01. Resonance
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GENERAL ORGANIC CHEMISTRY

231640 Consider the following resonance structures:
original image
Which of the above resonance structures is the most important contributor to the resonance hybrid?

1 I
2 II
3 III
4 IV
SCRA 2010
GENERAL ORGANIC CHEMISTRY

231642 Which of the following statements are correct?
(i) Inductive effect \& resonance effect is possible in chlorobenzene
(ii) Resonance effect dominates over inductive effect in Anisole
(iii) p-nitrobenzoic acid is less acidic than mnitrobenzoic acid
(iv) Diphenylamine is more basic than aniline

1 (i), (ii), (iii) \& (iv)
2 (i) \& (ii) only
3 (iii) \& (iv) only
4 (i) \& (iii) only
AP EAPCET 23-08-2021 Shift-I
GENERAL ORGANIC CHEMISTRY

231643 The most reactive molecules towards $S_{N} 1$ reaction is
original image

1 (I), (IV) and (VI)
2 (I), (II) and (IV)
3 (II), (III) and (V)
4 (IV), (V) and (VI)
05.08.2021 Shift-II]**
GENERAL ORGANIC CHEMISTRY

231644 Which of the following reactions produce ethyl cyanide as a major product ?
1. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{NOH} \xrightarrow{\left(\mathrm{CH}_2 \mathrm{O}\right)_2 \mathrm{O}}\)
2. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\text { Ethamolic } \mathrm{KCN}}\)
3. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\text { Ethmolic } \mathrm{KCN}}\)
4. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CON}\left(\mathrm{CH}_3\right)_2 \xrightarrow[\text { Pyridine, } 70^{\circ} \mathrm{C}]{\mathrm{C}_6 \mathrm{H}_5 \mathrm{SO}_2 \mathrm{Cl}}\)
original image

1 1,3
2 2,3
3 3,4
4 1,2
AP EAMCET (Engg.) 17.09.2020
GENERAL ORGANIC CHEMISTRY

231645 The correct order of increasing stabilities of the following carbocations.
(i) Allyl carbocation
(ii) Ethyl carbocation
(iii) Benzyl carbocation
(iv) Isobutyl carbocation
Option:

1 (iv) $<$ (iii) $<$ (ii) $<$ (i)
2 (iv) $<$ (ii) $<$ (i) $<$ (iii)
3 (ii) $<$ (iv) $<$ (i) $<$ (iii)
4 (ii) $<$ (iv) $<$ (iii) $<$ (i)
AP EAPCET 25.08.2021
NEET DIGITAL LIBRARY
GENERAL ORGANIC CHEMISTRY

231640 Consider the following resonance structures:
original image
Which of the above resonance structures is the most important contributor to the resonance hybrid?

1 I
2 II
3 III
4 IV
SCRA 2010
GENERAL ORGANIC CHEMISTRY

231642 Which of the following statements are correct?
(i) Inductive effect \& resonance effect is possible in chlorobenzene
(ii) Resonance effect dominates over inductive effect in Anisole
(iii) p-nitrobenzoic acid is less acidic than mnitrobenzoic acid
(iv) Diphenylamine is more basic than aniline

1 (i), (ii), (iii) \& (iv)
2 (i) \& (ii) only
3 (iii) \& (iv) only
4 (i) \& (iii) only
AP EAPCET 23-08-2021 Shift-I
GENERAL ORGANIC CHEMISTRY

231643 The most reactive molecules towards $S_{N} 1$ reaction is
original image

1 (I), (IV) and (VI)
2 (I), (II) and (IV)
3 (II), (III) and (V)
4 (IV), (V) and (VI)
05.08.2021 Shift-II]**
GENERAL ORGANIC CHEMISTRY

231644 Which of the following reactions produce ethyl cyanide as a major product ?
1. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{NOH} \xrightarrow{\left(\mathrm{CH}_2 \mathrm{O}\right)_2 \mathrm{O}}\)
2. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\text { Ethamolic } \mathrm{KCN}}\)
3. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\text { Ethmolic } \mathrm{KCN}}\)
4. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CON}\left(\mathrm{CH}_3\right)_2 \xrightarrow[\text { Pyridine, } 70^{\circ} \mathrm{C}]{\mathrm{C}_6 \mathrm{H}_5 \mathrm{SO}_2 \mathrm{Cl}}\)
original image

