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Test: Chemistry Minor Mock Test- 3 (March 22) - NEET MCQ


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30 Questions MCQ Test - Test: Chemistry Minor Mock Test- 3 (March 22)

Test: Chemistry Minor Mock Test- 3 (March 22) for NEET 2024 is part of NEET preparation. The Test: Chemistry Minor Mock Test- 3 (March 22) questions and answers have been prepared according to the NEET exam syllabus.The Test: Chemistry Minor Mock Test- 3 (March 22) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Chemistry Minor Mock Test- 3 (March 22) below.
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Test: Chemistry Minor Mock Test- 3 (March 22) - Question 1

Directions: In this question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): The two strands of DNA are complementary to each other.
Reason (R): The hydrogen bonds are formed between specific pairs of bases.

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 1

The two strands of DNA are complementary to each other and hydrogen bonds are formed between specific pairs of bases.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 2

Which of the following ion has smallest radii?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 2

In period when we move from left to right in a period atomic radii 1st decreases till nickel then starts increasing so Ni2+ has smallest radii.

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Test: Chemistry Minor Mock Test- 3 (March 22) - Question 3

In the reaction

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 3

Phenols are acidic in nature so they react with bases to form phenoxide ion.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 4

Primary alcohols are prepared by reduction of carboxylic acids. Though lithium aluminium hydride is a strong reducing agent, it is not used in the reaction. Because 

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 4

LiAlH4 is quite expensive.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 5

Which is not true about a ligand?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 5

Multidentate ligand always act as chelating Ligand

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 6

Which among the following is not considered as a part of transition elements?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 6

A transition metal is one that forms one or more stable ions which have incompletely filled d orbitals. On the basis of this definition, scandium and zinc do not count as transition metals - even though they are members of the d block.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 7

 is a tertiary amine having IUPAC name as:

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 8

Propanamide on treatment with bromine in an aqueous solution of sodium hydroxide gives:

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 8

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 9

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 9

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 10

Directions: This question consist of two statements, each printed as Assertion and Reason. While answering this question, you are required to choose any one of the following four responses.

Assertion : Vitamin D cannot be stored in our body
Reason : Vitamin D is fat soluble vitamin and is excreted from the body in urine

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 10

Vitamin D is a fat soluble vitamin and can be stored in the body since it is not excreted out of the body.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 11

Which is the most stable oxidation state of iron?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 11

Fe has d5 configuration in +3 oxidation state.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 12

Directions: In this question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Glycine must be taken through diet.
Reason (R): It is non-essential amino acid.

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 12

Glycine must not be taken through diet because it can be synthesized in our body and a non-essential amino acid.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 13

In the reaction  The product is - 

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 13

Example of pinacoi-pinacolone rearrangement

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 14

Ketones are reduced to the corresponding alcohols by catalytic hydrogenation to form

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 14

Ketones are reduced to secondary alcohols.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 15

What is the correct order of reactivity of alcohols in the following reaction?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 15

Because 3o carbocation is most stable.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 16

A compond A has the molecular formula C5H9CI. It does not react with bromine in crabon tetrachloride. On treatement with strong base it produces a single compound B. B shas a molecular formula C5H8 and reacts with bromine in carbon tetrachloride. ozonolysis of B produces a compound cC which has a molecular formula C5H8O2. Which of the following structures is that of A?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 16

By the question (B) is correct answer.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 17

Product is : 

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 17

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 18

Ketones react with Grignard reagent to produce

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 18

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 19

 Nitro compounds are reduced to amines. The catalyst that is preferred is:

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 19

Fe + HCl is preferred due to the following reasons:
- Scrap iron i.e Fe is cheap and commercially easily available
- FeCl2 formed will get hydrolysed and release HCl, so, HCl which is required in the reaction will be produced by itself
- Hence only small amount of HCl is required to initiate the reaction.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 20

In which of the following complexes, the nickel metal is in the highest oxidation state?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 20

In A Ni has +4 oxidation state.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 21

Which reaction can be used for the direct conversion of amides into 10 amine ?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 21

The correct answer is option A
Reduction with LiAlH4

 

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 22

Which of the following reagents can be used to oxidise primary alcohols to aldehydes?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 22

All of these are mild oxidizing agent which can oxidize alcohols to aldehyde and ketone.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 23

Maximum oxidation state is shown by

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 23

Os shows maximum oxidation state of +8.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 24

Which among the following transition metal has lowest melting point?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 24

Zn has lowest melting point because it doesnot have any unpaired electrons.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 25

The oxidation state of Ag in tollen’s reagent is

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 25

oxidation state of Ag in tollen’s reagent is +1.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 26

The IUPAC name [CoCl(NO2)(en)2]Cl is

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 26

Name of ligands name first in alphabetical order followed by anme of central ion.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 27

Directions: In this question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A):  Deoxyribose, C5H10O4 is not a carbohydrate.
Reason (R): Carbohydrates are optically active polyhydroxy aldehyde or polyhydroxy ketone or substances which give aldehyde or ketone on hydrolysis.

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 27

Deoxyribose, C5H10O4 is a carbohydrate and is the sugar moiety of DNA.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 28

Which one of the following compound is deliquescent?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 28

ZnClis deliquescent.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 29

Transition metals with highest melting point is

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 29

W belongs to 5d series and also it have lot of unpaired electrons thus it forms strong metallic bonding.

Test: Chemistry Minor Mock Test- 3 (March 22) - Question 30

Which of the following complex will give white precipitate with barium chloride solution?

Detailed Solution for Test: Chemistry Minor Mock Test- 3 (March 22) - Question 30

Since the reagent is BaCl2(aq), displacement reaction will take place. The resulting solution, if insoluble in water, will form a white precipitate. Both BaNO2 and BaCl2 are soluble in water and hence will not form a precipitate. BaSO4, however, is insoluble in water and hence forms a white precipitate.

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