1-2-dichloro ethane + NaSCH2CH2SNa  P (C4H8S2

Unknown product (p) of the above reaction is:

1. 

2. 

3. H-S-CH=CH-CH=CH-S-H

4. H-CH=CH-CH2-S-H

Subtopic:  Introduction and Physical Properties |
 72%
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Moist Ag2O (A) product

Major product (A) is:

1.  

2. 

3. 

4. 

Subtopic:  Mechanism of Reactions |
 57%
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 KCN  Product of reaction is:

 (MOM chloride)

(Methoxy methyl chloride)

1. 

2. 

3.  Me-O-CH2-CH2-CN   

4. CN -CH2-CN         

Subtopic:  Mechanism of Reactions |
 83%
From NCERT
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Alkyl halides can be obtained by all methods except:

1. CH3CH2OH +HCl/ZnCl2            

2. CH3-CH2-CH3-CH2 Cl2/UV light

3. C2H5OH +NaCl           

4. CH3COOAg + Br2/CCl4           

 

Subtopic:  Introduction and Physical Properties |
 61%
From NCERT
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In order to prepare 1-chloropropane, which of the following reactants can be employed?
(1) Propane and HCl in the presence of peroxide

(2) Propene and Cl2 followed by treatment with aq. KOH

(3) Propanol-1 and SOCl2/pyridine

(4) Any of the above can be used

Subtopic:  Mechanism of Reactions |
 62%
From NCERT
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Which of the following molecules would have a carbon-halogen bond most susceptible to nucleophilic substitution ?

(1) 2-Fluorobutane

(2) 2-Chlorobutane

(3) 2-Bromobutane

(4) 2-Iodobutane

Subtopic:  Mechanism of Reactions |
 72%
From NCERT
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When benzyl chloride is treated with ethanolic KCN, the major product formed is:-
(1) benzyl ethyl ether

(2) benzyl alcohol

(3) benzyl cyanide

(4) benzyl isocyanide

Subtopic:  Mechanism of Reactions |
 81%
From NCERT
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Grignard reagent shows addition on:

1. >C=O

2. -CN

3. >C=S

4. all of these

Subtopic:  Introduction and Physical Properties |
 83%
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Pick up the correct statement about alkyl halides:-

1. They show H-bonding.

2. They are soluble in water.

3. They are soluble in organic solvents.

4. They do not contain any polar bond.

Subtopic:  Introduction and Physical Properties |
 74%
From NCERT
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Chlorination of CS2 gives:

(1) CCl4

(2) CS2Cl2

(3) CH4

(4) CHCl3

Subtopic:  Iodoform, Freons & DDT |
 51%
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