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Properties of Alkyl Hali..



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Q1. Which of the following reactant gives the best method of preparation of alkyl halides when reacts with alcohol?

(a) Zn/HCl
(b) PCl5
(c) SOCl2/ Pyridine
(d) PCl3

Q2. Which of the following is not the method of preparation of alkyl halide?

(a) Darzen?s method
(b) Halogenation of alkene
(c) Addition of HX on alkenes
(d) Hydration of alkene

Q3. In primary alkyl halides, carbon attached to the halogen atom is further attached to how many carbon atoms?

(a) 1
(b) 2
(c) 3
(d) 4

Q4. Why alkyl halides are considered to be very reactive compounds towards nucleophile?

(a) they have an electrophilic carbon & a bad leaving group
(b) they have a nucleophilic carbon & a good leaving group
(c) they have an electrophilic carbon
(d) they have an electrophilic carbon & a good leaving group

Q5. Which of the following halide can give best SN2 reaction?

(a) Primary alkyl halide
(b) Tertiary alkyl halide
(c) Secondary alkyl halide
(d) All can give SN2 reaction at same rate

Q6. When two moles of ethyl chloride react with two moles of sodium in the presence of ether what will be formed?

(a) 2 moles of ethane
(b) 1 moles of ethane
(c) 2 moles of butane
(d) 1 moles of butane

Q7. Which alkyl halide out of the following may follow both SN1 and SN2 mechanism?

(a) CH3-X
(b) (CH3)2CH-X
(c) (CH3)3C-X
(d) (CH3)3C-CH2-X

Q8. When ethyl chloride reacts with nascent hydrogen, what is the formed product?

(a) Methane
(b) Propane
(c) Butane
(d) Ethane

Q9. Which alkyl halide has the highest reactivity for a particular alkyl group?

(a) R-F
(b) R-Cl
(c) R-I
(d) R-Br

Q10. Which C-X bond has the highest bond energy per mole?

(a) C-Br
(b) C-Cl
(c) C-F
(d) C-I


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Which Of The Following Of Heating With Aqeous

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233 Year Ago

Which Of The Following Of Heating With Aqeous

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137 views

Consider The Following Bromides

Modified 233 Year Ago

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233 Year Ago

Consider The Following Bromides

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The Major Product Of The Following Reaction Is

Modified 233 Year Ago

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233 Year Ago

The Major Product Of The Following Reaction Is

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126 views

The Major Product Formed In The Following Reaction

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233 Year Ago

The Major Product Formed In The Following Reaction

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