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

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

Question # 2

Which one of the following alcohol is indicated by formation of yellow crystals in lodoform tesr?

Question # 3

Phenol is completely soluble in water above

Question # 4

Acetone reacts with HCN to form a cyanohydrin. It is an example of

Question # 5

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

Question # 6

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

Question # 7

The dehydration of ethyl alcohol with concentrated H2SO4 at 140°C gives

Question # 8

To distinguish aldehyde from ketone which solution is used

Question # 9

Which of the following is soluble in water?

Question # 10

CH3CH2CH2OH--------A---------B Here B is

Question # 11

The reagent used to distinguish between ethanol and propanal is

Question # 12

Ethyl alcohol reacts with PCL and produces:

Question # 13

When wine is put in air, it becomes sour due to

Question # 14

An alcohol is converted to an aldehyde with same number of carbon atoms as that of alcohol in the presence of K2Cr2O7/H2S04 the alcohol is

Question # 15

Tertiary aleohols producewith acidified KMno,

Question # 16

Primary, secondary aad tertiary alcohols can be identified and distinguished by

Question # 17

Tertiary alcohols have alpha bydrogens

Question # 18

.Both aldehydes and ketones are planar to the neighborhoods of carbonyl (C-0) group. Which one of the following bonds is distorted towards the oxygen atoms?

Question # 19

Which will not react with phenol

Question # 20

Alcohols of low molecular weight are:

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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 gives silver mirror with ammonicaT AgNO3
A.
Benzyl alcohol
B. Benzene
C. Benzoic acid
D. Benzaldehyde
2 Reactivity of carbonyl compounds is due to
A. Electrophilic carbon
B. Less stearic hindrance
C. Unsaturation of Co
D. Polarity of bond
3 Which of the following alcohol is more soluble in H2O
A. Propanol
B. Butanol
C. Pentanol
D. Hexanol
4 The oxidation of 1 - propanol in the presence of H2SO4, +K2Cr207 produces final product
A. Acetaldehyde
B. Propanal
C. Acetone
D. Propanoic acic
5 The acidity of phenol is due to its
A. Nature of Benzene
B. Double bond in benzene ring
C. Natute of phenoxide ion
D. Hydroxyl group
6 Ethanol reacts with sodium metal to liberate
A. CO2 gas
B. CO gas
C. H2 gas
D. Steam
7 Consider the following reaction
R-CHO + 2Ag(NH3)2OH + R-COONH+ +2Ag+2NH3+H2OThis reaction represents
A. Fehling test
B. Ninhydrin test
C. Benedict lest
D. Tollen's test
8 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
9 When calcium formate and calcium acetate are dry heated they form
A. НCOOH
B. C2H5OH
C. CH3CHO
D. HCHO
10 Primary, secondary aad tertiary alcohols can be identified and distinguished by
A. Lucas test
B. lodoform test
C. Baeyer's test
D. Silver mirror test
11 Which one of the following is more acidic
A. Phenol
B. Carboxylic acid
C. Alcohols
D. Amines
12 Which of the following is more reactive where 0-H bonds break
A. P°alcohol
B. T° alcohol
C. S°alcohol
D. Cannot be predicated
13 Which of the following undergoes easy dehydration?
A. 3-MethyIbutan-2-ol
B. Ethanol
C. 2.Methylpropan-2-ol
D. Methanol
14 During esterifcation, the alcobol molecule acts as:
A. Oxidizing agent
B. Electrophile
C. Reducing agent
D. Nucleophile
15 A student mixed ethyl alcohol with small amount of sodium dichromate and added it to the hot solution of dilute sulphuric acid. A vigorous reaction took place. He distilled the product formed immediately. What was the product?
A. Aceton3
B. Dimethyi ether
C. Acetic acid
D. Acetaldehyde
16
Formation of Picric acid from phenol needs heating, one possible reason for it is
A. acidity of phenol
B. e- donating nature of-OH
C. acidity of picric acid
D. e- with drawing effect of- NO2
17 Reaction of alcohol with hydrogen chloride, in the presence of Zinc chloride yields
A. Ketone
B. Carboxylic
C. Alkyl halide
D. Ester
18 Formalin is used as:
A. Fungicide
B. Germicide
C. Sterilizing of surgical instruments
D. All three
19 Formalin contains-------% alcohol.
A. 37
B. 80
C. 8
D. 52
20 The alcohol that does not form curbonyl compound on oxidation
A. iso-butyl alcohol
B. neo pentyl alcohol
C. Ethanol
D. ter-butyl alcohol

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