1 1,3
2 2,3
3 3,4
4 1,2
AP EAMCET (Engg.) 17.09.2020
GENERAL ORGANIC CHEMISTRY

231645 The correct order of increasing stabilities of the following carbocations.
(i) Allyl carbocation
(ii) Ethyl carbocation
(iii) Benzyl carbocation
(iv) Isobutyl carbocation
Option:

1 (iv) $<$ (iii) $<$ (ii) $<$ (i)
2 (iv) $<$ (ii) $<$ (i) $<$ (iii)
3 (ii) $<$ (iv) $<$ (i) $<$ (iii)
4 (ii) $<$ (iv) $<$ (iii) $<$ (i)
AP EAPCET 25.08.2021
Join With Us for More Updates
GENERAL ORGANIC CHEMISTRY

231640 Consider the following resonance structures:
original image
Which of the above resonance structures is the most important contributor to the resonance hybrid?

1 I
2 II
3 III
4 IV
SCRA 2010
GENERAL ORGANIC CHEMISTRY

231642 Which of the following statements are correct?
(i) Inductive effect \& resonance effect is possible in chlorobenzene
(ii) Resonance effect dominates over inductive effect in Anisole
(iii) p-nitrobenzoic acid is less acidic than mnitrobenzoic acid
(iv) Diphenylamine is more basic than aniline

1 (i), (ii), (iii) \& (iv)
2 (i) \& (ii) only
3 (iii) \& (iv) only
4 (i) \& (iii) only
AP EAPCET 23-08-2021 Shift-I
GENERAL ORGANIC CHEMISTRY

231643 The most reactive molecules towards $S_{N} 1$ reaction is
original image

1 (I), (IV) and (VI)
2 (I), (II) and (IV)
3 (II), (III) and (V)
4 (IV), (V) and (VI)
05.08.2021 Shift-II]**
GENERAL ORGANIC CHEMISTRY

231644 Which of the following reactions produce ethyl cyanide as a major product ?
1. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{NOH} \xrightarrow{\left(\mathrm{CH}_2 \mathrm{O}\right)_2 \mathrm{O}}\)
2. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\text { Ethamolic } \mathrm{KCN}}\)
3. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\text { Ethmolic } \mathrm{KCN}}\)
4. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CON}\left(\mathrm{CH}_3\right)_2 \xrightarrow[\text { Pyridine, } 70^{\circ} \mathrm{C}]{\mathrm{C}_6 \mathrm{H}_5 \mathrm{SO}_2 \mathrm{Cl}}\)
original image

1 1,3
2 2,3
3 3,4
4 1,2
AP EAMCET (Engg.) 17.09.2020
GENERAL ORGANIC CHEMISTRY

231645 The correct order of increasing stabilities of the following carbocations.
(i) Allyl carbocation
(ii) Ethyl carbocation
(iii) Benzyl carbocation
(iv) Isobutyl carbocation
Option:

1 (iv) $<$ (iii) $<$ (ii) $<$ (i)
2 (iv) $<$ (ii) $<$ (i) $<$ (iii)
3 (ii) $<$ (iv) $<$ (i) $<$ (iii)
4 (ii) $<$ (iv) $<$ (iii) $<$ (i)
AP EAPCET 25.08.2021
For More Updates join with Us
GENERAL ORGANIC CHEMISTRY

231640 Consider the following resonance structures:
original image
Which of the above resonance structures is the most important contributor to the resonance hybrid?

1 I
2 II
3 III
4 IV
SCRA 2010
GENERAL ORGANIC CHEMISTRY

231642 Which of the following statements are correct?
(i) Inductive effect \& resonance effect is possible in chlorobenzene
(ii) Resonance effect dominates over inductive effect in Anisole
(iii) p-nitrobenzoic acid is less acidic than mnitrobenzoic acid
(iv) Diphenylamine is more basic than aniline

1 (i), (ii), (iii) \& (iv)
2 (i) \& (ii) only
3 (iii) \& (iv) only
4 (i) \& (iii) only
AP EAPCET 23-08-2021 Shift-I
GENERAL ORGANIC CHEMISTRY

