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IIT JAM Chemistry Mock Test 3 - Chemistry MCQ


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60 Questions MCQ Test Mock Test Series for IIT JAM Chemistry - IIT JAM Chemistry Mock Test 3

IIT JAM Chemistry Mock Test 3 for Chemistry 2024 is part of Mock Test Series for IIT JAM Chemistry preparation. The IIT JAM Chemistry Mock Test 3 questions and answers have been prepared according to the Chemistry exam syllabus.The IIT JAM Chemistry Mock Test 3 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 3 below.
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IIT JAM Chemistry Mock Test 3 - Question 1

With respect to electrophilic aromatic substitution, reactivity order of pyrrole, pyridine, furan and indole is:           

IIT JAM Chemistry Mock Test 3 - Question 2

The major product of the following reaction is:

IIT JAM Chemistry Mock Test 3 - Question 3

Which has least negative ∆combH?

IIT JAM Chemistry Mock Test 3 - Question 4

In a multi layered close-packed structure:           

IIT JAM Chemistry Mock Test 3 - Question 5

Red color complex ion formed on adding FeCl3 to sodium extract, when N and S both are present in organic compounds is:

IIT JAM Chemistry Mock Test 3 - Question 6

The thermal stability among B2X4 is:

IIT JAM Chemistry Mock Test 3 - Question 7

The reaction that yields Li[AlH4] is:

IIT JAM Chemistry Mock Test 3 - Question 8

Vairation of log10 K with1/T is shown by the following graph in which straight line is at 45°, hence ∆H° is:

IIT JAM Chemistry Mock Test 3 - Question 9

Release of O2 from oxy-haemoglobin is favoured by

IIT JAM Chemistry Mock Test 3 - Question 10

Hydrolysis of sucrose is called?           

IIT JAM Chemistry Mock Test 3 - Question 11

How many sigma and pi bonds are present in tetracyanoethylene?           

IIT JAM Chemistry Mock Test 3 - Question 12

Arrange the following complex in increadsing order of stretching vibrational frequency of C-O bond :


 

Detailed Solution for IIT JAM Chemistry Mock Test 3 - Question 12

IIT JAM Chemistry Mock Test 3 - Question 13

The process of removing lighter gangue particles by washing in a current of water is called:             

IIT JAM Chemistry Mock Test 3 - Question 14

Low oxidation state complexes are often air-sensitive, but are rarely water sensitive because:           

IIT JAM Chemistry Mock Test 3 - Question 15

Plot of magnetic susceptibility with temperature show variation as given below. Such behaviour corresponds to:

IIT JAM Chemistry Mock Test 3 - Question 16

Identify the product of the following reaction

IIT JAM Chemistry Mock Test 3 - Question 17

The suitable reaction steps for the following transformation:

IIT JAM Chemistry Mock Test 3 - Question 18

Major product formed in the given reaction is:

IIT JAM Chemistry Mock Test 3 - Question 19

Consider following reagent:           
(I) Br2 water                      (II) Tollen's reagent             (III) Fehling's solution           
Which can be used to make distinction between an aldose and a ketone?           

IIT JAM Chemistry Mock Test 3 - Question 20

Major product formed during the given reaction is:

IIT JAM Chemistry Mock Test 3 - Question 21

For a particle with projection r = 2i – 3j + k and momentum p = i + 2j – 2k in meter and Kg m/sec respectively, calculate the magnitude of angular momentum:

IIT JAM Chemistry Mock Test 3 - Question 22

If the radius of first Bohr orbit be ao, then the radius of third orbit would be:           

IIT JAM Chemistry Mock Test 3 - Question 23

In the following radioactive decay, 232X92220Y89. How many a and β- particles are ejected from X to form Y?           

IIT JAM Chemistry Mock Test 3 - Question 24

If excluded volume is taken zero, compressibility factor Z is

IIT JAM Chemistry Mock Test 3 - Question 25

At a certain temperature vapour pressure of pure ether is 646 mm and that of pure acetone is 283 mm. Calculate the mole fraction of each component in the vapour state if the mole fraction of ether in the solution is 0.50?          

IIT JAM Chemistry Mock Test 3 - Question 26

Compounds K2Ba[Cu(NO2)6] (A) and Cs2Ba[Cu(NO2)6] (B) exhibit tetragonal elongation and tetragonal compression, respectively. The unpaired electron in A and B are found respectively, in orbitals:

IIT JAM Chemistry Mock Test 3 - Question 27

The correct order of energy level of d-orbital or ferrocene is:

IIT JAM Chemistry Mock Test 3 - Question 28

Calculate ΔH at 358 K for the reaction  
Given that DH298 = – 33.29 kJ mole–1 and Cp for Fe2O3(S), Fe(s), H2O(l) and H2(g) are 103.8, 25.1, 75.3 and 28.8 J/k mole respectively.

IIT JAM Chemistry Mock Test 3 - Question 29

The virial expansion for a real gas can be written in either of the following forms:

 
If Bv = aBp, the value of a would be

 

 

IIT JAM Chemistry Mock Test 3 - Question 30

In the 1H NMR spectrum of myrtenal, the two methyl groups are expected to display signals at (chemical shift values (δ) m ppm)

*Multiple options can be correct
IIT JAM Chemistry Mock Test 3 - Question 31

Which of following compound(s) is/are aromatic:

*Multiple options can be correct
IIT JAM Chemistry Mock Test 3 - Question 32

Which of the following statement(s) is/are true?

