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
MDCAT Chemistry Chapter 15 Alkyl Halides Online Test
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Question # 1
An electron with drawing group attached to e-position in phenol
Question # 2
One of the following can produce greater number of moles of ethyl chloride on reacting with escess of ethanol
Question # 3
Temperature required for the dehydration of ethanol into ethene in the presence of HaSOu is
Question # 4
The dehydration of ethyl alcohol with concentrated H2SO4 at 140°C gives
Question # 5
Which of the follwing dnes not give brick red precispitate wits Fehling's solution
Question # 6
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?
Question # 7
Identify the compound, which give iodoform test
Question # 8
The starting substance for the preparation of iodoform is any of the following, except
Question # 9
2-propanol on Oxidation gives
Question # 10
Which alcohol is most reactive towards sodium metal?
Question # 11
Which of the following ketone will not give iodoform test
Question # 12
The conversion of tertiary alcohols into alkenes in the presence of K2Cr2O7 + H2SO4 is
Question # 13
The reaction of formaldehyde with HCN is
Question # 14
Phenol is colourless, crystalline and solid
Question # 15
Which one of the following is more acidic
Question # 16
Which will not react with phenol
Question # 17
Tertiary aleohols producewith acidified KMno,
Question # 18
Ethanol reacts with sodium metal to liberate
Question # 19
In aldehydes and ketones carbon of carbonyl group is;
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)
Top Scorers Of MDCAT Chemistry Chapter 15 Alkyl Halides Online Test MCQ`s Test
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
2
.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?
A. pi-bond of C and O
B. Sigma bond of C and O
C. Sigma bond of C and H
D. Sigma bond of C and C
3
The oxidation of 1 - propanol in the presence of H2SO4, +K2Cr207 produces final product
A. Acetaldehyde
B. Propanal
C. Acetone
D. Propanoic acic
4
Ethanol reacts with sodium metal to liberate
A. CO2 gas
B. CO gas
C. H2 gas
D. Steam
5
The strongest conjugate base is
A. OH-
B. CH3O-
C. C6H5O-
D. CH3COO-
6
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
7
During esterifcation, the alcobol molecule acts as:
A. Oxidizing agent
B. Electrophile
C. Reducing agent
D. Nucleophile
8
Which of the following alcohol is more soluble in H2O
A. Propanol
B. Butanol
C. Pentanol
D. Hexanol
9
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
A. CH3C(CH3)2OH
B. (CH3)3COH
C.
CН3СН2СН2OH
D. (CH3)2CHOH
10
Relative acidic strength of alcohol, phenol, water and carboxylie acid is
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