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JEE Main Chemistry Test- 3 - JEE MCQ


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25 Questions MCQ Test Mock Tests for JEE Main and Advanced 2025 - JEE Main Chemistry Test- 3

JEE Main Chemistry Test- 3 for JEE 2024 is part of Mock Tests for JEE Main and Advanced 2025 preparation. The JEE Main Chemistry Test- 3 questions and answers have been prepared according to the JEE exam syllabus.The JEE Main Chemistry Test- 3 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for JEE Main Chemistry Test- 3 below.
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JEE Main Chemistry Test- 3 - Question 1

IUPAC name of compound  is

Detailed Solution for JEE Main Chemistry Test- 3 - Question 1
The functional group is OH and it should get low locant and longest chain should be selected for naming so methane becomes substituient and get locant number 4
JEE Main Chemistry Test- 3 - Question 2

Isomers of propionic acid are

JEE Main Chemistry Test- 3 - Question 3

The nature of inter-molecular forces among benzene molecules is

Detailed Solution for JEE Main Chemistry Test- 3 - Question 3
Intermolecular Forces - Benzene. There are three different types of intermolecular forces, dipole interaction, hydrogen bonding, and dispersion forces. The only one that occurs with Benzene is dispersion forces because it is a non-polar molecule.
JEE Main Chemistry Test- 3 - Question 4
The geometrical isomerism is shown
JEE Main Chemistry Test- 3 - Question 5

The addition of HCN to a carbonyl compound is an example of

Detailed Solution for JEE Main Chemistry Test- 3 - Question 5
As carbonyl contains pi bond which broke and later get added therefore it is a ncleophilic addtion reaction.
JEE Main Chemistry Test- 3 - Question 6
Acetaldehyde is the rearrangement product of
JEE Main Chemistry Test- 3 - Question 7
In the presence of platinum catalyst, hydrocarbon A adds hydrogen to form n-hexane. When hydrogen bromide is added to A instead of hydrogen, only a single bromo compound is formed. Which of the following is A ?
JEE Main Chemistry Test- 3 - Question 8
Which of the following will convert

 to   ?
JEE Main Chemistry Test- 3 - Question 9

1,3-Butadiene when treated with  gives

JEE Main Chemistry Test- 3 - Question 10
The alkene  reacts readily with  and formed the product B which on oxidation with alkaline hydrogen peroxides produces
JEE Main Chemistry Test- 3 - Question 11
The ortho-para directing group among the following is
JEE Main Chemistry Test- 3 - Question 12
Amongst the following, the compound that can be most readily sulphonated is
Detailed Solution for JEE Main Chemistry Test- 3 - Question 12
−CH3 group that has +1 effect and due to its presence, toluene has highest electron density in the benzene ring.
For this reason Toluene can be easily sulphonated.
JEE Main Chemistry Test- 3 - Question 13
Chloroform on warming with Ag powder gives
JEE Main Chemistry Test- 3 - Question 14

Ethyl alcohol gives ethyl chloride with the help of

Detailed Solution for JEE Main Chemistry Test- 3 - Question 14

With SOCl2, alcohols give Haloalkanes the best way and also from NaCl we obtain only Cl- which is weak nucleophile and cannot replace OH- which is a stronger nucleophile.

JEE Main Chemistry Test- 3 - Question 15
Which of the following compound will make precipitate most readily with ?
JEE Main Chemistry Test- 3 - Question 16
Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere?
JEE Main Chemistry Test- 3 - Question 17
7.5 grams of a gas occupy 5.6 litres of volume at STP. The gas is
JEE Main Chemistry Test- 3 - Question 18
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is
Detailed Solution for JEE Main Chemistry Test- 3 - Question 18
The density of water is 1g/cm3 Volume of a drop of water =0.0018ml Mass of water drop=0.0018g Moles of water=0.0001 No of water molecules in 1 drop =0.0001X6.022X10^23 =6.022X10^19 water molecules.
JEE Main Chemistry Test- 3 - Question 19
The correct representation of Charle’s law is given by
JEE Main Chemistry Test- 3 - Question 20
The structure of TlCl is similar to CsCl. What would be the radius ratio in TlCl ?
*Answer can only contain numeric values
JEE Main Chemistry Test- 3 - Question 21

Sulphur trioxide is prepared by the following two reactions:-
S8(s) + 8 O2(g) —→ 8 SO2(g)
2SO2(g) + O2(g) —→ 2 SO3(g)
How many grams of SO3 are produced from 1 mole S8?


Detailed Solution for JEE Main Chemistry Test- 3 - Question 21

from the given reaction, it is clear that 1 mol Swill give 8 moles of SO3.

*Answer can only contain numeric values
JEE Main Chemistry Test- 3 - Question 22

How many elements are more electropositive than Cl?
Be, F, O, S, P, Au, H, Na


Detailed Solution for JEE Main Chemistry Test- 3 - Question 22

6.0
F and O are more electronegative than Cl.

*Answer can only contain numeric values
JEE Main Chemistry Test- 3 - Question 23

How many elements have more ionisation energy as compared to their next higher atomic number element?
Na, Mg, Al, Si, P, S, Cl, Ar


Detailed Solution for JEE Main Chemistry Test- 3 - Question 23

2.0 Order of ionization energy
Na < M g > Al < Si < P > S < Cl < Ar

*Answer can only contain numeric values
JEE Main Chemistry Test- 3 - Question 24

How many of the following compounds are more reactive than benzene towards electrophilic substitution.


Detailed Solution for JEE Main Chemistry Test- 3 - Question 24

*Answer can only contain numeric values
JEE Main Chemistry Test- 3 - Question 25

Number of d-orbitals used in the hybridisation of ICl3 is = x and number of lone pair at central atom = y find x + y = ?


Detailed Solution for JEE Main Chemistry Test- 3 - Question 25


sp3d    [x = 1; y = 2]
lp = 2
x + y = 1 + 2 = 3

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