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Solid State- Electrochemistry- Conductance


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60 Questions MCQ Test Mock Test Series for IIT JAM Chemistry | Solid State- Electrochemistry- Conductance

Solid State- Electrochemistry- Conductance for Chemistry 2023 is part of Mock Test Series for IIT JAM Chemistry preparation. The Solid State- Electrochemistry- Conductance questions and answers have been prepared according to the Chemistry exam syllabus.The Solid State- Electrochemistry- Conductance MCQs are made for Chemistry 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Solid State- Electrochemistry- Conductance below.
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Solid State- Electrochemistry- Conductance - Question 1

Br ion forms a closed packed structure. If the radius of it is 195 pm. Which of the following is true?

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Solid State- Electrochemistry- Conductance - Question 2

​In fcc crystal lattice, edge length is 400 pm. Find the diameter of greatest sphere which can be fitted into the interstitial vo id without distortion of lattice:

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Solid State- Electrochemistry- Conductance - Question 3

For a Ag-Zn button cell, net reaction is, Zn(s) + Ag2O(s) → ZnO(s) + 2Ag(s) ΔGf(Ag2O) = -11.21 kJ mol-1, ΔGf(ZnO) = -318.3 kJ mol-1, 1 Faraday = 96500C Hence, E°cell of the button cell is:

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Solid State- Electrochemistry- Conductance - Question 4

Sn2+ + 2e → Sn,    E0 = – 0.14 V

Sn4+ + 2e- → Sn2+, E0 = + 0.13 V

Which of the following is true?

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Solid State- Electrochemistry- Conductance - Question 5

Each Rubidium halide crystallizing in the NaCl type lattice has a unit cell length 30 pm greater than for corresponding potassium salt (RK+ = 133 pm) of the same halogen. What is ionic radius of Rb+?

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Solid State- Electrochemistry- Conductance - Question 6

At what glancing angle would the first order diffraction occur, when copper radiation (wavelength = 154 pm) interacts with lattice planes that are 154 pm apart?

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Solid State- Electrochemistry- Conductance - Question 7

% of free space in ccp and bcc structure are, respectively:

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Solid State- Electrochemistry- Conductance - Question 8

In fcc lattice, atom A occupies the corner position and B occupies the face center positions. If one atom of B is missing from one of the Face centered positions, the formula of compound is?

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Solid State- Electrochemistry- Conductance - Question 9

The distance between two successive (110) planes in a simple cubic lattice with lattice parameter ‘a’ is:

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Solid State- Electrochemistry- Conductance - Question 10

CsBr crystal has a bcc structure. It has an edge length of 4.3 Å. The shortest interionic distance between cation and anion is

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Solid State- Electrochemistry- Conductance - Question 11

​Cu metal crystallizes with fcc structure. The density of crystal is 2698 kg/m3 and mass is 26.98 Kg. X-ray of wavelength 1.537 nm are diffracted by the crystal and the Bragg’s angle is 19.20. Identify the crystal plane which caused this diffraction. (NA = 6.023 × 1023)

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Solid State- Electrochemistry- Conductance - Question 12

If unit cell of a material has ccp array of Oxygen atoms with ‘m’ fraction of Octahedral holes occupied by Aluminium ions and ‘n’ fraction of Tetrahedral holes occupied by Magnesium ions. Then ‘m’ and ‘n’ are respectively:

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Solid State- Electrochemistry- Conductance - Question 13

Silver has a density of 10.5 g/cm3. The number of Silver atoms on a surface of area 10–12 m2 can be expressed in scientific notation as y × 10x. The value of ‘x’ is? (Given. At.Wt of silver = 108g/mol) 

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Solid State- Electrochemistry- Conductance - Question 14

Match axial parameters given in List-I with crystal systems given in List-II and select the correct answer using the codes given below the lists:

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Solid State- Electrochemistry- Conductance - Question 15

Consider the following equations for a cell reaction:
A+B → C+D               E0 = x;     Keq = k1

2A+2B → 2C +2D     E0 = y;     Keq = k2

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Solid State- Electrochemistry- Conductance - Question 16

Match the following:

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Solid State- Electrochemistry- Conductance - Question 17

For the reactions,

Then, for the reaction,

 

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Solid State- Electrochemistry- Conductance - Question 18

A compound MpXq has cubic close packing (ccp) arrangement of X. Its unit cell structure is shown below. The empirical formula of the compound is:

