Electron Displacement Effects or Polar Effects
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317282 Increasing order of acidic strength of the following compounds is
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1 I \( < \) III \( < \) I \( < \) IV
2 II \(>\) I \(>\) IV \(>\) III
3 I \(>\) III \(>\) IV \(>\) II
4 II \(>\) IV \(>\) I \(>\) III
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317283 The possible resonance structures for \({\text{C}}{{\text{H}}_{\text{3}}} - \mathop {\text{O}}\limits_{..}^{..} - \mathop {\text{C}}\limits^{\text{ + }} {{\text{H}}_{\text{2}}}\) are given. Predict the structure which is more stable. \(\begin{array}{*{20}{c}}{{\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - \mathop {\rm{C}}\limits^ \oplus {{\rm{H}}_{\rm{2}}}}&{{\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{C}}{{\rm{H}}_{\rm{2}}}}\\{\rm{I}}&{{\rm{II}}}\end{array}\)

1 I only
2 II only
3 Both I and II
4 Can't be predicted
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317284 Assertion :
Cycloheptatrienyl cation is aromatic.
Reason :
Aromatic molecules have high degree of thermodynamic stability.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317285 Compare the relative stability of the following resonating structures:
(A) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - {\rm{CH}} = {\rm{CH}} - {\rm{C}} \equiv {\rm{N}}\,;\)
(B) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - {\rm{CH}} = {\rm{CH}} - \mathop {\rm{C}}\limits^ \oplus = \mathop {\rm{N}}\limits^\Theta \)
(C) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{CH}} - \mathop {\rm{C}}\limits^\Theta {\rm{H}} - {\rm{C}} \equiv {\rm{N}}\,;\)
(D) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{CH}} - {\rm{CH}} = {\rm{C}} = \mathop {\rm{N}}\limits^\Theta \)

1 \(\mathrm{A}>\mathrm{B}>\mathrm{C}>\mathrm{D}\)
2 \(\mathrm{A}>\mathrm{C}>\mathrm{D}>\mathrm{B}\)
3 A \(>\) D \(>\) C \(>\) B
4 \(C > {\rm{D}} > {\rm{B}} > {\rm{A}}\)
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317282 Increasing order of acidic strength of the following compounds is
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supporting img

supporting img

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1 I \( < \) III \( < \) I \( < \) IV
2 II \(>\) I \(>\) IV \(>\) III
3 I \(>\) III \(>\) IV \(>\) II
4 II \(>\) IV \(>\) I \(>\) III
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317283 The possible resonance structures for \({\text{C}}{{\text{H}}_{\text{3}}} - \mathop {\text{O}}\limits_{..}^{..} - \mathop {\text{C}}\limits^{\text{ + }} {{\text{H}}_{\text{2}}}\) are given. Predict the structure which is more stable. \(\begin{array}{*{20}{c}}{{\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - \mathop {\rm{C}}\limits^ \oplus {{\rm{H}}_{\rm{2}}}}&{{\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{C}}{{\rm{H}}_{\rm{2}}}}\\{\rm{I}}&{{\rm{II}}}\end{array}\)

1 I only
2 II only
3 Both I and II
4 Can't be predicted
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317284 Assertion :
Cycloheptatrienyl cation is aromatic.
Reason :
Aromatic molecules have high degree of thermodynamic stability.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317285 Compare the relative stability of the following resonating structures:
(A) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - {\rm{CH}} = {\rm{CH}} - {\rm{C}} \equiv {\rm{N}}\,;\)
(B) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - {\rm{CH}} = {\rm{CH}} - \mathop {\rm{C}}\limits^ \oplus = \mathop {\rm{N}}\limits^\Theta \)
(C) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{CH}} - \mathop {\rm{C}}\limits^\Theta {\rm{H}} - {\rm{C}} \equiv {\rm{N}}\,;\)
(D) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{CH}} - {\rm{CH}} = {\rm{C}} = \mathop {\rm{N}}\limits^\Theta \)

1 \(\mathrm{A}>\mathrm{B}>\mathrm{C}>\mathrm{D}\)
2 \(\mathrm{A}>\mathrm{C}>\mathrm{D}>\mathrm{B}\)
3 A \(>\) D \(>\) C \(>\) B
4 \(C > {\rm{D}} > {\rm{B}} > {\rm{A}}\)
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317282 Increasing order of acidic strength of the following compounds is
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supporting img

