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IIT JAM Chemistry Mock Test 4 - Chemistry MCQ


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60 Questions MCQ Test Mock Test Series for IIT JAM Chemistry - IIT JAM Chemistry Mock Test 4

IIT JAM Chemistry Mock Test 4 for Chemistry 2024 is part of Mock Test Series for IIT JAM Chemistry preparation. The IIT JAM Chemistry Mock Test 4 questions and answers have been prepared according to the Chemistry exam syllabus.The IIT JAM Chemistry Mock Test 4 MCQs are made for Chemistry 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for IIT JAM Chemistry Mock Test 4 below.
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IIT JAM Chemistry Mock Test 4 - Question 1

Favorable sites for protonation in following compound is/are:

 

IIT JAM Chemistry Mock Test 4 - Question 2

The coordination number of Th in K4[Th (Ox)4(OH)2] is:    

IIT JAM Chemistry Mock Test 4 - Question 3

Most animal cells have           

IIT JAM Chemistry Mock Test 4 - Question 4

The standard electrode potential E° and its temperature coefficient (dE/dT)P for a cell are 2V and –5 × 10–4 VK–1 at 300 K respectively. The cell emf would be?  
 Zn(s) + Cu2+ (aq) → Zn+2 (aq.) + Cu(s)    

Detailed Solution for IIT JAM Chemistry Mock Test 4 - Question 4

IIT JAM Chemistry Mock Test 4 - Question 5

The suitable reagent for the following conversion is:​

IIT JAM Chemistry Mock Test 4 - Question 6

What would be the correct order of PI values for given amino acids?  
(1) Lysine  (2) Aspartic acid  (3) Valine    

IIT JAM Chemistry Mock Test 4 - Question 7

Correct order of reactivity of following compounds in Dies-Alder reaction would be?​

IIT JAM Chemistry Mock Test 4 - Question 8

Benzoic acid (C6H5COOH) dimerizes in benzene. 'W' g of acids dissolved in 30 g of benzene shows a depression in freezing point equal to 2K. If the percentage association of the acid to form dimer is 80, then,numerical value of ‘W’ is [Kf = 5 Kg mol–1, Molar Mass = 122 mol–1]:    

IIT JAM Chemistry Mock Test 4 - Question 9

A matrix is called orthogonal if it satisfies:    

IIT JAM Chemistry Mock Test 4 - Question 10

Correct formula of chromite is (It is an oxide mineral belonging to the spinel group):    

IIT JAM Chemistry Mock Test 4 - Question 11

The correct form of moment of inertia of CO2 molecules is:

IIT JAM Chemistry Mock Test 4 - Question 12

The reaction, MgO(s) + C(s) → Mg(s) + CO(g) for which  ΔrHº=491.1KJ/mol-1and ΔrSº=198.0 KJ/mol-1is not feasible at 298 K. Temperature above which reaction will be feasible is?

IIT JAM Chemistry Mock Test 4 - Question 13

Calculate the projection around z-axis forl = 2 and ml = 2: 

IIT JAM Chemistry Mock Test 4 - Question 14

The bond angle between two hybrid orbitals is 105°. The percentage s-character of hybrid orbital is between:    

IIT JAM Chemistry Mock Test 4 - Question 15

When S in the form of S8 is heated at 900 K, the initial pressure of 1 atm falls by 29% at equilibrium. This is because of conversion of S8 to S2. Find the value of equilibrium constant of this reaction.  

IIT JAM Chemistry Mock Test 4 - Question 16

0.2 M NaOH is titrated with 0.2 M, 20 ml, HA (Monobasic acid) till the equivalence point reached degree of dissociation of HA is supposed to be legible. Calculate the pH of the resulting solution at the end point. [Given Ka = 1.8 × 10–5]    

IIT JAM Chemistry Mock Test 4 - Question 17

The compound formed is/are in the positive test for nitrogen with the Lassaigne extract of an organic compound:    

IIT JAM Chemistry Mock Test 4 - Question 18

Determine enthalpy change (in kJ) for C3H8(g) +H(g) →C2H6(g)+CH4(g) at 25°C using heat of combustion value under standard conditions. Given: ΔHformC3H8(g) = –103.8 kJ/mole.

