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Chemistry: Topic-wise Test- 5 - NEET MCQ


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45 Questions MCQ Test - Chemistry: Topic-wise Test- 5

Chemistry: Topic-wise Test- 5 for NEET 2024 is part of NEET preparation. The Chemistry: Topic-wise Test- 5 questions and answers have been prepared according to the NEET exam syllabus.The Chemistry: Topic-wise Test- 5 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Chemistry: Topic-wise Test- 5 below.
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Chemistry: Topic-wise Test- 5 - Question 1

Crotonaldehyde (CH3 CH = CHCHO)can be easily oxidized to crotonic acid (CH3 CH = CHCOOH) using

Detailed Solution for Chemistry: Topic-wise Test- 5 - Question 1

KMnO4 oxidise double bond to  form diols whereas Triple bond to form Carboxylic acid. Thus tollen reagent is used for the conversion.

Chemistry: Topic-wise Test- 5 - Question 2

Which of the following aldehydes forms a stable hydrate ?

Chemistry: Topic-wise Test- 5 - Question 3

When propyne is treated with aqueous H2SO4 in presence of HgSO4 the major product obtained is

Chemistry: Topic-wise Test- 5 - Question 4
Which of the following compounds is oxidised to prepare ethyl methyl ketone ?
Chemistry: Topic-wise Test- 5 - Question 5

Benzene reacts with  CH3COCI in the presence of anhyd. AICI3to give?

Chemistry: Topic-wise Test- 5 - Question 6

An organic compound,  C3H6Odoes not give a precipitate with 2, 4-dinitrophenylhydrazine reagent and does not react with metallic sodium. It could be

Chemistry: Topic-wise Test- 5 - Question 7
The end product ‘C’ in the following sequence of chemical reactions is  
Chemistry: Topic-wise Test- 5 - Question 8

In the Cannizzaro reaction given below 

the slowest step is:

Chemistry: Topic-wise Test- 5 - Question 9

Iodoform test is not given by

Chemistry: Topic-wise Test- 5 - Question 10
The reaction in which sodium cyanide is used is 
Chemistry: Topic-wise Test- 5 - Question 11

Aldol condensation will not take place in

Chemistry: Topic-wise Test- 5 - Question 12
Calcium formate on dry heating yields
Chemistry: Topic-wise Test- 5 - Question 13
Polarization of electrons in acrolein may be written as
Chemistry: Topic-wise Test- 5 - Question 14
Rearrangement of an oxime to an amide in presence of a strong acid is called
Chemistry: Topic-wise Test- 5 - Question 15

Identify the compounds A and B in the following reaction sequence.

 

Chemistry: Topic-wise Test- 5 - Question 16

Which of the following has the most acide hydrogen

Chemistry: Topic-wise Test- 5 - Question 17
The incorrect IUPAC name is
Chemistry: Topic-wise Test- 5 - Question 18
Which of the following organic compounds answers both iodoform test and Fehling’s test ?
Chemistry: Topic-wise Test- 5 - Question 19

An organic compound ‘A’ has the molecular formula. C3 H6 O It undergoes iodoform test. when saturated with HCl, it gives ‘B’of molecular formula. ‘C9 H14 O A’ and ‘B’ respectively are

Chemistry: Topic-wise Test- 5 - Question 20
Acetone is mixed with bleaching powder to give
Chemistry: Topic-wise Test- 5 - Question 21
The dipole moment is the highest for
Chemistry: Topic-wise Test- 5 - Question 22

The most suitable reagent for the conversion of  RCH2OH → RCHO is 

Chemistry: Topic-wise Test- 5 - Question 23

Nucleophilic addition will be most favoured in

Chemistry: Topic-wise Test- 5 - Question 24
Self-condensation of ethyl acetate in presence of sodium ethoxide yields
Chemistry: Topic-wise Test- 5 - Question 25

Acetone on distillation with conc. H2SOforms

Chemistry: Topic-wise Test- 5 - Question 26
An acid reacts with an isotopically labelled methanol to produce
Chemistry: Topic-wise Test- 5 - Question 27
The acid D obtained through the following sequences of reactions is

Chemistry: Topic-wise Test- 5 - Question 28
The rate of a gaseous reaction is given by the expression k [A][B]. If the volume of the reaction vessel is suddenly reduced to 1/4th of the initial volume, the reaction rate relating to original rate will be
Chemistry: Topic-wise Test- 5 - Question 29

For an endothermic reaction, where ΔH represents the enthalpy of the reaction in k.J./mol, the minimum value for the energy of activation will be

Chemistry: Topic-wise Test- 5 - Question 30

In a reaction A → B , the rate of reaction increases two times on increasing the concentration of the reactant four times, then order of reaction is

Chemistry: Topic-wise Test- 5 - Question 31

The rate constant for the reaction,  2N2O5 → 4NO2 + O2 is  3.0 x 10 -5 sec -1. If the rate is 2.40 x 10-5 mol liter-1 sec -1, then the concentration of  N2O5 ( in mol liter-1)

Chemistry: Topic-wise Test- 5 - Question 32

The rate law for a reaction between the substances A and B is given by Rate = k [ A ]n [ B ]On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be

Chemistry: Topic-wise Test- 5 - Question 33
Peptisation is a process of
Chemistry: Topic-wise Test- 5 - Question 34
At the critical imcelle concentration (cmc) the surface molecules
Chemistry: Topic-wise Test- 5 - Question 35
Movement of dispersion medium under the influence of electric field is
Chemistry: Topic-wise Test- 5 - Question 36
Adsorption of gases on solid is generally exothermic because
Chemistry: Topic-wise Test- 5 - Question 37
Which of the following forms micelles in aqueous solution above certain concentration ?
Chemistry: Topic-wise Test- 5 - Question 38
Which of the following is most abundant in the earth’s crust?
Chemistry: Topic-wise Test- 5 - Question 39

Borax is prepared by treating colemanite with

Chemistry: Topic-wise Test- 5 - Question 40
On the addition of mineral acid to an aqueous solution of borax, the following compound is formed
Chemistry: Topic-wise Test- 5 - Question 41

Which of the following compounds are formed when boron trichloride is treated with water

Chemistry: Topic-wise Test- 5 - Question 42
Property of catenation is strongest in :
Chemistry: Topic-wise Test- 5 - Question 43
The element which forms neutral and acidic oxides is :
Chemistry: Topic-wise Test- 5 - Question 44
The metalloid among the following is:
Chemistry: Topic-wise Test- 5 - Question 45

The anhydride of carbonic acid  H2 CO3 is :

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