*Multiple options can be correct
IIT JAM Chemistry Mock Test 3 - Question 33

Which of the following statements are correct:

*Multiple options can be correct
IIT JAM Chemistry Mock Test 3 - Question 34

Among the following, the amino acid(s) which is/are acidic in nature:           

*Multiple options can be correct
IIT JAM Chemistry Mock Test 3 - Question 35

At 35°C, the vapour pressure, of CS2 is 512 mmHg, and of acetone is 344 mmHg. A solution of CS2 and acetone, is which the mole fraction of CS2 is 0.25, has a total vapour pressure of 600 mmHg
Which of the following statements is/are correct?

*Multiple options can be correct
IIT JAM Chemistry Mock Test 3 - Question 36

Which of the following indicator(s) is/are used in the complexometric titration for the estimation of Mg2+:

*Multiple options can be correct
IIT JAM Chemistry Mock Test 3 - Question 37

The correct statement(s) pertaining to the adsorption of a gas on a solid surface is(are):           

*Multiple options can be correct
IIT JAM Chemistry Mock Test 3 - Question 38

Based on the behavior of the metalloenzymes, choose the correct statement(s):           

*Multiple options can be correct
IIT JAM Chemistry Mock Test 3 - Question 39

Which of the following reaction conversion is/are correct:

*Multiple options can be correct
IIT JAM Chemistry Mock Test 3 - Question 40

Identify the pairs in which the covalent radii of elements are almost similar:           

*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 41

The equilibrium constant of a reaction →   at 100°C is 50 if a one litre flask containing one mole of A2 is connected to a two litre flask containing two moles of B. How many moles of AB will be formed at 373 K.


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 42

The Rh—Rh bond order in [Rh(CO)(CS) (μ-Br)]2 is:


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 43

Number of correct statement(s) among following in reference to P4O10 is/are:
I. The structure of the P4O10 cage is reminiscent of adamantane with Td symmetry point group.
II. It is closely related to the corresponding anhydride of phosphorous acid, P4O6..
III. Phosphorus pentaoxide is a potent dehydrating agent as indicated by the exothermic nature of its hydrolysis.
IV. P4O10 is prepared by burning tetraphosphorus with sufficient supply of oxygen


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 44

Calculate the quantity of electricity that would be required to reduce 12.3 gm nitrobenzene to aniline, if the current efficiency for the process is 50%. How many Faradays will be required for complete conversion? (rounded up to first decimal place


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 45

The magnetic field (in Tesla) required for flipping a 1H nucleus in an NMR spectrometer operating at 400 MHz is ………………. (rounded up to two decimal place)


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 46

When 0.045 mole of NaOH was added to one litre of buffer solution, its pH changes from 5.72 to 5.92. Calculate buffer index (rounded up to three decimal places):


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 47

Number of isoprene units present in lupeol is:


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 48

The wave function of a particle confined in a box of length a is

Find probability of finding the particle at x = a (rounded up to two decimal place):


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 49

The total number of reactions which show the formation of benzyl chloride?
 
 


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 50

A cylinder containing cooking gas can withstand a pressure of 14.9 atm. The pressure gauge of cylinder indicates 12 atm at 27OC. Due to sudden fire in the building, its temperature starts rising. At what temp. the cylinder will explode?


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 51

Calculate the sum of vibrational modes of energy for the electronically non-deficient gaseous hydrides of elements of second period.


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 52

How much heat is required to change 10 g ice at 0°C to steam at 100°C? Heat of fusion and heat of vaporization for H2O are 80 cal/gm and 540 cal/gm respectively. Sp. heat of water is 1 cal/g. (in cal.)


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 53

The standard reduction potential of Cu2+/Cu is 0.34 V. If Ksp of Cu(OH)2 is 1.0 × 10–18. Calculate the reduction potential (in Volt) at pH = 10?


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 54

The dipole moment of KCl is 3.336 × 10-29 coulomb meter. The inter-atomic distance is 260 pm. Calculate %-ionic character of KCl if there were opposite charges of fundamental unit located at each nucleus.


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 55

How many number of compound having IR – stretching frequency higher than 1720:






*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 56

Number of reagents which correctly match in the reference to reaction on double bonds:

i) CH2I2/ Zn-Cu  4
(ii) mCPBA (Peroxy acid)  2
(iii) (PPh3)3RhCl/H2  3
(iv) H2O2 / NaOH/H2O   1
(v) O3/Zn/H2O    4
(vi) Na/Liq.NH3/EtOH  2
 


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 57

Number of correct statement/s about given reaction is/are:

 
 
 
 


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 58

Jmax for a rigid diatomic molecule is 3 at 300 K. Calculate the value of rotational constant (in cm-1, rounded up to first decimal place):


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 59

What is the oxidation number of lead in litharge?


*Answer can only contain numeric values
IIT JAM Chemistry Mock Test 3 - Question 60

The specific conductivity of a saturated solution of AgCl is 3.40 × 10–6 ohm–1 cm–1 at 25°C. If , the solubility of AgCl at 25°C is  X × 10–5, then what is the value of X?
(rounded up to first decimal place)


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