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Mole - Volumetry - Redox - Colligative Properties - Chemistry MCQ


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60 Questions MCQ Test Mock Test Series for IIT JAM Chemistry - Mole - Volumetry - Redox - Colligative Properties

Mole - Volumetry - Redox - Colligative Properties for Chemistry 2024 is part of Mock Test Series for IIT JAM Chemistry preparation. The Mole - Volumetry - Redox - Colligative Properties questions and answers have been prepared according to the Chemistry exam syllabus.The Mole - Volumetry - Redox - Colligative Properties MCQs are made for Chemistry 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Mole - Volumetry - Redox - Colligative Properties below.
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Mole - Volumetry - Redox - Colligative Properties - Question 1

Consider a titration of Potassium dichromate solution with acidified Mohr’s salt solution using diphenylamine as indicator. The number of moles of Mohr’s salt required per mole of dichromate is:

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 1

Mole - Volumetry - Redox - Colligative Properties - Question 2

Number of moles of NH3 formed when 0.535g of NH4Cl is completely decomposed by NaOH, is:
NH4Cl + NaOH → NH3 + NaCl + H2O

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 2

Mole - Volumetry - Redox - Colligative Properties - Question 3

2KClO3 →2KCl + 3O2. 5g of KClO3 gave 0.03 mole of O2. The percentage purity of KClO3 is:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 3

Mole - Volumetry - Redox - Colligative Properties - Question 4

Calculate the equivalent Mass of FeS in the following reaction ?

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 4

Mole - Volumetry - Redox - Colligative Properties - Question 5

Which of the following acts as an oxidizing agent ?           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 5

Mole - Volumetry - Redox - Colligative Properties - Question 6

Vapor pressure of CHCl3 and CH2Cl2 at 250C are 200 mmHg and 41.5 mmHg resp. Vapor pressure of solution obtained by mixing 25.5g of CHCl3 and 40g of CH2Cl2 at same temp will be? (M.Wt. of CH2Cl2 = 85u and M.Wt. of CHCl3 = 119.5u)

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 6

Mole - Volumetry - Redox - Colligative Properties - Question 7

The relationship been Osmotic pressure at 273K when 10g Glucose (P1), 10g Urea (P2), 10g Sucrose (P3) are dissolved in 250 mL of water:

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 7

Mole - Volumetry - Redox - Colligative Properties - Question 8

Average osmotic pressure of human blood is 7.8 bar at 370C. What is the concentration of an aqueous NaCl solution that could be used in blood stream? [R = 0.0821 JK-1mol-1]           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 8

Mole - Volumetry - Redox - Colligative Properties - Question 9

The value of Kf for water is 1.86, calculated from glucose solution. The value of Kf for water, calculated from NaCl solution will be (M.Wt of NaCl = 58.5 g/mol):           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 9

Mole - Volumetry - Redox - Colligative Properties - Question 10

At temp 3270C and concentration C, Osmotic pressure of a solution is P. The same solution at concentration C/2 and temp 4270C shows Osmotic pressure 2atm. Value of P will be:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 10

Mole - Volumetry - Redox - Colligative Properties - Question 11

H2S2O8 and H2SO5 both have +6 oxidation state of sulfur. This is due to:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 11

Mole - Volumetry - Redox - Colligative Properties - Question 12

In an experiment, 20g of Vanadium oxide (molar mass 182 g/mol) was reduced by excess of Zinc dust in acidic solution to Vanadium (II) ions. The required number of moles of Iodine to re-oxidize Vanadium (II) to VO2+ is:            

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 12

Mole - Volumetry - Redox - Colligative Properties - Question 13

If CO2 is passed into waste water containing CrO4–2 (yellow), then, solution turns:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 13

Mole - Volumetry - Redox - Colligative Properties - Question 14

When 80 mL of 0.20 M HCl is mixed with 120 mL of 0.15 MKOH, the resulting solution is same as a solution of: 

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 14


Mole - Volumetry - Redox - Colligative Properties - Question 15

200 ml M/2 HNO3, 100 ml M/1 NaOH, 200 ml M/5 HCl are mixed together. The normality and the nature of mixture is:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 15


Mole - Volumetry - Redox - Colligative Properties - Question 16

A 5.25% solution of a substance is isotonic with a 1.5 % solution of Urea in the same solvent. If density of both the solutions are assumed to be equal to 1.0g cm–3, molar mass of substance will be:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 16


 

Mole - Volumetry - Redox - Colligative Properties - Question 17

Which of the following condition is not satisfied by an ideal solution ?           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 17


Mole - Volumetry - Redox - Colligative Properties - Question 18

At a suitable pressure near the freezing point of water, there exists:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 18

Mole - Volumetry - Redox - Colligative Properties - Question 19

0.1 M NaCl and 0.05 M BaCl2 solutions are separated by a semi-permeable membrane in a container. For this system, choose the correct alternative:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 19