231643 The most reactive molecules towards $S_{N} 1$ reaction is
original image

1 (I), (IV) and (VI)
2 (I), (II) and (IV)
3 (II), (III) and (V)
4 (IV), (V) and (VI)
05.08.2021 Shift-II]**
GENERAL ORGANIC CHEMISTRY

231644 Which of the following reactions produce ethyl cyanide as a major product ?
1. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{NOH} \xrightarrow{\left(\mathrm{CH}_2 \mathrm{O}\right)_2 \mathrm{O}}\)
2. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\text { Ethamolic } \mathrm{KCN}}\)
3. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\text { Ethmolic } \mathrm{KCN}}\)
4. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CON}\left(\mathrm{CH}_3\right)_2 \xrightarrow[\text { Pyridine, } 70^{\circ} \mathrm{C}]{\mathrm{C}_6 \mathrm{H}_5 \mathrm{SO}_2 \mathrm{Cl}}\)
original image

1 1,3
2 2,3
3 3,4
4 1,2
AP EAMCET (Engg.) 17.09.2020
GENERAL ORGANIC CHEMISTRY

231645 The correct order of increasing stabilities of the following carbocations.
(i) Allyl carbocation
(ii) Ethyl carbocation
(iii) Benzyl carbocation
(iv) Isobutyl carbocation
Option:

1 (iv) $<$ (iii) $<$ (ii) $<$ (i)
2 (iv) $<$ (ii) $<$ (i) $<$ (iii)
3 (ii) $<$ (iv) $<$ (i) $<$ (iii)
4 (ii) $<$ (iv) $<$ (iii) $<$ (i)
AP EAPCET 25.08.2021
NEET DIGITAL LIBRARY
GENERAL ORGANIC CHEMISTRY

231640 Consider the following resonance structures:
original image
Which of the above resonance structures is the most important contributor to the resonance hybrid?

1 I
2 II
3 III
4 IV
SCRA 2010
GENERAL ORGANIC CHEMISTRY

231642 Which of the following statements are correct?
(i) Inductive effect \& resonance effect is possible in chlorobenzene
(ii) Resonance effect dominates over inductive effect in Anisole
(iii) p-nitrobenzoic acid is less acidic than mnitrobenzoic acid
(iv) Diphenylamine is more basic than aniline

1 (i), (ii), (iii) \& (iv)
2 (i) \& (ii) only
3 (iii) \& (iv) only
4 (i) \& (iii) only
AP EAPCET 23-08-2021 Shift-I
GENERAL ORGANIC CHEMISTRY

231643 The most reactive molecules towards $S_{N} 1$ reaction is
original image

1 (I), (IV) and (VI)
2 (I), (II) and (IV)
3 (II), (III) and (V)
4 (IV), (V) and (VI)
05.08.2021 Shift-II]**
GENERAL ORGANIC CHEMISTRY

231644 Which of the following reactions produce ethyl cyanide as a major product ?
1. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{NOH} \xrightarrow{\left(\mathrm{CH}_2 \mathrm{O}\right)_2 \mathrm{O}}\)
2. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\text { Ethamolic } \mathrm{KCN}}\)
3. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\text { Ethmolic } \mathrm{KCN}}\)
4. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CON}\left(\mathrm{CH}_3\right)_2 \xrightarrow[\text { Pyridine, } 70^{\circ} \mathrm{C}]{\mathrm{C}_6 \mathrm{H}_5 \mathrm{SO}_2 \mathrm{Cl}}\)
original image

1 1,3
2 2,3
3 3,4
4 1,2
AP EAMCET (Engg.) 17.09.2020
GENERAL ORGANIC CHEMISTRY

231645 The correct order of increasing stabilities of the following carbocations.
(i) Allyl carbocation
(ii) Ethyl carbocation
(iii) Benzyl carbocation
(iv) Isobutyl carbocation
Option:

1 (iv) $<$ (iii) $<$ (ii) $<$ (i)
2 (iv) $<$ (ii) $<$ (i) $<$ (iii)
3 (ii) $<$ (iv) $<$ (i) $<$ (iii)
4 (ii) $<$ (iv) $<$ (iii) $<$ (i)
AP EAPCET 25.08.2021