The product C in the following sequence of reaction,

C2H5BrNaOH (aq)ANaBCH3IC is :

(a) butane
(b) ethane
(c) methyl ethyl ether
(d) propane

 

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
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Diethyl ether may be regarded as anhydride of:-
(a) C2H5COOH
(b) C2H5OH
(c) C2H5CHO
(d) C2H5COOC2H5

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Ethers: Preparation, Physical & Chemical Properties, Uses
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The reaction of CH3OC2H5 with HI give:-

(a) CH3I only
(b) C2H5OH only
(c) CH3I+C2H5OH
(d) C2H5I+CH3OH

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Ethers: Preparation, Physical & Chemical Properties, Uses
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Dunstan’s test is used for identification of:

(a) acetone

(b) alcohol

(c) glycerol

(d) carbonyl compound

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Alcohols: Preparation, Physical and Chemical Properties
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Lubricant used in watch is:

(a) coconut oil               (b) pine oil

(c) animal oil                 (d) glycerol

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Alcohols: Preparation, Physical and Chemical Properties
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The value of C-O-C angle in ether molecule is:-
(a) 180°
(b) 150°
(c)   90°
(d) 110°

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Ethers: Preparation, Physical & Chemical Properties, Uses
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Pyroligneous acid contains:
(a) CH3COOH (10%), CH3OH (2.5%), CH3COCH3 (0.5%)
(b) C2H5OH (10%), CH3OH (2.5%), CH3COCH3 (0.5%)
(c) CH3COCH3 (10%), C2H5OH (2.5%), CH3OH (0.5%)
(d) none of the above

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Alcohols: Preparation, Physical and Chemical Properties
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An aldehyde on treatment with Zn/HCl yields:

(a) 1°  alcohol                       (b) 2°  alcohol

(c) 3°  alcohol                        (d) none of these

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Alcohols: Preparation, Physical and Chemical Properties
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Under drastic conditions all the alcohols can be oxidized to carboxylic acids but the following alcohols give carboxylic acids having same number of carbon atoms:

(a) primary

(b) secondary

(c) tertiary

(d) none of these

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Alcohols: Preparation, Physical and Chemical Properties
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The toxicity order for CH3OH, C2H5OH and C3H7OH is:

(a) C2H5OH < CH3OH < C3H7OH

(b) C3H7OH < C2H5OH < CH3OH

(c) C2H5OH < C3H7OH < CH3OH 

(d) CH3OH < C2H5OH < C3H7OH

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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