 kJ mol-1 and 242 kJ mol-1 respectively, \(\Delta H_{t}\) for HCI is given as 91 kJ mol–1. What will be the bond energy of HCI?
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Question 26 of 45
26. Question
Which of the following does NOT contain isoelectronic species?
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Question 27 of 45
27. Question
______is non-linear molecule.
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Question 28 of 45
28. Question
What is the bond order in \({C}_{2}\) molecule according to the molecular orbital theory?
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Question 29 of 45
29. Question
What will be the structure of the compound formed by sp3d hybridization?
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Question 30 of 45
30. Question
Find the percentage of s-character of the hybrid orbitals in methane, ethene and ethyne respectively.
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Question 31 of 45
31. Question
What is the bond order of \(He^{+}_{2}\) molecule ion?
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Question 32 of 45
32. Question
The atoms are bonded by _____ in\( N_{2}\) molecule
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Question 33 of 45
33. Question
What is the structure of \(XeF_{2} \) molecule?
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Question 34 of 45
34. Question
Which one has lowest probable inter atomic forces in the following metals?
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Question 35 of 45
35. Question
______shows \(dsp^{2}\) hybridization.
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Question 36 of 45
36. Question
______ does not show hydrogen
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Question 37 of 45
37. Question
Find the force that holds atoms together in an electrovalent bond.
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Question 38 of 45
38. Question
105° is the bond angle between two hybrid orbitals. Find the % s-orbital character of hybrid orbital.
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Question 39 of 45
39. Question
Find the increasing order for polarisability of halide ions.
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Question 40 of 45
40. Question
Find the correct order of bond length.
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Question 41 of 45
41. Question
Find the maximum possible number of hydrogen bonds in which an \(H_{2} O\) molecule can participate
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Question 42 of 45
42. Question
Find the incorrect statement from the following statements.
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Question 43 of 45
43. Question
Resonating structures possess different_______
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Question 44 of 45
44. Question
Non-polar from the following compounds is:
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Question 45 of 45
45. Question
_____molecule does not exist on the basis of molecular orbital theory.
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