Chemistry Model Test - 2017


60 Questions MCQ Test IIT JAM Past Year Papers and Model Test Paper (All Branches) | Chemistry Model Test - 2017


Description
This mock test of Chemistry Model Test - 2017 for IIT JAM helps you for every IIT JAM entrance exam. This contains 60 Multiple Choice Questions for IIT JAM Chemistry Model Test - 2017 (mcq) to study with solutions a complete question bank. The solved questions answers in this Chemistry Model Test - 2017 quiz give you a good mix of easy questions and tough questions. IIT JAM students definitely take this Chemistry Model Test - 2017 exercise for a better result in the exam. You can find other Chemistry Model Test - 2017 extra questions, long questions & short questions for IIT JAM on EduRev as well by searching above.
QUESTION: 1

Silver article turns black when kept in the open for a few days due to formation of     

Solution:
QUESTION: 2

The decreasing order of the first ionization energy of the following elements is

Solution:
QUESTION: 3

Which of these compounds are not aromatic in character ?

Solution:
QUESTION: 4

R- alanine is represented by______

Solution:
QUESTION: 5

Toluene when refluxed with bromine in the Presence of light gives mainly______

Solution:
QUESTION: 6

An element X on exposure to moist air turns reddish-brown and a new compound Y is formed. The substance X and Y are

Solution:
QUESTION: 7

If a Particle has linear momentum then its angular momentum is ________

Solution:
QUESTION: 8

The chemical formula of lead sulphate is

Solution:
QUESTION: 9

An electron is found in an orbital with one radial node and two angular nodes. Which orbital electron is it ?

Solution:

For 4d orbital, n = 4 and l = 2
Number of radial nodes = n - l -1 = 4 - 2 - 1 = 1
Number of angular nodes =  l = 2
The number of angular and radial nodes of 4d orbital are 2 and 1 respectively.

QUESTION: 10

n- simple molecule of solute A associate in solution as The degree of association is x. what is the number of particles at equilibrium ?

Solution:
QUESTION: 11

The final product of the reaction is:

Solution:
QUESTION: 12

In the given reaction - 

reagent may be:

Solution:
QUESTION: 13

In the given reaction sequence

(B) is _______

Solution:

Chloroform when react with hv Phosgene (CCl2O).

and when phosgene react with alcohol dialkyl carbonate is produced.

QUESTION: 14

Solution:
QUESTION: 15

In the given reaction

Solution:
QUESTION: 16

In the given reaction

Solution:
QUESTION: 17

When sulphanilic acid is treated with excess of bromine water, it gives _____

Solution:
QUESTION: 18

Which of the following will be more reactive for E1 reaction?

Solution:
QUESTION: 19

The shape of which one of the orbitals corresponds to the angular wave function in the figure given above ?

Solution:
QUESTION: 20

The ground stable energy of hydrogen atom is - 13.6 ev what is the ground state energy of atom?

Solution:

 

For n=1 me -13.6ev and n=2 me -3.4ev then excitation energy = final - initial energy then 10.2ev. 

QUESTION: 21

Taking into account the isoelectronic Principle and VSEPR Theory, predict in which one of the following pairs, both molecular species have Pyramidal geometry ?

Solution:
QUESTION: 22

XeF3+ belongs to which one of the following AXnEm nomenclature (A = Central, X = singly bonded liquid and E = an unshared electron pair) ?

Solution:
QUESTION: 23

Consider the 0.1N aqueous solutions of the following electrolytes:

1. NaOH
2. NH4OH
3. CH3COOH
4. HCl

The correct sequence of their increasing ph is

Solution:
QUESTION: 24

The molecule N (Sime3)3 has a

Solution:
QUESTION: 25

Haemoglobin a complex containing iron is a constituent of blood. The oxidation state of iron of the complex is ________

Solution:
QUESTION: 26

Match list- I (The metallozymes) with list- II (The metal present in the enzyme) and select the correct answer using the codes given below the lists:



Solution:
QUESTION: 27

The isomerism that are possible in the w(III) complexes [Co(NH3)3 (NO2/3)] and [Co(NH3)3 NO2]Cl2 respectively, are _______

Solution:
QUESTION: 28

For the reaction :

2Cl(g) → Cl (g)

the thermodynamic properties

Solution:
QUESTION: 29

For an enzyme catalysed reaction

Where the symbol have their usual meaning, using the steady state approximation for [ES]. The overall rate equation workout to be

Solution:
QUESTION: 30

The standard oxidation potential of copper and silver electrodes are - 

and 

Respectively, an electrochemical cell containing a copper electrode dipping in a 0.1m CuSO4 solution and a silver electrode dipping in a 0.1m AgNO3 solution is formed using a salt bridge when current is drawn from the cell.

Solution:
*Multiple options can be correct
QUESTION: 31

Which of the following are aromatic ?

Solution:
*Multiple options can be correct
QUESTION: 32

Which of the following compounds has (L) configuration ?

