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AIIMS Chemistry Mock Test - 1 - NEET MCQ


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30 Questions MCQ Test - AIIMS Chemistry Mock Test - 1

AIIMS Chemistry Mock Test - 1 for NEET 2024 is part of NEET preparation. The AIIMS Chemistry Mock Test - 1 questions and answers have been prepared according to the NEET exam syllabus.The AIIMS Chemistry Mock Test - 1 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for AIIMS Chemistry Mock Test - 1 below.
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AIIMS Chemistry Mock Test - 1 - Question 1
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When vapours of isopropyl alcohol are passed over heated copper, the major product obtained is

Detailed Solution for AIIMS Chemistry Mock Test - 1 - Question 1
Isopropyl alcohol + Cu,573K----Propanone or acetone will be the major product.
AIIMS Chemistry Mock Test - 1 - Question 2
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The maximum amount of BaSO4 that can be obtained on mixing 0.5 mole BaCl2 with 1 mole H2SO4 is

Detailed Solution for AIIMS Chemistry Mock Test - 1 - Question 2
1. The options provided by you are all in kg,and incorrect too. In question it is asked that amount BaSO4 in terms of moles.2. The reaction is : BaCl2 + H2SO4 →→ BaSO4 + 2HCl3. 1 mole of BaCl2 reacts with 1 mole of H2SO4 to give 1 mole of BaSO4. But here 0.5 M of BaCl2 is present for 1 mole of H2SO4.So.BaCl2 is the limiting reagent,and 0.5M of BaSO4 is obtained.
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AIIMS Chemistry Mock Test - 1 - Question 3
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Which of the following is heterogeneous mixture?

AIIMS Chemistry Mock Test - 1 - Question 4
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Benzene reacts with CH₃COCl in the presence of AlCl₃ to give
Detailed Solution for AIIMS Chemistry Mock Test - 1 - Question 4

Reaction of Benzene with CH₃COCl in the presence of AlCl₃

- Friedel-Crafts Acylation Reaction
- Benzene can undergo acylation reactions in the presence of acyl chlorides (such as CH₃COCl) and a Lewis acid catalyst like AlCl₃.
- The Lewis acid catalyst helps in the formation of the acylium ion from the acyl chloride.
- The acylium ion then reacts with benzene to form a new carbon-carbon bond.
- The final product of the reaction is an acylated benzene compound.

Products of the Reaction
- When benzene reacts with CH₃COCl in the presence of AlCl₃, the product formed is C₆H₅COCH₃.
- This product is formed by the attachment of the acetyl group (CH₃CO) to the benzene ring.
- The acetyl group is derived from the acyl chloride CH₃COCl, and it becomes attached to the benzene ring through the formation of a new carbon-carbon bond.

Therefore, the correct answer is option D: C₆H₅COCH₃.

AIIMS Chemistry Mock Test - 1 - Question 5
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Which reaction sequence would be best to prepare 3-choloraniline from benezene ?
Detailed Solution for AIIMS Chemistry Mock Test - 1 - Question 5
First nitration is done then which forms nitrobenzene. then chlorination is done which adds cl at the meta position because NO2 is meta directing . them to reduce NO2 to nh2 reduction is done.
AIIMS Chemistry Mock Test - 1 - Question 6
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Which of the following is formed when toluene reacts with fuming nitric acid?
Detailed Solution for AIIMS Chemistry Mock Test - 1 - Question 6

Nitration of toluene using fuming HNO3 and conc. H2SO4 gives Trinitrotoluene

AIIMS Chemistry Mock Test - 1 - Question 7
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The compound used as refrigerant is
Detailed Solution for AIIMS Chemistry Mock Test - 1 - Question 7
Freon is used as a refrigerant Most widely used freons are CCl2F2,CCl3F,CHClF2..
AIIMS Chemistry Mock Test - 1 - Question 8
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In graphite, the electrons are
AIIMS Chemistry Mock Test - 1 - Question 9
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The species isoelectronic with C₂H₄ is
Detailed Solution for AIIMS Chemistry Mock Test - 1 - Question 9

Isoelectronic refers to molecules, ions or atoms that have the same count of valence electrons and the same electronic structure.

Now,

The atomic number of O₂ = 8

The atomic number of C = 6

The atomic number of H = 1

The atomic number of N = 7

We are given with,  

C2H4  = 2×6 + 4×1 = 16 electrons

O₂⁺ = 2×8-1 = 15 electrons

CN⁻ = 1×6 + 1×7 +1 = 14 electrons

N₂⁺ = 2×7 -1 = 13 electrons

O₂  = 2×8 = 16 electrons

As we can see that, C2H4 and O₂  have same number of electrons, hence they are isoelectronic.

