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Test: Chemistry Mock Test - 3


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45 Questions MCQ Test NEET Mock Test Series | Test: Chemistry Mock Test - 3

Test: Chemistry Mock Test - 3 for NEET 2023 is part of NEET Mock Test Series preparation. The Test: Chemistry Mock Test - 3 questions and answers have been prepared according to the NEET exam syllabus.The Test: Chemistry Mock Test - 3 MCQs are made for NEET 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Chemistry Mock Test - 3 below.
Solutions of Test: Chemistry Mock Test - 3 questions in English are available as part of our NEET Mock Test Series for NEET & Test: Chemistry Mock Test - 3 solutions in Hindi for NEET Mock Test Series course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt Test: Chemistry Mock Test - 3 | 45 questions in 45 minutes | Mock test for NEET preparation | Free important questions MCQ to study NEET Mock Test Series for NEET Exam | Download free PDF with solutions
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Test: Chemistry Mock Test - 3 - Question 1
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Which of the following cannot give iodometric titration?

Test: Chemistry Mock Test - 3 - Question 2
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IUPAC name of is

Test: Chemistry Mock Test - 3 - Question 3
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The reacting ion in the nitration of benzene is

Test: Chemistry Mock Test - 3 - Question 4
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The significant figures in 3400 are
Test: Chemistry Mock Test - 3 - Question 5
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Which of the following has maximum unpaired d-electrons?
Test: Chemistry Mock Test - 3 - Question 6
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phospholipids are esters of glycerol with
Test: Chemistry Mock Test - 3 - Question 7
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The shape of IF7 molecule is
Test: Chemistry Mock Test - 3 - Question 8
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If ammonium chloride is dissolved in water, the solution becomes cold. The change is
Test: Chemistry Mock Test - 3 - Question 9
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when a catalyst is added to a reversible reaction in equilibrium state, the value of equilibrium constant
Test: Chemistry Mock Test - 3 - Question 10
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A Carnot engine receives heat at 227oC and exhausts at 47oC. If its efficiency is to be increased by 5 % then the engine should receive heat at
Test: Chemistry Mock Test - 3 - Question 11
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A zero order reaction is one whose rate is independent of
Test: Chemistry Mock Test - 3 - Question 12
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Detergents are prepared by the action of H₂SO₄ followed by neutralization by starting with
Test: Chemistry Mock Test - 3 - Question 13
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The number of optical isomers of the compound CH₃CHBrCHBrCOOH is
Test: Chemistry Mock Test - 3 - Question 14
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Which one of the following would you expect to have highest electronegativity?
Detailed Solution for Test: Chemistry Mock Test - 3 - Question 14

The electronegativity values for the representative elements increase along a period from left to right. Sulphur is situated at the left of the periodic table. Thus it has highest electronegativity among the given elements. The order of electronegativity:
Mg (1.2) < B (2.0) < Te (2.01) < S (2.5) .

Test: Chemistry Mock Test - 3 - Question 15
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The number of unpaired electrons in Ni(CO)₄ is
Test: Chemistry Mock Test - 3 - Question 16
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Cerium (Z=58) is an important member of lanthanoids. which of the following statement about cerium is incorrect?
Test: Chemistry Mock Test - 3 - Question 17
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In the reaction
Cu(s) + 2Ag⁺(aq) → Cu2⁺(aq) + 2Ag(s),
the reduction half cell reaction is
Test: Chemistry Mock Test - 3 - Question 18
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Zone refining process is used for the
Test: Chemistry Mock Test - 3 - Question 19
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In a closed flask of 5 litres, 1.0 gm H₂ is heated from 300 to 600 K, which statement is not correct ?
Test: Chemistry Mock Test - 3 - Question 20
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When CO is passed over solid NaOH heated to 200oC, it forms
Test: Chemistry Mock Test - 3 - Question 21
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Which one of the following is used to remove silicon dioxide in the Serpeck's process of purification of bauxite?
Test: Chemistry Mock Test - 3 - Question 22
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The structure and hybridization of Si(CH₃)₄ is
Test: Chemistry Mock Test - 3 - Question 23
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Among the following oxides, the least acidic is
Test: Chemistry Mock Test - 3 - Question 24
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By which of the following SO₂ is formed ?
Test: Chemistry Mock Test - 3 - Question 25
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Which one of the following can be purified by sublimation?
Test: Chemistry Mock Test - 3 - Question 26
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Bleaching action of bleaching powder is due to the liberation of
Detailed Solution for Test: Chemistry Mock Test - 3 - Question 26

On account of the formation of nascent oxygen, it shows oxidising and bleaching properties.