Solution:
*Multiple options can be correct
QUESTION: 33

Which among these can exist tautomerism ?

Solution:
*Multiple options can be correct
QUESTION: 34

Lysione is not used as :

Solution:
*Multiple options can be correct
QUESTION: 35

Which of the following is correct about ΔG ?

Solution:
*Multiple options can be correct
QUESTION: 36

The angular momentum of electron can have the value (s) ___

Solution:
*Multiple options can be correct
QUESTION: 37

The correct starting material and product of different disintegration series are______

Solution:
*Multiple options can be correct
QUESTION: 38

In which of the following set, both the species are isoelectronic and and isostructural?

Solution:
*Multiple options can be correct
QUESTION: 39

Which of the following statement is/are correct

Solution:
*Multiple options can be correct
QUESTION: 40

In which of these compounds does the carbon atom (underlined) nor use Sp3 hybridization for bond formation.

Solution:
*Answer can only contain numeric values
QUESTION: 41

How many d- electrons in Cu+ (At. No. = 29) can have the spin quantum number


Solution:
*Answer can only contain numeric values
QUESTION: 42

One gram of 226Rq has an activity of nearly 1 Ci. The half life of 226Ra is ____ years.


Solution:
*Answer can only contain numeric values
QUESTION: 43

The non- compressive volume of a gas is ____ times than the actual volume of gas molecules.


Solution:
*Answer can only contain numeric values
QUESTION: 44

Calculate the enthalpy of the following reaction :

H2C = CH2(g) + H2(g) → CH3 – CH3(g)

The bond energies of C- H, C- C, C=C and H- H are 99, 83, 147 and 104 kcal respectively.


Solution:
*Answer can only contain numeric values
QUESTION: 45

For a reaction A+B → C+D. If the concentration of A is doubled without altering the concentration of B, the rate gets doubled, if the concentration of B is increased by nine times without altering the concentration of A, the rate gets tripled. The order of reaction is _____


Solution:
*Answer can only contain numeric values
QUESTION: 46

For the hopothetical reactions, the equilibrium constant (k) values are given below:

The equilibrium constant (k) for the reaction 


Solution:
*Answer can only contain numeric values
QUESTION: 47

What current strength in ampere will be required to liberate 10g of chlorine from sodium chloride solution in one hour?


Solution:
*Answer can only contain numeric values
QUESTION: 48

How many stereoisomers exist with the following basic connectivity?

Br CH2 CH (CH3). CH2 CH3


Solution:
*Answer can only contain numeric values
QUESTION: 49

Use the following data to answer the question below:

The resonance energy of anthracene is _____


Solution:

From first reaction we see that for hydrogenation of one double bond we need -28.6 kcal energy.And we know that anthracene contain 7 double bond .So calculated value of hydrogenation of anthracene is (7*-28.6=-200.2).

Resonance energy =Experimental -Calculated

                               =-116.2-(-200.2)

                               =84.

*Answer can only contain numeric values
QUESTION: 50

Density of lithium atom is 0.53 g/cm3. The edge length of Li is 3.5 A°. Find out the number of lithium atoms is a unit cell. (N0 = 6.022 x1023/mol& M = 6.94)


Solution:
*Answer can only contain numeric values
QUESTION: 51

What value of n in Huckel's rule applies to the aromatic compound shown above?


Solution:
*Answer can only contain numeric values
QUESTION: 52

When methyl glucopyranoside reacts with periodic acid, how many moles of the oxidising agent are consumed per mole of sugar ?


Solution:
*Answer can only contain numeric values
QUESTION: 53

How many isomeric aldehydes are possible with formula C5H10O ?


Solution:
*Answer can only contain numeric values
QUESTION: 54

The ionic radius of the fluoride ion is ____ using only the following interionic distance and the radius of the iodide ion 2.19A°.


Solution:
*Answer can only contain numeric values
QUESTION: 55

How many nearest, neighbours are there in an atom or ions for an octahedral hole of a closed packed structure ?


Solution:
*Answer can only contain numeric values
QUESTION: 56

In hydrogen atom, energy of first excited state is - 3.4ev, then the K.E. of same orbital of hydrogen atom is ____ev


Solution:
*Answer can only contain numeric values
QUESTION: 57

The molecular MLx is planar with 7 pairs of electrons around M in the valence shell, the value of x is ______.


Solution:
*Answer can only contain numeric values
QUESTION: 58

In the electronic structure of H2SO4, the total number of unshared electrons is ____.


Solution:
*Answer can only contain numeric values
QUESTION: 59

The dissociation constant of a substituted benzoic acid at 25°C is 1.0 × 10–4. The pH of a 0.01 M solution of its sodium salt is _______.


Solution:
*Answer can only contain numeric values
QUESTION: 60

An excess of AgNO3 is added to 100 mL of a 0.01 M solution of dichlorotetraaquachromium (III) chloride. The number of moles of AgCl precipitate would be


Solution:

Related tests