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Solid State- Electrochemistry- Conductance - Question 19

CH3COOH is titrated with NaOH solution. Which is true statement:

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Solid State- Electrochemistry- Conductance - Question 20

The conductivity of the saturated solution of some bivalent salt XY is 3.06 × 10–6 ohm–1 cm–1 and its equivalent conductivity is 1.53 ohm–1 cm2 equiv–1. The value of Ksp of XY is:

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Solid State- Electrochemistry- Conductance - Question 21

In the following electrochemical cell: Zn|Zn+2||H+|H2(Pt) and E0cell = Ecell

This is possible when:

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Solid State- Electrochemistry- Conductance - Question 22

The X at 1 atm is bubbled through a solution containing a mixture of 1 MY and 1 MZ at 25°C. If the order of reduction potential is Z < Y > X, then:

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Solid State- Electrochemistry- Conductance - Question 23

The ionization constant of a weak electrolyte is 25 × 10–6 while the equivalent conductance of its 0.01 M solution is 19.6 s cm2 eq–1. The equivalent conductance of the electrolyte at infinite dilution (in 5 cm2 eq–1) will be:

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Solid State- Electrochemistry- Conductance - Question 24

The standard reduction potential at 298 K for the following half cells are given:

Which is the strongest reducing agent:

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Solid State- Electrochemistry- Conductance - Question 25

Which of the following solutions of KCl has the lowest value of specific conductance?

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Solid State- Electrochemistry- Conductance - Question 26

Consider the given data:

 

E° for the reaction, 

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Solid State- Electrochemistry- Conductance - Question 27

For the electrochemical cell,
= V and M° X / X- = 0.33 V.
=  From this data we can deduce that:

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Solid State- Electrochemistry- Conductance - Question 28

The specific conductivity of solution depends upon:

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Solid State- Electrochemistry- Conductance - Question 29

In a solution, cations H+, Li+, Na+ and K+ are present.  The one with highest ionic mobility and another with lowest ionic mobility respectively are:

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Solid State- Electrochemistry- Conductance - Question 30

An aqueous solution containing 0.01 M FeCl3 and 0.06 M HClO4 has the same ionic strength as a solution of:

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*Multiple options can be correct
Solid State- Electrochemistry- Conductance - Question 31

Which of the following statements are correct:

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Solid State- Electrochemistry- Conductance - Question 32

For the cell prepared from electrode A and B; Electrode A: Cr2O72–| Cr3+, E°red = + 1.33 V and electrode B; Fe3+|Fe2+, E°red = 0.77 V.
Which of the following statements are correct:

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Solid State- Electrochemistry- Conductance - Question 33

Select the correct statements about solid crystals:

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Solid State- Electrochemistry- Conductance - Question 34

p-type semiconductors are produced when:

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Solid State- Electrochemistry- Conductance - Question 35

If the radius of Na+ ion is 95 pm and that of Cl ion is 181 pm. Then:

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Solid State- Electrochemistry- Conductance - Question 36

Which is the incorrect statement:

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Solid State- Electrochemistry- Conductance - Question 37

In which of the following structures, the coordination number of both the ions are same:

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Solid State- Electrochemistry- Conductance - Question 38

Which of the following are concentration cells?

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Solid State- Electrochemistry- Conductance - Question 39

Which is/are correct match about coductometric titration:

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Solid State- Electrochemistry- Conductance - Question 40

Which of the following statements is correct for ionic mobility?

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Solid State- Electrochemistry- Conductance - Question 41

A 0.05 N solution of a salt occupying a volume between two platinum electrodes separated by a distance of 1.72 cm and having an area of 4.5 cm2 has a resistance of 250 ohm. Calculate the equivalent conductance (in s–1 cm2 eq–1) of the solution [rounded up to two decimal places]:


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Solid State- Electrochemistry- Conductance - Question 42

An electric current of 100 ampere is passed through a molten liquid of sodium chloride for 5 hours. Calculate the volume (in L) of chlorine gas liberated at the electrode at NTP. (Consider volume at NTP = 22.4L, 1F = 96500C & calculate the answer up to two decimal places):


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Solid State- Electrochemistry- Conductance - Question 43

For the following reaction, 

Given:  and  

Calculate –log10 Ksp(AgCl) at 298 K [rounded up to two decimal places].


