Which of the following is the most stable carbonium ion?

1. 
2. 
3. 
4. 

Subtopic:  Reaction Intermediates ; Preparation & Properties |
 62%
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Which of the following will have minimum C-Cl bond length?

1. CH3-CH2-Cl       
2. PhCH2-Cl
3. Ph-Cl           
4. CH2=CH-CH2-Cl

Subtopic:  Hybridisation & Structure of Carbon Compounds |
 71%
From NCERT
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The decreasing order of stability is-

1. A > B > C > D
2. D > B > C > A
3. D > C > B > A
4. A > B > D > C

Subtopic:  Reaction Intermediates ; Preparation & Properties |
 75%
From NCERT
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Which among the following is most basic?

1. 

2. 

3. 

4. 

Subtopic:  Acidic & Basic Character |
 71%
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The configuration of given tartaric acid is

1. 2R, 3R         2. 2R, 3S

3. 2S, 3S         4. 2S, 3R

Subtopic:  Stereo Isomers |
 63%
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The IUPAC name of the above-mentioned compound is - 

1. (N-Bromo)-3-methyl-2-oxobutanamide

2. (N-Bromo)-2-oxo-4-methylbutanamide

3. (N-Bromo)-1,2-dioxo-3-methylbutanamine carboxamide

4. (N-Bromo)-1-oxo-2-methylpropane

Subtopic:  Nomenclature |
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Which of the following σ-bonds participate in hyperconjugation?

1. I and II 2. I and V
3. II and IV 4. III and IV
Subtopic:  Electron Displacement Effects |
 76%
From NCERT
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Correct IUPAC name of the compound 

1. 4-(Ethyl methanolyonxy)phenylpropanoate

2. Ethyl 4-propanoyloxybenzenecarboxylate

3. 4-(1-Oxo-2-oxabutyl)phenylpropanoate

4. 1-(1-Oxo-2-oxbutyl)-4-(1-oxopropoxy)benzene

Subtopic:  Nomenclature |
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Correct IUPAC name of the compound  is

(1) 2-Ethyl-3-methylbut-2-ene-1,4-dioic anhydride

(2) 3-Ethyl_2-methylbut-2-enedioic anhydride

(3) 2-Ethyl-3-Methyl-1,4-diketobut-2-enoic anhydride

(4) 2-Ethyl-3-methylcyclopenatanoxy-1,4-dione

Subtopic:  Nomenclature |
 67%
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The IUPAC name of the following compound is

1. 2-(Ethoxycarbonyl)benzoylchloride

2. Ethyl 2-(chlorocarbonyl)benzoate

3. Ethyl 2-(chloromethanoyl)benzoate

4. Methyl 2-(Chlorocarbonyl)benzene carboxylate.

Subtopic:  Nomenclature |
From NCERT
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