Mole - Volumetry - Redox - Colligative Properties - Question 20

Normal boiling point of water is 373K (at 760mm). Vapor pressure of water at 298K is 23mm. If enthalpy of evaporation is 40656 J/mol, boiling point of water 23mm pressure will be: 
[R = 8.314821 JK-1mol-1]           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 20

Mole - Volumetry - Redox - Colligative Properties - Question 21

A 20 mL solution of Na2SO3 required 30 mL of 0.01 M Potassium dichromate solution for oxidation to Na2SO4. Hence, Molarity of Na2SO3 solution is:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 21

Mole - Volumetry - Redox - Colligative Properties - Question 22

In [Cr(O2)(NH3)4(H2O)]Cl2, oxidation number of Cr is +3, the, O2 will be in form:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 22

Mole - Volumetry - Redox - Colligative Properties - Question 23

Oxidation state of sulfur in KSCN is (assume there is triple bond between C and N):           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 23

Mole - Volumetry - Redox - Colligative Properties - Question 24

Starch paper is used to test the presence of:

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 24

Mole - Volumetry - Redox - Colligative Properties - Question 25

10 mL of a blood sample (containing Calcium oxalate) is dissolved in an acid. It required 20 mL of 0.001 M KMnO(which oxidizes oxalate to CO2). Hence, Ca2+ ion in 10 mL blood is:             

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 25


Mole - Volumetry - Redox - Colligative Properties - Question 26

0.01 M solution of KCl and BaCl2 are prepared in water. The freezing point of KCl is found to be –20C. What is freezing point of BaCl2 solution when it is completely ionized?           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 26

Mole - Volumetry - Redox - Colligative Properties - Question 27

The correct order of increasing boiling points of the following aqueous solutions:           
(I). 0.0001 M NaCl          
(II). 0.0001 M Urea            
(III). 0.001 MgCl2            
(IV). 0.01 M NaCl           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 27


Mole - Volumetry - Redox - Colligative Properties - Question 28

58.5 g of NaCl and 180 g of Glucose were separately dissolved in 1000 mL of water. Identify the correct statement regarding elevation of boiling point of resulting solutions:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 28

Mole - Volumetry - Redox - Colligative Properties - Question 29

The elevation in boiling point of a solution of 13.44g of CuCl2 in 1Kg of water using following information will be ?
(M.Wt of CuCl2 = 134.4, Kb = 0.52 K molal–1, assume CuCl2 as a strong electrolyte):           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 29


Mole - Volumetry - Redox - Colligative Properties - Question 30

Consider separate solutions of 0.5M C2H5OH (aq), 0.1 M Mg3(PO4)2 (aq), 0.25 M KBr (aq), 0.125 M Na3PO4 (aq). Which statement is true about these solutions, assuming all salts to be strong electrolytes ?           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 30

*Multiple options can be correct
Mole - Volumetry - Redox - Colligative Properties - Question 31

We would expect no reaction in which of the following case(s)?           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 31

*Multiple options can be correct
Mole - Volumetry - Redox - Colligative Properties - Question 32

In the reaction:

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 32


*Multiple options can be correct
Mole - Volumetry - Redox - Colligative Properties - Question 33

A drunken person was asked to blow a glass tube packed with acidified potassium dichromate. The change in color of the substance from orange to green confirmed the drinking of alcohol. It is due to:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 33


 

*Multiple options can be correct
Mole - Volumetry - Redox - Colligative Properties - Question 34

Which of the following statement(s) is/are correct concerning redox properties ?           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 34


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Mole - Volumetry - Redox - Colligative Properties - Question 35

During titration of HCl and NH4OH the indicator can be used is/are:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 35





*Multiple options can be correct
Mole - Volumetry - Redox - Colligative Properties - Question 36

The higher boiling point of a solution containing non-volatile solute relative to that of a pure solvent is due to:

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 36



*Multiple options can be correct
Mole - Volumetry - Redox - Colligative Properties - Question 37

The use of common salts, e.g. NaCl or CaCl2 anhydrous is made to clear snow on the roads. This causes:           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 37

*Multiple options can be correct
Mole - Volumetry - Redox - Colligative Properties - Question 38

Consider the following equation: ΔTb = Kbm which of the following is/are incorrect characteristic of Kb?           

Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 38


 

*Multiple options can be correct
Mole - Volumetry - Redox - Colligative Properties - Question 39

In the depression of freezing point experiment, it is found that:  

*Multiple options can be correct
Mole - Volumetry - Redox - Colligative Properties - Question 40

Which of the following statement is/are true ?           

*Answer can only contain numeric values
Mole - Volumetry - Redox - Colligative Properties - Question 41

What is the oxidation state of Cr in K3CrO8?


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 41

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Mole - Volumetry - Redox - Colligative Properties - Question 42

A boy drinks 500 mL of 9% glucose solution. Calculate the number of glucose molecules has consumed (NA = 6.02×1023): [Give answer in the multiple of 1023 rounded up to two decimal places]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 42

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Mole - Volumetry - Redox - Colligative Properties - Question 43

NH3 is oxidized to NO by air (O2) in basic medium. Number of equivalents of NH3 oxidized by 1 mole of O2 is?


