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Q1. A haloalkane is known to have an SN2 reaction rate 30 times faster than that of ethyl bromide. Identify the haloalkane.

(a) Methyl bromide
(b) Isopropyl bromide
(c) tert-Butyl bromide
(d) neo-Pentyl bromide

Q2. The reaction between chloroethane and potassium hydroxide is a _______ order reaction.

(a) zero
(b) first
(c) second
(d) third

Q3. Which of the following statements in incorrect regarding SN2 mechanisms?

(a) The rate of the reaction depends on the concentration of both reactants
(b) The complete mechanism takes place in a single step
(c) The transition state is stable
(d) There is inversion of configuration

Q4. Identify the nucleophile that gives a primary amine and hydrogen bromide on reaction with bromoethane.

(a) NH2
(b) NH3
(c) H2O
(d) H

Q5. Which of the following is not an ambident nucleophile?

(a) Hydroxide
(b) Thiocyanate
(c) Cyanide
(d) Nitrite

Q6. Which of the followings reagents forms an isonitrile when reacted with an alkyl halide?

(a) KCN
(b) AgCN
(c) KNO2
(d) AgNO2

Q7. What is the class of the substitution product of the reaction between LiAlH4 and an alkyl halide?

(a) Haloalkane
(b) Hydrocarbon
(c) Nitroalkane
(d) Alkyl nitrite

Q8. Identify the nucleophile in the substitution reaction between water and bromopropane.

(a) Br?
(b) H+
(c) OH?
(d) H2O

Q9. What will be the class of the nucleophilic substitution product when sodium hydroxide reacts with chloroethane?

(a) Alkane
(b) Alcohol
(c) Amine
(d) Ether

Q10. The reaction that takes place when an electron rich species stronger than the halide approaches the partially positive carbon atom of a haloalkane and forms a new bond with the carbon atom and in the process displacing the halogen is called a ________ reaction.

(a) displacement
(b) electrophilic substitution
(c) nucleophilic substitution
(d) elimination


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Which Of The Following Of Heating With Aqeous

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Which Of The Following Of Heating With Aqeous

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138 views

Consider The Following Bromides

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Consider The Following Bromides

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136 views

The Major Product Of The Following Reaction Is

Modified 235 Year Ago

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The Major Product Of The Following Reaction Is

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127 views

The Major Product Formed In The Following Reaction

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