IIT JAM Chemistry Mock Test 4 - Question 19

Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se, and Ar?    

IIT JAM Chemistry Mock Test 4 - Question 20

The reaction between [PdCl4]2– and C2H4 produces a new compound. Compared to free C2H4, the C—C bond order of the product is:    

IIT JAM Chemistry Mock Test 4 - Question 21

Consider the following chemical reaction and choose the correct product:

IIT JAM Chemistry Mock Test 4 - Question 22

Consider the following chemical reaction and choose the correct alternative:
; Final product is:

IIT JAM Chemistry Mock Test 4 - Question 23

Consider the following chemical reaction and choose major product:

IIT JAM Chemistry Mock Test 4 - Question 24

A ketone on treatment with bromine in methanol gives the corresponding Monobromo compound [X] having molecular formula C5H9BrO. The compound [X] when treated with Sodium methoxide in methanol produces [Y] as the major product, the 1H NMR spectrum data for compound [X] are: 1H NMR:δ 1.17 (d, 6H), 3.02 (m, 1H), 4.10 (s, 2H). The compound X and Y, respectively, are:

IIT JAM Chemistry Mock Test 4 - Question 25

The correct order of the rate constant for the following series of reaction  (Where Z = CF3/CH3/OCH3) is:

IIT JAM Chemistry Mock Test 4 - Question 26

Product (B) of the given reaction is:

IIT JAM Chemistry Mock Test 4 - Question 27

Which one of the following statements is true?
1.   2.   
3.   4. 

IIT JAM Chemistry Mock Test 4 - Question 28

    Van Arkel method of purification of metals involves converting the metal to:    

IIT JAM Chemistry Mock Test 4 - Question 29

The adsorption of a gas is described by Langmuir Isotherm with equation constant, K = 0.5 K Pa–1 at 25°C. The pressure (in PK) when translational reaction coverage is 0.25 is:    

IIT JAM Chemistry Mock Test 4 - Question 30

A solution containing 4.5 mM of Cr2O72– and 15 mM of Cr3+ shows a pH of 2.0. Calculate the potential of half reaction. (E° of  Cr2Cr72-→Cr3+ is 1.33 V)

*Multiple options can be correct
IIT JAM Chemistry Mock Test 4 - Question 31

Consider the following reaction and select the correct statement

*Multiple options can be correct
IIT JAM Chemistry Mock Test 4 - Question 32

Consider the following chemical reactions and choose the correct one(s):

IIT JAM Chemistry Mock Test 4 - Question 33

Consider the equation Z=PV/RT Which of the following statements is correct?​

*Multiple options can be correct
IIT JAM Chemistry Mock Test 4 - Question 34

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

*Multiple options can be correct
IIT JAM Chemistry Mock Test 4 - Question 35

Which of the following graph correctly represent(s) equilibrium?

*Multiple options can be correct
IIT JAM Chemistry Mock Test 4 - Question 36

Molecule(s) or species do not exist is/are:    

*Multiple options can be correct
IIT JAM Chemistry Mock Test 4 - Question 37

In which of the following compound(s), the color is due to the charge transfer spectra?    

*Multiple options can be correct
IIT JAM Chemistry Mock Test 4 - Question 38

Consider the following statements:​

Detailed Solution for IIT JAM Chemistry Mock Test 4 - Question 38

a) If there is only one component, there are no degrees of freedom (F = 0) when there are three phases.

d) The phase diagram of sulfur contains a new feature: there are two solid phases, rhombic and monoclinic. The names refer to the crystal structures in which the S8 molecules arrange themselves. This gives rise to three triple points, indicated by the numbers on the diagram.   

 

*Multiple options can be correct
IIT JAM Chemistry Mock Test 4 - Question 39

Choose the 18e complex from the following:    

*Multiple options can be correct
IIT JAM Chemistry Mock Test 4 - Question 40

Select the correct order(s):    

*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 41

Number of 1H NMR signal in following compound:


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 42

the number of M-M bonds in Cp(CO)Fe(u-CO)2Fe(CO)Cp?