 

2CaOCl2​+H2​SO4​⟶CaCl2​+CaSO4​+2HClO

 

HClO⟶HCl+(O)

 

Coloured Matter +(O)⟶ Colourless product 

 

Hence, option C is correct.

Test: Chemistry Mock Test - 3 - Question 27
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Benzene is obtained by fractional distillation of
Test: Chemistry Mock Test - 3 - Question 28
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Hydrogen from HCl can be prepared by
Test: Chemistry Mock Test - 3 - Question 29
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Which of the following is a strong electrolyte?
Test: Chemistry Mock Test - 3 - Question 30
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A compound whose molecule is superimposable on its mirror image inspite of the presence of chiral centres, is called
Test: Chemistry Mock Test - 3 - Question 31
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CO₂ on reaction with ethyl magnesium bromide gives
Detailed Solution for Test: Chemistry Mock Test - 3 - Question 31

Answer:

Ethyl bromide does not react with CO2 but Ethyl Magnesium Bromide (Grignard Reagent) does.

CH3CH2MgBr + CO2 (dry ice) ⇒ CH3CH2COOH (acetic acid)

in presence of ether

Explanation:

Ethyl magnesium bromide (grignard reagent) reacts with solid CO2 (dry ice) in ether solvent, to form acetic acid.

Test: Chemistry Mock Test - 3 - Question 32
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Which of the following compounds gives blood red coloration when its Lassaigne's extract is treated with alkali and ferric chloride?
Test: Chemistry Mock Test - 3 - Question 33
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Rosenmund's reduction of an acyl chlroide gives
Test: Chemistry Mock Test - 3 - Question 34
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Test: Chemistry Mock Test - 3 - Question 35
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Which of the following compound turns black on addition of NH₄OH?
Test: Chemistry Mock Test - 3 - Question 36
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All the elements in a Group in the Periodic table have the same
Detailed Solution for Test: Chemistry Mock Test - 3 - Question 36 In the modern periodic table,there are eighteen vertical columns called groups. Each group consists of a number of elements having the same number of electrons in outer shell and the same electronic configuration of the outermost shell (valence shell).
Test: Chemistry Mock Test - 3 - Question 37
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The product of addition polymerization reaction is
Test: Chemistry Mock Test - 3 - Question 38
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An organic compound having molar mass 60 g mol⁻1 found to contain C = 20%,H = 6.67% and N = 46.67% ,rest being oxygen.on heating it gives NH₃ along with solid residue.The solid residue gives violet colour with alkaline copper sulphate solution.The compound is
Test: Chemistry Mock Test - 3 - Question 39
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Oxidation number of S in S₂O₃2⁻ is
Test: Chemistry Mock Test - 3 - Question 40
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Coordination number for Cu is
Detailed Solution for Test: Chemistry Mock Test - 3 - Question 40 Coordination number of ccp (cubic close packing) arrangement is 12
Copper (cu) has ccp structure hence coordination no is 12
Test: Chemistry Mock Test - 3 - Question 41
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How much water is needed to dilute 10 ml of 10 N hydrochloric acid to make it exactly decinormal (0.1N) ?
Test: Chemistry Mock Test - 3 - Question 42
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The conversion of d-form of an optically active compound into l-form of the same or of different compound or vice-versa is known as:
Test: Chemistry Mock Test - 3 - Question 43
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Sulphur forms the chlorides S2Cl2 and SCl2. The equivalent mass of sulphur in SCl2 is 16 g/mole. Therefore the equivalent mass of sulphur in S2Cl2 is
Test: Chemistry Mock Test - 3 - Question 44
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In the hydrogenation of oils the catalyst used is
Test: Chemistry Mock Test - 3 - Question 45
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Which one of the following pairs of substances on reaction will not evolve H₂ gas?
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