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 44
1. Question
Which of the following is a nitric acid anhydride
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Question 2 of 44
2. Question
An aqueous solution of glucose is 20% in strength. The volume in which 1 g mole of it is dissolved will be
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Question 3 of 44
3. Question
In above reaction A and B are respectively
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Question 4 of 44
4. Question
Zinc sulphate contains 22.65% of zinc and 43.9% of water of crystallization. If the law of constant proportions is true, then what will be the weight of zinc required to produce 20 g of the crystals?
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Question 5 of 44
5. Question
The equivalent weight of MnS04 is half its molecular weight, when it is converted to
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Question 6 of 44
6. Question
The atomic weights of two elements A and Bare 40 and 80 respectively. How many atoms are present in 2x g of B if x g of A contains y atoms?
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Question 7 of 44
7. Question
Which will not undergo SN1 reaction ?
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Question 8 of 44
8. Question
The amount of water\(_{(g)}\)produced by the combustion of 16 g of methane is
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Question 9 of 44
9. Question
A compound formed by elements A and B crystallises in cubic structure in which A atoms are at the comers of the cube while B atoms are at the centre of cube. Formula of the compound is
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Question 10 of 44
10. Question
Which of the reagent among four alternative choice will lead the given conversion ?
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Question 11 of 44
11. Question
Given P = 0.0030 m. Q = 2.40 m. R = 3000 m. Find the significant figures in P. Q and R respectively.
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Question 12 of 44
12. Question
One sample of atmospheric air is found to have 0.03% of carton dioxide while another sample have 0.04%. This demonstrates
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Question 13 of 44
13. Question
Find the number of atoms in one mole of sucrose \((c_{12}h_{22}o_{11})\).
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Question 14 of 44
14. Question
On the extreme left are groups I and II elements. These include alkali and alkaline earth metals or s-block elements. These elements have strong electropositive character. Now which of the following has largest size in aqueous ion?
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Question 15 of 44
15. Question
Find the total numher of gm-molecules of SO\(_{2}CI_{2}\) in 13.5 g of sulphuryl chloride.
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Question 16 of 44
16. Question
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Question 17 of 44
17. Question
The process of breaking or cleavage of a covalent bond is known as
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Question 18 of 44
18. Question
Complete combustion of 0.858 g of compound ‘X’ gives 1.28 g of h\(_{2}\)o and 2.63 g of CO\(_{2}\)’X’ can have lowest molecular mass of:
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Question 19 of 44
19. Question
The equivalent weight of Na2s2o3 (mol. wt. = M) in the reaction 2 \(Na_{2}S_{2}O_{3}+l_{2}\rightarrow\) Na2s4o6+ 2 Nal is.
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Question 20 of 44
20. Question
An Element X with electronic configuration 1s2 2s2. 2p6, 3s2, would be expected to form the chloride with the formula
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Question 21 of 44
21. Question
Ziegler Natta catalyst is used in the synthesis of polymers of a olefins. It is
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Question 22 of 44
22. Question
Assuming fully decomposed, what will be the volume of CO2 released at STP on heating 9.85 g of BaCO3? (Given: Atomic mass of Ba = 137)
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Question 23 of 44
23. Question
The properly of an element which is always a whole number is:
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Question 24 of 44
24. Question
What will be the number of molecules at NTP in 1 ml of an ideal gas?
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Question 25 of 44
25. Question
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Question 26 of 44
26. Question
In 2.2 gm of ____ , 1.24 gm P is present.
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Question 27 of 44
27. Question
\(Ca^{2+}\) ion is isoelectronic with
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Question 28 of 44
28. Question
Which of the following reagent is used to convert ?
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Question 29 of 44
29. Question
Among the following metal halides, which have highest melting point
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Question 30 of 44
30. Question
Find the number of molecules in 100 ml of each of \(O_3\) , \(NH_3\) and \(co_2\) at STP
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Question 31 of 44
31. Question
Phosphate of a metal M has a formula M3(PO4)2. The formula for its sulphate will be
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Question 32 of 44
32. Question
Statement 1: If the molecular mass of B is ‘M’ then Molecular mass of A is \(\)\frac{M}{4}[/late
Statement 2: Vapor density of A is four times that of B
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Question 33 of 44
33. Question
The properly of an element which is not variable is:
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Question 34 of 44
34. Question
Which structure is linear ?
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Question 35 of 44
35. Question
Cycloketone reacting with NH2OH gives B which further reacting with H2SO4 gives C. Find the product C and choose the correct option
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Question 36 of 44
36. Question
The oxide of a metal has 32% oxygen. What would be its equivalent weight?
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Question 37 of 44
37. Question
A solution of 10 ml \(\frac{M}{10}\)FeS04 was titrated with KMnO4 solution in acidic medium Find lhe amount of KMnO4 used
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Question 38 of 44
38. Question
Which among the following pair of species is isostructural?
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Question 39 of 44
39. Question
Which of the following is not a lewis acid
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Question 40 of 44
40. Question
An ester A with molecular formula \(C_{9}H_{10}O_{2}\)was treated with excess of \(CH_{3}MgBr\) and the complex so formed was treated with H2SO4 to give an olefin B ozonolysis of B gave a ketone will molecular formula \(C_{8}H_{9}C\) which shows positive iodoform test, the structure A is
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Question 41 of 44
41. Question
A black compound of manganese reacts with a halogen acid to give greenish yellow gas. When excess of this gas reacts with NH3 an unstable trihalide is formed. In this process the oxidation state of nitrogen changes from
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Question 42 of 44
42. Question
For the reaction \(2A+B\rightarrow3C+D\) which of the following does not express the reaction rate?
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Question 43 of 44
43. Question
Crystals of ______ and ______ are isomorphous.
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Question 44 of 44
44. Question
Hydrogen combines with oxygen in which 16 g of oxygen combine with 2 g of hydrogen to form \(H_2O\) Hydrogen also combines with carbon to form \(CH_4\)in which 2 g of hydrogen combine with 6 g of carbon. If carbon and oxygen combine together then they will be in the ratio of:
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