MDCAT Chemistry Chapter 15 MCQ Test With Answer for (Alkyl Halides)

In Chapter 15, Alkyl Halides, many topics are included in the MDCAT syllabus. To facilitate the students, the respective authorities have provided the syllabus that must be considered while preparing. The candidates must check and solve the available MCQs on this platform before appearing in the MDCAT entry test.

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MCQ's Test For MDCAT Chemistry Chapter 15 Alkyl Halides Online Test

Try The MCQ's Test For MDCAT Chemistry Chapter 15 Alkyl Halides Online Test

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MDCAT Chemistry Chapter 15 Alkyl Halides Online Test

00:00
Question # 1

ln ethyl alcohol, the bond that undergoes heterolytic cleavage most readily is

Question # 2

Consider the following reaction
R-CHO + 2Ag(NH3)2OH + R-COONH+ +2Ag+2NH3+H2OThis reaction represents

Question # 3

Which of the substance is not going to react the sodium metal:

Question # 4

Which alcohol is most reactive towards sodium metal?

Question # 5

Which of the following is more reactive where 0-H bonds break

Question # 6

Formalin contains-------% alcohol.

Question # 7

Which one of the following groups is indicated when HCI is formed by reaction of ethanol with phosphorous pentachloride?

Question # 8

To distinguish aldehyde from ketone which solution is used

Question # 9

The reaction of formaldehyde with HCN is

Question # 10

During esterifcation, the alcobol molecule acts as:

Question # 11

One of the following can produce greater number of moles of ethyl chloride on reacting with escess of ethanol

Question # 12

Which one of the following is more acidic

Question # 13

What forces operate between ethyl group of ethyl alcohol and oxygen of water

Question # 14

Formation of Picric acid from phenol needs heating, one possible reason for it is

Question # 15

An electron with drawing group attached to e-position in phenol

Question # 16

The red brown ppt. of Fehling solution and benedict solution tests are of

Question # 17

Which one of the following is an appropriate indication of positive iodoform test?

Question # 18

The strongest conjugate base is

Question # 19

Phenol is completely soluble in water above

Question # 20

which of the following is not a symmetrical ketone

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Prepare Complete Set Wise MDCAT Chemistry Chapter 15 Alkyl Halides Online Test MCQs Online With Answers


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1. Describe the Chemistry of Alkanes with Emphasis on:

a) Combustion
b) The Mechanism of Free Radical Substitution Reaction of Methane , with particular reference to:

  • Initiation
  • Propagation
  • Termination

2. Discuss the Chemistry of Alkenes with Emphasis on:

a) Preparation of Alkenes by Elimination Reactions:
i) Dehydration of Alcohols
ii) Dehydrohalogenation of Alkyl Halides

b) Reactions of Alkenes such as:
i) Catalytic Hydrogenation
ii) Halogenation (Br₂ addition to be used as a test of an alkene)
iii) Hydration of Alkenes
iv) Reaction with HBr with special reference to Markownikoff’s Rule
v) Oxidation of Alkenes using:
- Cold alkaline or acidic KMnO₄ (Bayer’s reagent)
- Hot concentrated acidic or alkaline KMnO₄ for cleavage of the double bond in 2-butene
vi) Polymerization of Ethene

3. Discuss the Chemistry of Benzene with Examples:

a) Structure of Benzene showing the delocalized π-orbital which causes the stability of benzene.

b) Electrophilic Substitution Reactions of Benzene , including mechanisms of:
i) Nitration
ii) Halogenation (Chlorination and Bromination)
iii) Friedel-Craft’s Reaction (Alkylation and Acylation)

c) Hydrogenation of Benzene Ring to form a Cyclohexane Ring

d) Side Chain Oxidation of Methylbenzene (Toluene) and Ethylbenzen

e) Directive Influence of Substituents on the Benzene Ring by:

  • 2,4-directing groups
  • 3,5-directing groups
    (Orientation in electrophilic substitution reactions of benzene)

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MCAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which of the follwing dnes not give brick red precispitate wits Fehling's solution
A. Acetaldehyde
B. Formalin
C. prorionaldehyde
D. Acetone
2 The addition compound obtained by reacting acetaldelyde and HCN, when Iydrolyzed gives
A. Ethyl alcohol
B. Methyl cyanide
C. 2-Hydroxy propanoic acid
D. Ethyl cyanide
3
Which of the following alcohols is least reactive with respect to 0-H bond
A. CH3OH
B. CH-CH2-OH
C. (CH3)2-CH-OH
D. (CH3)3OH
4 The conversion of tertiary alcohols into alkenes in the presence of K2Cr2O7 + H2SO4 is
A. Addition reaction
B. C-H bond cleavage
C. Elimination reaction
D. Combustion reaction
5 Esterification of CH3COOH isreaction
A. Acid base
B. Electrophilic
C. Redox
D. Nucleophilic
6 Which of the following test is not given by aldehvde
A. 2. 4 DNPH test
B. NaHSO3 test
C. Tollen's test
D. Sodium nitroprusside test
7 Alcohols of low molecular weight are:
A. Soluble in water
B. Insoluble in water
C. Soluble in water on heating
D. Insoluble in all solvents
8 Which will not react with phenol
A. NaOH
B. Br2
C. KMn04/OH-
D. Na
9 Which of the following undergoes easy dehydration?
A. 3-MethyIbutan-2-ol
B. Ethanol
C. 2.Methylpropan-2-ol
D. Methanol
10 In aldehydes and ketones carbon of carbonyl group is;
A. sp³ hyhridized
B. sp² hybridized
C. sp hybridized
D. un hybridized

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