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1 I \( < \) III \( < \) I \( < \) IV
2 II \(>\) I \(>\) IV \(>\) III
3 I \(>\) III \(>\) IV \(>\) II
4 II \(>\) IV \(>\) I \(>\) III
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317283 The possible resonance structures for \({\text{C}}{{\text{H}}_{\text{3}}} - \mathop {\text{O}}\limits_{..}^{..} - \mathop {\text{C}}\limits^{\text{ + }} {{\text{H}}_{\text{2}}}\) are given. Predict the structure which is more stable. \(\begin{array}{*{20}{c}}{{\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - \mathop {\rm{C}}\limits^ \oplus {{\rm{H}}_{\rm{2}}}}&{{\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{C}}{{\rm{H}}_{\rm{2}}}}\\{\rm{I}}&{{\rm{II}}}\end{array}\)

1 I only
2 II only
3 Both I and II
4 Can't be predicted
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317284 Assertion :
Cycloheptatrienyl cation is aromatic.
Reason :
Aromatic molecules have high degree of thermodynamic stability.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317285 Compare the relative stability of the following resonating structures:
(A) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - {\rm{CH}} = {\rm{CH}} - {\rm{C}} \equiv {\rm{N}}\,;\)
(B) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - {\rm{CH}} = {\rm{CH}} - \mathop {\rm{C}}\limits^ \oplus = \mathop {\rm{N}}\limits^\Theta \)
(C) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{CH}} - \mathop {\rm{C}}\limits^\Theta {\rm{H}} - {\rm{C}} \equiv {\rm{N}}\,;\)
(D) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{CH}} - {\rm{CH}} = {\rm{C}} = \mathop {\rm{N}}\limits^\Theta \)

1 \(\mathrm{A}>\mathrm{B}>\mathrm{C}>\mathrm{D}\)
2 \(\mathrm{A}>\mathrm{C}>\mathrm{D}>\mathrm{B}\)
3 A \(>\) D \(>\) C \(>\) B
4 \(C > {\rm{D}} > {\rm{B}} > {\rm{A}}\)
For More Updates join with Us
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317282 Increasing order of acidic strength of the following compounds is
supporting img

supporting img

supporting img

supporting img

1 I \( < \) III \( < \) I \( < \) IV
2 II \(>\) I \(>\) IV \(>\) III
3 I \(>\) III \(>\) IV \(>\) II
4 II \(>\) IV \(>\) I \(>\) III
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317283 The possible resonance structures for \({\text{C}}{{\text{H}}_{\text{3}}} - \mathop {\text{O}}\limits_{..}^{..} - \mathop {\text{C}}\limits^{\text{ + }} {{\text{H}}_{\text{2}}}\) are given. Predict the structure which is more stable. \(\begin{array}{*{20}{c}}{{\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - \mathop {\rm{C}}\limits^ \oplus {{\rm{H}}_{\rm{2}}}}&{{\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{C}}{{\rm{H}}_{\rm{2}}}}\\{\rm{I}}&{{\rm{II}}}\end{array}\)

1 I only
2 II only
3 Both I and II
4 Can't be predicted
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317284 Assertion :
Cycloheptatrienyl cation is aromatic.
Reason :
Aromatic molecules have high degree of thermodynamic stability.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317285 Compare the relative stability of the following resonating structures:
(A) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - {\rm{CH}} = {\rm{CH}} - {\rm{C}} \equiv {\rm{N}}\,;\)
(B) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - {\rm{O}} - {\rm{CH}} = {\rm{CH}} - \mathop {\rm{C}}\limits^ \oplus = \mathop {\rm{N}}\limits^\Theta \)
(C) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{CH}} - \mathop {\rm{C}}\limits^\Theta {\rm{H}} - {\rm{C}} \equiv {\rm{N}}\,;\)
(D) \({\rm{C}}{{\rm{H}}_{\rm{3}}} - \mathop {\rm{O}}\limits^ \oplus = {\rm{CH}} - {\rm{CH}} = {\rm{C}} = \mathop {\rm{N}}\limits^\Theta \)

1 \(\mathrm{A}>\mathrm{B}>\mathrm{C}>\mathrm{D}\)
2 \(\mathrm{A}>\mathrm{C}>\mathrm{D}>\mathrm{B}\)
3 A \(>\) D \(>\) C \(>\) B
4 \(C > {\rm{D}} > {\rm{B}} > {\rm{A}}\)
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