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Solid State- Electrochemistry- Conductance - Question 44

In silicates, the Oxygen atom form a tetrahedral void and the limiting ratio for tetrahedral void is 0.22. The radius of oxide is 1.4Å. Find out the radius of cation [rounded up to three decimal places]:


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Solid State- Electrochemistry- Conductance - Question 45

A compound form hexagonal close packed. What is the total number of voids (up to two decimal places & in the multiple of 1023) in 0.5 mol of it? [rounded up to three decimal places]


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Solid State- Electrochemistry- Conductance - Question 46

Li forms bcc structure. The length of side of its unit cell is 351 pm. Atomic radius (in pm & up to first decimal places) of Lithium will be?


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Solid State- Electrochemistry- Conductance - Question 47

X-ray of wavelength 0.154 nm striking an Aluminium crystal, get reflected at an angle of 25.50 showing first order diffraction. Calculate the spacing between plane of aluminium atoms (in pm, rounded up to first decimal places):


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Solid State- Electrochemistry- Conductance - Question 48

Given the E° values for the following react ion sequence, 

The computed value of E° for  (rounded up to two decimal place)


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Solid State- Electrochemistry- Conductance - Question 49

If 0.01 M solution of an electrolyte has a resistance of 40 ohm in a cell having a cell constant of 0.4 cm–1, then, its molar conductance in ohm–1 cm2 mol–1 will be:


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Solid State- Electrochemistry- Conductance - Question 50

Calculate the pH (rounded up to two decimal places) of the following half-cell solution at 298K.
Pt(H2, 1atm) | H+(HCl); E = 0.25 volt


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Solid State- Electrochemistry- Conductance - Question 51

Radius of Be+2 is 59 pm and that of S–2 is 170 pm. Find out the coordination number:


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Solid State- Electrochemistry- Conductance - Question 52

In a diffraction experiment with X-rays of wavelength 1.54 Å, a diffraction line corresponding to 2q = 20.8° is observed. The inter-planar separation in Å is _________: (rounded up to two decimal place)


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Solid State- Electrochemistry- Conductance - Question 53

To find the standard potential of M3+/M electrode, the following cell is constituted. Pt|M|M3+ (0.0018 mol–1L) || Ag+ (0.01 mol–1L)|Ag The emf of this cell is found to be 0.42 volt. Calculate the standard potential of the anode half (up to two decimal places). Given E0Ag+|Ag = 0.80 Volt.


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Solid State- Electrochemistry- Conductance - Question 54

A metal crystallizes in two cubic phases, fcc and bcc whose unit cell lengths are 3.5Å and 3.0Å resp. Calculate the ratio (up to two decimal places) of densities of fcc to bcc.


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Solid State- Electrochemistry- Conductance - Question 55

The specific conductivity of 0.02 M KCl solution at 25°C is 2.768 × 10–3 ohm–1 cm–1. The resistance of this solution at 25°C when measured with a particular cell was 250.2 ohms. The resistance of 0.01 M CuSO4 solution at 25°C measured with the same cell was 8331 ohms. Calculate the molar conductivity (in s–1 cm2 mol–1& rounded up to three decimal places) of the copper sulfate solution:


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Solid State- Electrochemistry- Conductance - Question 56

What is the value of pKb (CH3COO) if λ°m 390 & λ= 7.8  for 0.04 M CH3COOH at 25°C? 
(rounded up to two decimal place):


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Solid State- Electrochemistry- Conductance - Question 57

Calculate the percentage of unoccupied volume in case of metal crystal of primitive cubic: [rounded up to two decimal places]


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Solid State- Electrochemistry- Conductance - Question 58

The edge length of unit cell of a metal having molecular weight 75g/mol is 5Å which crystallizes in cubic lattice. If the density is 2g/cm3, then, find the radius (in pm, rounded up to first decimal places) of metal atom:


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Solid State- Electrochemistry- Conductance - Question 59

Consider the cell Cd|CdCl2.2H2O|AgCl(s)| Hg

The emf of the cell at 15°C is 0.67531 V and temperature coefficient of emf is 0.00065 V deg–1. Calculate the value of heat flow (in Joules/mol) if the process is carried reversibly: [rounded up to first decimal places]


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Solid State- Electrochemistry- Conductance - Question 60

The angle at which the first order Bragg reflection is observed from (110) plane in a simple cubic unit cell of side 3.238 Å when chromium Kα radiation of wavelength 2.29 Å is used, is (rounded up to first decimal place):


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