Chemistry Class 11 QBank
-
1 – Some Basic Concepts in Chemistry1 Test
-
2 – Structure of Atoms1 Test
-
3 – Classification of Elements & Periodicity in Properties1 Test
-
4 – Chemical Bonding and Molecular Structure1 Test
-
5 – States of Matter Gaseous and Liquids1 Test
-
6 – Thermodynamics1 Test
-
7 – Chemical Equilibrium1 Topic|1 Test
-
8 – Ionic Equilibrium1 Test
-
9 – Redox Reactions1 Test
-
10 – Hydrogen1 Test
-
11 – s Block Elements (Alkali & Alkaline Earth Metals)
-
12 – Some p Block Elements
-
13 – Organic Chemistry Some Basic Principles and Techniques
-
14 – Hydrocarbons
-
15 – Environmental Chemistry
Test Summary
0 of 45 questions completed
Questions:
Information
You have already completed the test before. Hence you can not start it again.
Test is loading…
You must sign in or sign up to start the test.
You must first complete the following:
Results
Results
0 of 45 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 45
1. Question
Maximum no. of moles of electrons taken up by one mole of \(NO_{3}^{-}\), when it is reduced to
CorrectIncorrect -
Question 2 of 45
2. Question
The nitrate that will leave behind a metal on strong heating is
CorrectIncorrect -
Question 3 of 45
3. Question
In the given reaction \(H_{2}S+NO_{2} \rightarrow H_{2}O+NO+S, H_{2}S\) is
CorrectIncorrect -
Question 4 of 45
4. Question
The oxidation number of Mn changes from _____ when KMnO4 is reduced with oxalic acid in acidic solution
CorrectIncorrect -
Question 5 of 45
5. Question
- In which of the following acid, phosphorus has the oxidation state of +3?
CorrectIncorrect -
Question 6 of 45
6. Question
What is the oxidation number of sulphur in \(H_{2}S_{2}O_{7}\) and iron in \(K_{4}Fe(CN)_{6}\) respectively?
CorrectIncorrect -
Question 7 of 45
7. Question
The equivalent mass of \(IO_{4}^{-}\), when it is converted into \(I_{2}\) in acid medium is:
CorrectIncorrect -
Question 8 of 45
8. Question
Find the oxidation number of iron in the compound K4[Fe(CN)6].
CorrectIncorrect -
Question 9 of 45
9. Question
Find the oxidation no. of Fe in K3[Fe(CN)6],
CorrectIncorrect -
Question 10 of 45
10. Question
Identify ‘A’ in the following reaction
\(2Fe^{3+}_{(aq)}+Sn^{2+}_{(aq)}\rightarrow 2Fe^{2+}_{(aq)}+A\)
CorrectIncorrect -
Question 11 of 45
11. Question
Statement 1: Emf and potential difference are same for the cell.
Statement 2: Both Emf and potential difference gives the difference in electrode potential under any condition.
CorrectIncorrect -
Question 12 of 45
12. Question
Statement 1: Oxidation state of N in N3H is +3.
Statement 2: Nitrogen is more electronegative than that of hydrogen.
CorrectIncorrect -
Question 13 of 45
13. Question
The compound in which chlorine is assigned the oxidation number + 5 is
CorrectIncorrect -
Question 14 of 45
14. Question
Compound in which the transition metal possess zero oxidation state is
CorrectIncorrect -
Question 15 of 45
15. Question
Oxidation number of Co in \([CO(NH_{3})_{4}ClNO_{2}]\) is:
CorrectIncorrect -
Question 16 of 45
16. Question
What is the oxidation number of C in co2?
CorrectIncorrect -
Question 17 of 45
17. Question
Find the change in the oxidation state of chromium when K2Cr2O7 is converted to K2CrO4
CorrectIncorrect -
Question 18 of 45
18. Question
What is the oxidation state of I in \(IPO_{4}\)?
CorrectIncorrect -
Question 19 of 45
19. Question
Statement 1: Half-cell reaction is the one which goes half way to the completion.
Statement 2: Half cell reaction occurs at one electrode.
CorrectIncorrect -
Question 20 of 45
20. Question
Find the oxidation no. of S in H2S2O8.
