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Unsaturated halides (Hal..



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Q1. Saturated hydrocarbons are otherwise referred as ________________

(a) Alkanes
(b) Alkenes
(c) Alkynes
(d) Alkaloids

Q2. Which of the following will be obtained by keeping ether in contact with air for a long time?

(a) C2H5?O?CH (CH3)?O?OH
(b) C2H5?OCH2?OH
(c) C2H5?O?C2H5OH
(d) CH3?O CH (CH3)?O?OH

Q3. Which pair of products would result from the acid cleavage of tert-butyl propyl ether with excess concentrated HBr at an elevated temperature?

(a) tert-butyl bromide and propyl alcohol
(b) tert-butyl bromide and propyl bromide
(c) tert-butyl alcohol and propyl bromide
(d) 2-methyl-2-butene and propyl bromide

Q4. The boiling point of ethyl alcohol is much higher than that of dimethyl ether though both have the same molecular weight. Why?

(a) Ether is insoluble in water
(b) Methyl groups are attached to oxygen in ether
(c) Dipole moment of ethyl alcohol is less
(d) Ethyl alcohol shows hydrogen bonding

Q5. Select the ether among following that yields methanol as one of the products on reaction with cold hydroiodic acid.

(a) 1-Methoxybutane
(b) 1-Methoxy-2-methylpropane
(c) 2-Methoxy-2-methylpropane
(d) Methoxybenzene

Q6. Which pair of products would result from the acid cleavage of phenyl propyl ether with excess concentrated HBr at an elevated temperature?

(a) Phenol and 1-propanol
(b) Bromobenzene and 1-propanol
(c) Bromobenzene and 1-bromopropane
(d) Phenol and 1-bromopropane

Q7. What are the products when tert-butyl ethyl ether is cleaved with concentrated HI?

(a) iodoethane and tert-butanol
(b) iodoethane and 2-iodo-2-methylpropane
(c) ethanol and 2-iodo-2-methylpropane
(d) ethanol and tert-butanol

Q8. What are the products when ethyl isopropyl ether is cleaved with concentrated HI?

(a) ethanol and 2-iodo-2-methylpropane
(b) ethanol and 2-methylpropane
(c) iodoethane and isopropyl alcohol
(d) iodoethane and 2-methylpropane

Q9. Ethers may be used as solvents because they react only with which of the following reactants?

(a) Acids
(b) Bases
(c) Oxidising agent
(d) Reducing agents

Q10. An ether is more volatile than an alcohol having the same molecular formula. What is the reason for this difference?

(a) dipolar character of ethers
(b) alcohols having resonance structures
(c) inter-molecular hydrogen bonding in ethers
(d) inter-molecular hydrogen bonding in alcohols


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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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136 views

Consider The Following Bromides

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Consider The Following Bromides

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135 views

The Major Product Of The Following Reaction Is

Modified 227 Year Ago

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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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The Major Product Formed In The Following Reaction

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