Test: Chemistry- 4
45 Questions MCQ Test NEET Mock Test Series | Test: Chemistry- 4
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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
gives a compound ‘Y’ which reacts with and sodium carbonate to form tri-iodomethane. The compound ‘X’ is
Solution:
QUESTION: 2
Heating methyl phenyl ether with HI gives
Solution:
QUESTION: 3
In the following compounds, 
The order of acidity is
Solution:
QUESTION: 4
Which of the following is a Riemer-Tiemann reaction
Solution:
QUESTION: 5
Victor Meyer’s test is not given by
Solution:
QUESTION: 6
When phenol is treated withe excess bromine water
Solution:
QUESTION: 7
n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent
Solution:
QUESTION: 8
Glycerol is treated with excess of HI at room temperature and then with more HI at 426K. The
final product obtained is
Solution:
QUESTION: 9
Phenol reacts with PCl5 to give mainly
Solution:
Answer :D
Solution :
Phenyl reacts with PCl5 to give only a small amount of chlorobenzene, the main product is triphenyl phophate, (C6H5)3PO4, the ester of phosphoric acid. With PCl3, we get ester of phosphoric acid, (C6H5)3PO3.
QUESTION: 10
In the reaction of phenol with 
and aqueous NaOH at 
(343 K), the electrophile attacking the ring is
and aqueous NaOH at (343 K), the electrophile attacking the ring is
Solution:
QUESTION: 11
Which of the following on oxidation gives a ketone ?
Solution:
QUESTION: 12
Dow’s reaction involves
Solution:
QUESTION: 13
Correct increasing order of acidity is as follows ?
Solution:
D is correct because increasing order of replaceable hydrogen.
QUESTION: 14
Which of the following cannot be made by using Williamson’s synthesis ?
Solution:
QUESTION: 15
The compound obtained by the reaction of ethene with diborane followed by hydrolysis with alkaline
hydrogen peroxide is
Solution:
QUESTION: 16
When benzenediazonium chloride is treated with water, the compound formed is
Solution:
QUESTION: 17
Which one of the following compounds will be most readily attacked by an electrophile ?
Solution:
QUESTION: 18
The alcohol which does not give a stable compound on dehydration is
Solution:
QUESTION: 19
What amount of bromine will be required to convert 2g of phenol into 2,4, 6-tribromophenol ?
Solution:
QUESTION: 20
The reaction of 
with acetone and hydrolysis of the resulting product gives
with acetone and hydrolysis of the resulting product gives
Solution:
QUESTION: 21
Identify X in the following sequence of reaction 
Solution:
QUESTION: 22
Which of the following compounds will react with two moles of 
?
?
Solution:
QUESTION: 23
Ethyl ethanoate 
P.The product P will be
P.The product P will be
Solution:
QUESTION: 24
Which of the following pairs of solutions is isotonic ?
Solution:
QUESTION: 25
At 298K, highest osmotic pressure is exhibited by a 0.1M solution of
Solution:
QUESTION: 26
Which of the following is an electrically prepared semipermeable membrane ?
Solution:
QUESTION: 27
What will happen if an egg whose white surface is removed by dilute HCl solution is placed in a saturated solution of NaCl ?
Solution:
QUESTION: 28
The van’t Hoff factor for a 0.1 M 
solution is 4.20. The degree of dissociation is
solution is 4.20. The degree of dissociation is
Solution:
QUESTION: 29
The molar boiling-point constant for water is 0.513 Km–1. 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
Solution:
QUESTION: 30
When mercuric iodide is added to an aqueous solution of potassium iodide (in excess), a soluble complex, 
is formed. Then,
is formed. Then,
Solution:
QUESTION: 31
The degree of association 
is given by the expression
is given by the expression
Solution:
QUESTION: 32
The average osmotic pressure of human blood is 7.8 bar at 37oC. What is the concentration of an aqueous NaCl solution that could be introduced in the bloodstream?
Solution:
QUESTION: 33
Which of the following ions has smallest radii ?
Solution:
QUESTION: 34
The yellow colour of chromates changes to orange on acidification due to formation of
Solution:
QUESTION: 35
Which of the following is an acidic oxide ?
Solution:
QUESTION: 36
Malachine is a mineral of
Solution:
QUESTION: 37
The flux used in smelting of copper ores is
Solution:
QUESTION: 38
In the reaction between 
and KI, a white precipitate is obtained. The precipitate has the
and KI, a white precipitate is obtained. The precipitate has thecomposition
Solution:
QUESTION: 39
An alloy which does not contain copper, is
Solution:
QUESTION: 40
Lucas reagent is
Solution:
QUESTION: 41
The carbon content in steel is
Solution:
QUESTION: 42
In the dichromate dianion
Solution:
QUESTION: 43
Arrange 
in increasing order of their ionic radii
in increasing order of their ionic radii
Solution:
QUESTION: 44
on heating gives
Solution:
QUESTION: 45
Transuranic elements begin with
Solution:
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