IIT JAM Chemistry Mock Test 4 - Question 43

Which of the following is true for a steady flow system?

Detailed Solution for IIT JAM Chemistry Mock Test 4 - Question 43

Ans: a

Explanation: For a steady flow process, mass entering the system is equal to the mass leaving the system.

*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 44

Number of M—M bond in Os4(CO)14:


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 45

20 g chunk of dry ice is placed in an empty 0.75 litre wine bottle tightly closed. What would be the final pressure (in atm) in the bottle after all CO2 has been evaporated and temperature reaches to 25°C?(rounded up to first decimal place)
 


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 46

The pH at which Mg(OH)2 begins to precipitate from a solution containing 0.10 M Mg+2 ions  [KSP of Mg(OH)2 = 1 × 10–11] is:
 


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 47

Number of compound(s) which give negative Tollen's test:
(1) Sucrose    (2) Lactose    (3) Maltose    (4) Glucose (5) Mannose
 


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 48

The number of molecules having bond angle greater than H2O are:
CH4, NH3, H2S, PH3, Cl2O, F2O


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 49

The normality of 0.3 M H3PO3 when it undergoes the following reaction,would be?


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 50

2 moles of ideal gas is expanded isothermally & reversibly from 1 liter to 10 liter. Find the enthalpy change in (kJ mol-1,rounded up to first decimal place ).


Detailed Solution for IIT JAM Chemistry Mock Test 4 - Question 50

No. of moles(n) = 2 moles.

Temperature(T) = 300 K.

V₂ = 10 L, and V₁ = 1 L.

Universal Gas Constant (R) = 8.31 J/moleK.

Using the formula,

Work done = -2.303nRTlog(V₂/V₁)  [For Chemistry.]

∴ Work done = -2.303 × 2 × 8.31 × 300 × log(10/1)

∴ Work done = -11482.758 J.

∴ Work done = -11.483 kJ.

 

Now, Process is Isothermal, therefore, Internal Energy will also be zero.

Thus, Using first Law of thermodynamics (of Chemistry and not of physics)

∴ ΔU = ΔQ + w

∴ ΔQ = - w

∴ ΔQ = - (-11.483)

∴  ΔQ = 11.483 kJ ≈ 11.4 kJ.

*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 51

The Arrhenius parameter for thermal decomposition of NOCl, 2NOCl → 2NO (g) + Cl2 (g) are A = 107 m–1 S–1. Ea = 250 KJ/mol and RT = 4.5 KJ/mol. The enthalpy of the activated complex is:


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 52

Half-life of Na24 radioactive nuclei is 15 h the time in which the activity of sample of Na24 radioactive nuclei will decrease by 87.5% is (in hours, rounded up to first decimal place)


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 53

Number of hydrogen bonds in Guanine and Cytosine base pairs in DNA is?


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 54

The number of bridging carbonyl greens present in Fe3(CO)12 is:


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 55

for NaCl, HCl, NaA are 126.4, 425.9, 100.5 S cm2 mc –1 respectively. It the conductivity of 0.001 M Na is 5 × 10–5 S cm–1 degree of dissociation of HA is:  (rounded up to three decimal place)


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 56

It the de-Broglie wavelength of the electron in the Bohr orbit in a hydrogenic atom in atom in equal to 1.5 πa0. Then the value of n/z is: (rounded upto two decimal place)


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 57

It Ksp of Ag2CO3 is 8 × 10–12. The molar solubility of Ag2CO3 in 0.1 m AgNO3 is x × 10–10 find x:


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 58

The solubility product of AgBr(s) is 5 × 10–13 at 298 K if the standard reduction potencial of the half cell is 0.07. The standard reduction patencial of   (is volts is) (rounded upto two decimal place)


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 59

Integrate sin3ᴓ in the limit 0 to π/2.


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 4 - Question 60

The number of Mg ATP’s required in the reduction of N2 to ammonia is


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