The molecule among the following with the maximum reactivity towards SN2 reaction is:

1. R3CX

2. RCH2X

3. R2CHX

4. CH3X

Subtopic:  Introduction and Physical Properties | Chemical Properties |
 83%
From NCERT
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What is the correct order of boiling points for alkyl halides?

1. C2H5Cl > C2H5Br > C2H5I

2. C2H5I > C2H5Br > C2H5Cl  

3. C2H5I > C2H5Cl > C2H5Br

4. C2H5Br > C2H5I > C2H5Cl

Subtopic:  Introduction and Physical Properties |
 72%
From NCERT
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Substitution of chloride takes place at higher temperatures in 

1. CH2=CH2

2. CH3CH=CH2

3. CHCH

4. None of the above

Subtopic:  Chemical Properties |
From NCERT
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Chlorobenzene on heating with NH3 under pressure is the presence of cuprous chloride gives

1. nitrobenzene

2. aniline

3. benzamide

4. o- and p-chloroaminobenzene

Subtopic:  Chemical Properties |
 59%
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Which halide among the following exhibits the highest reactivity in an SN1 reaction?

1. sec-Butyl chloride

2. tert-Butyl chloride

3. n-Butyl chloride

4. Allyl chloride

Subtopic:  Mechanism of Reactions |
 75%
From NCERT
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The number of dibromo derivatives of propane are

1. 5

2. 4

3. 3

4. 2

Subtopic:  Chemical Properties |
 63%
From NCERT
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1,1-dibromorethane when heated with zinc dust produces

1. Ethyl bromide

2. Ethene

3. Vinyl bromide

4. 2-Butene

Subtopic:  Chemical Properties |
From NCERT
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 The decreasing order of dipole moment of methyl halides is represented by:

1. \(\mathrm{CH}_3 \mathrm{Cl}, \mathrm{CH}_3 \mathrm{Br}, \mathrm{CH}_3 \mathrm{~F} \)
2. \(\mathrm{CH}_3 \mathrm{Cl}, \mathrm{CH}_3 \mathrm{~F}, \mathrm{CH}_3 \mathrm{Br} \)
3. \(\mathrm{CH}_3 \mathrm{Br}, \mathrm{CH}_3 \mathrm{Cl}, \mathrm{CH}_3 \mathrm{~F} \)
4. \(\mathrm{CH}_3 \mathrm{Br}, \mathrm{CH}_3 \mathrm{~F}, \mathrm{CH}_3 \mathrm{Cl} \)

Subtopic:  Introduction and Physical Properties |
 64%
From NCERT
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Which of the following is the most suitable solvent for Mg metal to react with alkyl bromide?
1. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{OCH}_3 \)
2. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{~N}\left(\mathrm{CH}_3\right)_2 \)
3. \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{OC}_2 \mathrm{H}_5\)
4. Equally in all three given above

Subtopic:  Introduction and Physical Properties | Chemical Properties |
 54%
From NCERT
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Which of the following shows geometrical isomerism?

1.  2.
3. 4.  
Subtopic:  Introduction and Physical Properties | Isomerism & Chirality |
 71%
From NCERT
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