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

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Question # 1

Oxidation of secondary alcohol produces

Question # 2

Acetaldehyde cyanohydrin upon hydrolysis prodnces

Question # 3

Which one of the following is more acidic

Question # 4

Alcohols of low molecular weight are:

Question # 5

Which one of the followings is resistant to oxidation under normal conditions

Question # 6

Which reagent is responsible for the conversion of ketone to secondar alcohul

Question # 7

A compound z' decolorizes bromine water and produces white ppt. The compound 'z'is

Question # 8

Propanone does not undergo

Question # 9

Which of the following ketone will not give iodoform test

Question # 10

During esterifcation, the alcobol molecule acts as:

Question # 11

The compound that reacts the slowest in Lucas test

Question # 12

Which of the following alcohol is more soluble in H2O

Question # 13

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

Question # 14

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

Question # 15

The starting substance for the preparation of iodoform is any of the following, except

Question # 16

To distinguish aldehyde from ketone which solution is used

Question # 17

Phenol is completely soluble in water above

Question # 18

1, 3, 5-Pentanetriol has secondary carbon

Question # 19

The oxidation of 1 - propanol in the presence of H2SO4, +K2Cr207 produces final product

Question # 20

2,4,6-Trinitrophenol is commonly called as

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


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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Sr.# Question Answer
1 Which of the following alcohol is more soluble in H2O
A. Propanol
B. Butanol
C. Pentanol
D. Hexanol
2 Identify the compound, which give iodoform test
A. Methanol
B. 3- Hexanol
C. Methyl ketone
D. Propionaldehyde
3 The reagent used to distinguish between ethanol and propanal is
A. I2/ NaOH
B. Benedict's reagent
C. LiAIH
D. sodium nitroprusside
4 Which of the following gives silver mirror with ammonicaT AgNO3
A.
Benzyl alcohol
B. Benzene
C. Benzoic acid
D. Benzaldehyde
5 2-propanol on oxidation yield
A. Propionaldehyde
B. Propanone
C. Propanal
D. Butanal
6
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
7 The number of resonating structures of phenoxide ion are
A. 3
B. 5
C. 6
D. 4
8 Which of the following ketone will not give iodoform test
A. Methyl isopropyl ketone
B. Dimethyl ketone
C. Ethyl isopropyl ketone
D. 2-hexanone
9 The starting substance for the preparation of iodoform is any of the following, except
A.
СН3СН(ОН)CН3
B. CH3CH2ОН
C. HCH2OH
D. CH3COCH3
10 What is true about an alcohol and phenol
A. Both are more acidic than water
B. Both react with NaOH
C. Both produce CO2 with Na2CO3
D. Both, produce H2 with Na
11 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
12 Which reactant does hnof liberate water on reaction with alcohol
A. NH3
B. K2Cr2O7/15H2O
C. HCI
D. PCI3
13 Tertiary aleohols producewith acidified KMno,
A. Ketones
B. Aldehydes
C. Malonic acid
D. Alkene
14 Acetone reacts with HCN to form a cyanohydrin. It is an example of
A. Nucleophilic addition
B. Electrophilic substitution
C. Electrophilic addition
D. Nucleophilic substitution
15 One of the following can produce greater number of moles of ethyl chloride on reacting with escess of ethanol
A. PCI5
B. PCI3
C. HCI/ZnCl2
D. SOCI2
16 The dehydration of ethyl alcohol with concentrated H2SO4 at 140°C gives
A. Ethene
B. Alcohol
C. Diethyl ether
D. Carboxylic acid
17 Which of the following gives positive haloform test and positive Fehling solution
A. Acetone
B. Echanol
C. Acetaldehyde
D. Formaldehyde
18 The reaction of formaldehyde with HCN is
A. Nucleophilic substitution
B. Electrophilic substitution
C. Nucleophilic addition
D. Free radical addition
19 Reaction of alcohol with hydrogen chloride, in the presence of Zinc chloride yields
A. Ketone
B. Carboxylic
C. Alkyl halide
D. Ester
20 In which of the following types of reactions are the carbonyl compounds and alkene are similar in behaviour
A. Nucleophilic addition
B. Electrophilic addition
C. Nucleophilic suhstitution
D. Catalytic hydrogenation

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