AIIMS Chemistry Mock Test - 1 - Question 10
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What is the rate of a reaction in mol-L⁻1-s⁻1in a first order reaction, if its half-life period is 693 s, and its concentration is 2 mol-L⁻1?
Detailed Solution for AIIMS Chemistry Mock Test - 1 - Question 10
K=ln2/(half life)=0.693/693=0.001and then r=k[A]r=0.001×2=0.002
AIIMS Chemistry Mock Test - 1 - Question 11
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The effect of temperature on the rate constant is given by
AIIMS Chemistry Mock Test - 1 - Question 12
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-

Assertion(A): Inversion of cane sugar is catalysed by invertase from yeast.
Reason(R): The conversion of starch into maltase is catalysed by diastase.
AIIMS Chemistry Mock Test - 1 - Question 13
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-

Assertion(A): Hard water is more suitable than soft water for laundary and dying.
Reason(R): Hard water can be used in steam boilers.
AIIMS Chemistry Mock Test - 1 - Question 14
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Two moles of an ideal gas are compressed at 300 K from a pressure of 1 atm to a pressure of 2 atm. The change in free energy is
AIIMS Chemistry Mock Test - 1 - Question 15
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-

Assertion(A): PbS is roasted in air and when it is partially converted into oxide, it is further heated in absence of air.
Reason(R): Excess air can form higher oxides.
AIIMS Chemistry Mock Test - 1 - Question 16
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-

Assertion(A): In the volumetric estimation of iron (II) in acid solution in the presence of excess chloride by titration with permaganate solution , excess phosphoric acid and manganese (II) sulphate are added to the solution containing iron (II) before the titration .
Reason(R): Phosphoric acid complexes the iron (III) produced by the oxidation , and manganese (II) depresses the reduction potential of permanganate.
AIIMS Chemistry Mock Test - 1 - Question 17
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-

Assertion(A): For caogulating AS2 , S3 , Al3 + ions an better than Na⁺ ions.
Reason(R): Size of Al3 + is smaller than Na⁺.
AIIMS Chemistry Mock Test - 1 - Question 18
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A) : Mercuric chloride is known as corrosive sublimate.
Reason(R) : Mercuric chloride is extremely poisonous substance.
AIIMS Chemistry Mock Test - 1 - Question 19
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Sulphur cross links are present in vulcanised ruber.
Reason(R): Vulcanisation is a free radical initated chain reaction.
AIIMS Chemistry Mock Test - 1 - Question 20
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In the following question, a Statement-1 is given followed by a corresponding Statement-2 just below it. Read the statements carefully and mark the correct answer-
Statement-1: Alkali metals dissolve in liquid ammonia to give blue solutions.
Statement-2: Alkali metals in liquid ammonia give solvated species of the type [M(NH3)n]+ (M = alkali metals).
AIIMS Chemistry Mock Test - 1 - Question 21
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Addition of NH4OH to an aqueous solution of BaCl2 in the presence of NH4Cl(excess) precipitates Ba(OH)2.
Reason(R): BA(OH)2 is insoluble in water
AIIMS Chemistry Mock Test - 1 - Question 22
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Sedatives are given to patients who are mentally agitated and violet.
Reason(R): Sedatives can suppress the activities of central nervous system .
AIIMS Chemistry Mock Test - 1 - Question 23
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-

Assertion(A): Annulene is not aromatic though it contains Huckel number of π-electrons.
Reason(R): Steric interaction between internal hydrogens makes it non-planar.
AIIMS Chemistry Mock Test - 1 - Question 24
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): SeCl4 does not have tetrahedral structure
Reason(R): Se in SeCl4 has two lone pairs
AIIMS Chemistry Mock Test - 1 - Question 25
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): The molality of a solution changes with change in temperature.
Reason(R): The molality is moles of substance dissolved 1 kg of solvent.
Detailed Solution for AIIMS Chemistry Mock Test - 1 - Question 25

The correct answer is D: Assertion is false but reason is true.

By the definition and properties of molality.

AIIMS Chemistry Mock Test - 1 - Question 26
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A):H⁺ ion has a very high polarising power.
Reason(R):Size of H⁺ ion is very small.
AIIMS Chemistry Mock Test - 1 - Question 27
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A):Baeyer's process the only concentration method used for aluminium.
Reason(R):Red bauxite contains iron oxide which is removed in Baeyer's process.
AIIMS Chemistry Mock Test - 1 - Question 28
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-

Assertion(A): Antiseptics can be applied to living tissues.
Reason(R): Iodine is a well known antiseptic.
Detailed Solution for AIIMS Chemistry Mock Test - 1 - Question 28

B is the correct answer. By definition.

AIIMS Chemistry Mock Test - 1 - Question 29
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): d-orbital is double dumbell orbital is 0,1,2.
Reason(R): The allowed value of l for d-orbital is 0,1,2.
AIIMS Chemistry Mock Test - 1 - Question 30
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-

Assertion(A): Propadiene is optically active.
Reason(R): Propadiene has a plane of symmetry.
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