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Write the structures of -1-Iodo-2, 3-dimethylbutane
Concept: Introduction of Haloalkanes and Haloarenes
Write the structures of - 1, 3, 5 - tribromobenzene
Concept: Introduction of Haloalkanes and Haloarenes
A gas when passed through K2Cr2O7 and dil. H2SO4 solution turns it green, the gas is
(A) CO2
(B) NH3
(C) SO2
(D) Cl2
Concept: Introduction of Haloalkanes and Haloarenes
How is ethanoic acid prepared from dry ice?
Concept: Introduction of Haloalkanes and Haloarenes
The stability order for carbocation is _______.
(A) 2° > 3° > 1°
(B) 3° > 2° > 1°
(C) 3° > 1° > 2°
(D) 1° > 3° > 2°
Concept: Hydrocarbons: Alkanes >> Reactions of Haloalkanes - Nucleophilic Substitution Reactions
Identify A and B in the following reaction:
`CH_3-Br+Mg"dry ether"/""A+CO_2"dry ether"/(H^+/(H_2O))B+Mg(Br)OH`
Concept: Introduction of Haloalkanes and Haloarenes
How are the following conversions carried out?
2-methylbutan-1-ol into 2 -methylbutanoic acid.
Concept: Introduction to Haloalkanes and Haloarenes >> Nomenclature
But-1-ene on reaction with HCl in the presence of sodium peroxide yields _______.
Concept: Introduction to Haloalkanes and Haloarenes >> Nomenclature
IUPAC name of is C6H5 − CH2 − C − CH2 − CH2 − CH2 − CH3 is _______
(A) 1-Phenylhexan-2-one
(B) 6-Phenylhexan-5-one
(C) 1-Benzylhexan-5-one
(D) Dodecan-5-one
Concept: Introduction to Haloalkanes and Haloarenes >> Nomenclature
How is nitromethane prepared from the following?
alkyl halide
Concept: Introduction to Haloalkanes and Haloarenes >> Nomenclature
How is nitromethane prepared from the following?
α-nitroalkene
Concept: Introduction to Haloalkanes and Haloarenes >> Nomenclature
Draw a neat, labelled energy profile diagram for SN1 reaction mechanism.
Concept: Hydrocarbons: Alkanes >> Reactions of Haloalkanes - Elimination Reactions
Identify 'A' in the following reaction -
(a) 2- Bromo-2 methylbutane
(b) 1 -Bromo-2,2-dimethylpropane
(c) 1 - Bromo - 3 -methylbutane
(d) 1 - Bromo- 2 -methylpropane
Concept: Hydrocarbons: Alkanes >> Reactions of Haloalkanes - Nucleophilic Substitution Reactions
Complete and rewrite the balanced chemical equations
Concept: Introduction to Haloalkanes and Haloarenes >> Nomenclature
What is the action of the following on ethyl bromide
alcoholic solution of potassium hydroxide.
Concept: Hydrocarbons: Alkanes >> Reactions of Haloalkanes - Nucleophilic Substitution Reactions
What is the action of the following on ethyl bromide:
moist silver oxide
Concept: Hydrocarbons: Alkanes >> Reactions of Haloalkanes - Nucleophilic Substitution Reactions
Write a short note on Sandmeyer’s reaction.
Concept: Methods of Preparation of Haloalkanes and Haloarenes
What are racemates?
Concept: Hydrocarbons: Alkanes >> Reactions of Haloalkanes - Elimination Reactions
Observe the following compounds and answer the questions given below.
(I)
\[\ce{\underset{\text{(II)}}{CH3 - CH2 - Br}}\]
- Identify the type of halides.
- Explain the nature of the C – Br bond in both of these halides.
- Which of these compounds will undergo aqueous alkaline hydrolysis readily? Write the reaction in support of your answer.
Concept: Hydrocarbons: Alkanes >> Reactions of Haloalkanes - Elimination Reactions
Why alkyl halides though polar are immiscible with water?
Concept: Physical Properties of Haloalkanes and Haloarenes