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Mole - Volumetry - Redox - Colligative Properties - Question 44

In the reaction, VO32– + MnO4–1 → Mn2+ + VO43–, 1 mole of VO32– is oxidized by how many moles of MnO4? [rounded up to second decimal place]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 44

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Mole - Volumetry - Redox - Colligative Properties - Question 45

A sodium hydroxide solution has pH = 12. 100 mL of this solution has how many grams of NaOH ? [rounded up to two decimal places]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 45


*Answer can only contain numeric values
Mole - Volumetry - Redox - Colligative Properties - Question 46

Freezing point of Urea solution is –0.60C. How much Urea (in g) is required to dissolve in 3 Kg of water [Kf = 1.50C Kg/mol]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 46

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Mole - Volumetry - Redox - Colligative Properties - Question 47

If Na2SO4 is considered to be completely dissociated into ions in aqueous solution, the change in freezing point of water when 0.01 mole of it is dissolved in 1Kg of water, is? [Kf = 1.86 KKg/mol]
 [rounded up to three decimal places]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 47

 

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Mole - Volumetry - Redox - Colligative Properties - Question 48

The measured freezing point depression for 0.1m aqueous acetic acid solution is 0.190C. Ka at this concentration will be (Kf = 1.86 K molal–1). [Give answer in multiple of 10–5 rounded up to one decimal places]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 48

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Mole - Volumetry - Redox - Colligative Properties - Question 49

The mass of glucose that should be dissolved in 50 g of water in order to produce same lowering of vapor pressure as is produced by dissolving 1 g of Urea in same quantity of water?


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 49

 

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Mole - Volumetry - Redox - Colligative Properties - Question 50

The solution containing 4g of polyvinyl chloride polymer in 1L of dioxane was found to have an osmotic pressure of 6 × 10–4 atm at 300K. Molecular mass of polymer is?
[Give answer in multiple of 105, rounded up to one decimal places]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 50

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Mole - Volumetry - Redox - Colligative Properties - Question 51

A compound with molecular mass 180 is acylated with CH3COCl to get a compound with molecular mass 390. The number of amino groups present per molecule of the former compound is?


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 51

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Mole - Volumetry - Redox - Colligative Properties - Question 52

Calculate the radius (Å) of one molecule of water [Assuming it as spherical and having density 1g/mL]. (rounded up to one decimal place)


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*Answer can only contain numeric values
Mole - Volumetry - Redox - Colligative Properties - Question 53

Water gas (CO + H2) consisting of equal volumes of CO and H2 is produced when water vapor is passed over red hot coal. Volume (L) of water gas produced under standard conditions when 3 Kg of coal is treated with water vapor is ? [Vm = 22.4L under standard conditions]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 53


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Mole - Volumetry - Redox - Colligative Properties - Question 54

If the reaction of 30 g of CaCO3 produces 15 g of CaO, what is % yield? [rounded up to one decimal place]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 54


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Mole - Volumetry - Redox - Colligative Properties - Question 55

What is oxidation state of P in Ba(H2PO2)2?


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 55

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Mole - Volumetry - Redox - Colligative Properties - Question 56

A solution containing 30 g of non-volatile solute in exactly 90 g of water has a vapor pressure of 21.85 mm of Hg at 250 C. Further 18 g of water is added to the solution. The resulting solution has a vapor pressure of 22.15 mm of Hg at same temp. Calculate the molecular weight (g/mol) of solute: [rounded up to two decimal places]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 56





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Mole - Volumetry - Redox - Colligative Properties - Question 57

The molar mass of solute sodium hydroxide obtained from measurement of osmotic pressure of its aqueous solution at 270 C is 25 g/mol. Therefore, % ionization is ?


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 57

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Mole - Volumetry - Redox - Colligative Properties - Question 58

The empirical formula of a non-electrolyte is CH2O. A solution containing 6 g of compound exerts the same osmotic pressure as that of 0.05 M glucose solution at same temp. The molecular formula of compound has …….number of atoms in it:


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 58



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Mole - Volumetry - Redox - Colligative Properties - Question 59

On mixing Heptane and Octane form ideal solution. At 373K, the vapor pressure of two liquid components are 105 and 45 kPa resp. Vapor pressure (kPa) of solution obtained by mixing 25 g of heptane and 35 g of octane will be ? [rounded up to one decimal place]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 59



 

*Answer can only contain numeric values
Mole - Volumetry - Redox - Colligative Properties - Question 60

Vapor pressure lowering caused by addition of 100 g of Sucrose (M.Wt. = 342g/mol) to 1000 g of water if vapor pressure of pure water at 250C is 23.8 mmHg: [rounded up to three decimal places]


Detailed Solution for Mole - Volumetry - Redox - Colligative Properties - Question 60


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