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JEE Main Chemistry Test- 4 - JEE MCQ


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25 Questions MCQ Test Mock Tests for JEE Main and Advanced 2024 - JEE Main Chemistry Test- 4

JEE Main Chemistry Test- 4 for JEE 2024 is part of Mock Tests for JEE Main and Advanced 2024 preparation. The JEE Main Chemistry Test- 4 questions and answers have been prepared according to the JEE exam syllabus.The JEE Main Chemistry Test- 4 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for JEE Main Chemistry Test- 4 below.
Solutions of JEE Main Chemistry Test- 4 questions in English are available as part of our Mock Tests for JEE Main and Advanced 2024 for JEE & JEE Main Chemistry Test- 4 solutions in Hindi for Mock Tests for JEE Main and Advanced 2024 course. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free. Attempt JEE Main Chemistry Test- 4 | 25 questions in 60 minutes | Mock test for JEE preparation | Free important questions MCQ to study Mock Tests for JEE Main and Advanced 2024 for JEE Exam | Download free PDF with solutions
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JEE Main Chemistry Test- 4 - Question 1

An organic compound ‘X’ on treatment with acidified   gives a compound ‘Y’ which reacts with  and sodium carbonate to form tri-iodomethane. The compound ‘X’ is

JEE Main Chemistry Test- 4 - Question 2

Heating methyl phenyl ether with HI gives 

JEE Main Chemistry Test- 4 - Question 3

Among the following, which is least acidic?

JEE Main Chemistry Test- 4 - Question 4
Which compound is known as oil of winter green ? 
JEE Main Chemistry Test- 4 - Question 5
When phenol is treated with excess bromine water 
JEE Main Chemistry Test- 4 - Question 6
n-Propyl alcohol and iso-propyl alcohol can be chemically distinguished by which reagent
JEE Main Chemistry Test- 4 - Question 7
In the reaction of phenol with and aqueous NaOH at (343 K), the electrophile attacking the ring is 
JEE Main Chemistry Test- 4 - Question 8
Which of the following on oxidation gives a ketone ? 
JEE Main Chemistry Test- 4 - Question 9
Dow’s reaction involves 
JEE Main Chemistry Test- 4 - Question 10
The compound which gives the most stable carbonium ion on dehydration is
JEE Main Chemistry Test- 4 - Question 11
The compound obtained by the reaction of ethene with diborane followed by hydrolysis with alkaline hydrogen peroxide is 
JEE Main Chemistry Test- 4 - Question 12
When benzenediazonium chloride is treated with water, the compound formed is
JEE Main Chemistry Test- 4 - Question 13
What amount of bromine will be required to convert 2g of phenol into 2,4, 6-tribromophenol?
Detailed Solution for JEE Main Chemistry Test- 4 - Question 13
From the reaction we know that,

Phenol +  3 Br2  --------> 2,4,6-tribromophenol

For 3 Br2 = 3 * (2*80) = 480

Amount of bromine needed  ,
 
(480*2)/94 = 10.22

((94 is mass of phenol ))

JEE Main Chemistry Test- 4 - Question 14

The reaction of with acetone and hydrolysis of the resulting product gives

JEE Main Chemistry Test- 4 - Question 15
Identify X in the following sequence of reaction 
JEE Main Chemistry Test- 4 - Question 16
Which one of the following pairs will not form an ideal solution ? 
JEE Main Chemistry Test- 4 - Question 17
Which of the following pairs of solutions is isotonic ? 
JEE Main Chemistry Test- 4 - Question 18
At 298K, highest osmotic pressure is exhibited by a 0.1M solution of 
JEE Main Chemistry Test- 4 - Question 19
The van’t Hoff factor for a 0.1 M  solution is 4.20. The degree of dissociation is
JEE Main Chemistry Test- 4 - Question 20
The molal boiling-point constant for water is 0.513 K/m When 0.1 mole of sugar is dissolved in 200.0 g of water, the solution boils under a pressure of 1.0 atm at
*Answer can only contain numeric values
JEE Main Chemistry Test- 4 - Question 21

17.4 % (mass / volume) K2SO4 solution at 27°C is isotonic to 5.85% (mass / volume) NaCl solution at 27°C. If NaCl is 100% ionised, what is % ionisation of K2SO4 in aq. solution?


Detailed Solution for JEE Main Chemistry Test- 4 - Question 21

*Answer can only contain numeric values
JEE Main Chemistry Test- 4 - Question 22

Among the following ore how many example of carbonate ore: 
lime stone, malachite, dolomite, Horn silver, Flourspar, Calamine, Cuprite.


*Answer can only contain numeric values
JEE Main Chemistry Test- 4 - Question 23

Identify the element for given which have the most negative electron gain enthalpy. Write atomic number of that element as answer :-
P ,  S,  Cl,  F,  Br


*Answer can only contain numeric values
JEE Main Chemistry Test- 4 - Question 24

Element 'X' has maximum electron affinity in periodic table then find the number of elements which have low first ionisation energy as compared to element 'X' ?
F, Na, S, Si, P, Ar


*Answer can only contain numeric values
JEE Main Chemistry Test- 4 - Question 25

If number of low spin complexes are 'X' then find the value of 1/x.
[Co(NH3)6]+3, [CoF6]–3, [Fe(CN)6]–4, [Fe(H2O)6]+2, [Cr(gly)3]0, [CoBr2Cl2]–2


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