CorrectIncorrect -
Question 21 of 45
21. Question
_______ is not a reducing agent.
CorrectIncorrect -
Question 22 of 45
22. Question
Find the oxidation number of N in \(NH_{4}Cl\)
CorrectIncorrect -
Question 23 of 45
23. Question
Which of the following halide is not oxidized by MnO2?
CorrectIncorrect -
Question 24 of 45
24. Question
When a piece of wire of copper (Cu) is dipped in \(AgNO_{3}\) solution, the colour of the solution turns blue because of
CorrectIncorrect -
Question 25 of 45
25. Question
Find the oxidation state shown by silicon, when it combines with strongly electropositive metals.
CorrectIncorrect -
Question 26 of 45
26. Question
What is the product of oxidation of \(I^{-}\) with MnO4 in alkaline medium?
CorrectIncorrect -
Question 27 of 45
27. Question
What does the equation \(H_{2}S+H_{2}O_{2} \rightarrow S+2H_{2}O\) represent?
CorrectIncorrect -
Question 28 of 45
28. Question
The process of conversion of sugar \(C_{12}H_{22}O_{11} \rightarrow CO_{2}\) is
CorrectIncorrect -
Question 29 of 45
29. Question
Statement 1 : In CH2O, oxidation no. of carbon is zero.
Statement 2 : CH2O formaldehyde, is a covalent compound.
CorrectIncorrect -
Question 30 of 45
30. Question
Reaction \(H_{2}S+H_{2}O_{2} \rightarrow 2H_{2}O+S\) represents
CorrectIncorrect -
Question 31 of 45
31. Question
The compound in which transition metal is in oxidation state zero is:
CorrectIncorrect -
Question 32 of 45
32. Question
Which of the following compound could not act both as oxidizing as well as reducing agent?
CorrectIncorrect -
Question 33 of 45
33. Question
Statement 1 : Oxidation numbers are artificial which are useful as a ‘book-keeping’ device of electrons in reactions.
Statement 2 : Oxidation numbers do not usually signify real charges on atoms, they are simply- conventions which indicate what the maximum charge could possibly be on an atom in the molecule.
CorrectIncorrect -
Question 34 of 45
34. Question
In which of the following, chlorine is in +1 oxidation state?
CorrectIncorrect -
Question 35 of 45
35. Question
Compound is in its low oxidation state. Then it is
CorrectIncorrect -
Question 36 of 45
36. Question
A metal ion M3+ after loss of 3 electrons in a reaction will have an oxidation no. equivalent to
CorrectIncorrect -
Question 37 of 45
37. Question
What is the oxidation state of I in \(H_{4}IO_{6}^{-}\) ?
CorrectIncorrect -
Question 38 of 45
38. Question
Which of the following can act as an acid as well as a base?
CorrectIncorrect -
Question 39 of 45
39. Question
Nitrogen shows different oxidation states in which of the following range?
CorrectIncorrect -
Question 40 of 45
40. Question
SnCl2 gives a precipitate with a solution of HgCl2. HgCl2 is in this process.
CorrectIncorrect -
Question 41 of 45
41. Question
In the given reaction, \(4P + 3KOH + 3H_{2}O \rightarrow 3KH_{2}PO_{2}+PH_{3}\)
CorrectIncorrect -
Question 42 of 45
42. Question
Find the oxidation state of ‘S’ in \(H_{2}SO_{3}\).
CorrectIncorrect -
Question 43 of 45
43. Question
The oxidation states of sulphur in the anions \(SO_{3}^{2-}, S_{2}O_{4}^{2-} and S_{2}O_{6}^{2-}\) follow which of the following order?
CorrectIncorrect -
Question 44 of 45
44. Question
Statement 1: Bromide ion is serving as a reducing agent in the given reaction.
\(2MnO_{4}^{-}(aq)+Br^{-}(aq)+H_{2}O(l) \rightarrow 2MnO_{2}(aq)+BrO_{3}^{-}(aq)+2OH^{-}(aq)\)
Statement 2: Oxidation no. of Br increases from -1 to 5.
CorrectIncorrect -
Question 45 of 45
45. Question
\(Zn^{2+}(aq)+2e \rightarrow Zn(s)\). It indicates which of the following process?
CorrectIncorrect