Preparation, Structure and Stability of Reaction Intermediates
« Previous Topic: Organic Reaction Mechanism Next Topic: Qualitative Analysis of Organic Compounds »
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317453 Among the following the true property about
supporting img

1 it is non - planar
2 its \(\mathrm{C}^{+}\)and \(\mathrm{sp}^{2}\)-hybridised
3 an electrophile can attack on its \(\mathrm{C}^{+}\)
4 it does not undergo hydrolysis
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317454 The correct structure of intermediate ' \({\rm{X}}\) ' in the following reaction is
\(\mathrm{CH}_{3} \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_{3}+\mathrm{H}^{+} \stackrel{\text { heat }}{\longrightarrow} \mathrm{X}+\mathrm{H}_{2} \mathrm{O}\)

1 \(\mathrm{H}_{3} \mathrm{CCH}=\mathrm{CH}_{2}\)
2 \(\mathrm{H}_{3} \mathrm{C}-\stackrel{\oplus}{\mathrm{C}} \mathrm{H}-\mathrm{CH}_{3}\)
3 \(\mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\stackrel{\oplus}{\mathrm{C}} \mathrm{H}_{2}\)
4 \(\mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\mathrm{CH}-\mathrm{CH}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317455 Consider the following carbocations
supporting img
The order of stability of given carbocations is

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

317456 Assertion :
Allyl and benzyl carbonium ions are more stable than propyl carbonium ion.
Reason :
Electron releasing group stabilises carbonium ion.

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.
AIIMS - 2012
NEET DIGITAL LIBRARY
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317453 Among the following the true property about
supporting img

1 it is non - planar
2 its \(\mathrm{C}^{+}\)and \(\mathrm{sp}^{2}\)-hybridised
3 an electrophile can attack on its \(\mathrm{C}^{+}\)
4 it does not undergo hydrolysis
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317454 The correct structure of intermediate ' \({\rm{X}}\) ' in the following reaction is
\(\mathrm{CH}_{3} \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_{3}+\mathrm{H}^{+} \stackrel{\text { heat }}{\longrightarrow} \mathrm{X}+\mathrm{H}_{2} \mathrm{O}\)

1 \(\mathrm{H}_{3} \mathrm{CCH}=\mathrm{CH}_{2}\)
2 \(\mathrm{H}_{3} \mathrm{C}-\stackrel{\oplus}{\mathrm{C}} \mathrm{H}-\mathrm{CH}_{3}\)
3 \(\mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\stackrel{\oplus}{\mathrm{C}} \mathrm{H}_{2}\)
4 \(\mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\mathrm{CH}-\mathrm{CH}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317455 Consider the following carbocations
supporting img
The order of stability of given carbocations is

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

317456 Assertion :
Allyl and benzyl carbonium ions are more stable than propyl carbonium ion.
Reason :
Electron releasing group stabilises carbonium ion.

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.
AIIMS - 2012
Join With Us for More Updates
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317453 Among the following the true property about
supporting img

1 it is non - planar
2 its \(\mathrm{C}^{+}\)and \(\mathrm{sp}^{2}\)-hybridised
3 an electrophile can attack on its \(\mathrm{C}^{+}\)
4 it does not undergo hydrolysis
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317454 The correct structure of intermediate ' \({\rm{X}}\) ' in the following reaction is
\(\mathrm{CH}_{3} \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_{3}+\mathrm{H}^{+} \stackrel{\text { heat }}{\longrightarrow} \mathrm{X}+\mathrm{H}_{2} \mathrm{O}\)

1 \(\mathrm{H}_{3} \mathrm{CCH}=\mathrm{CH}_{2}\)
2 \(\mathrm{H}_{3} \mathrm{C}-\stackrel{\oplus}{\mathrm{C}} \mathrm{H}-\mathrm{CH}_{3}\)
3 \(\mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\stackrel{\oplus}{\mathrm{C}} \mathrm{H}_{2}\)
4 \(\mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\mathrm{CH}-\mathrm{CH}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317455 Consider the following carbocations
supporting img
The order of stability of given carbocations is

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

317456 Assertion :
Allyl and benzyl carbonium ions are more stable than propyl carbonium ion.
Reason :
Electron releasing group stabilises carbonium ion.

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.
AIIMS - 2012
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317453 Among the following the true property about
supporting img

1 it is non - planar
2 its \(\mathrm{C}^{+}\)and \(\mathrm{sp}^{2}\)-hybridised
3 an electrophile can attack on its \(\mathrm{C}^{+}\)
4 it does not undergo hydrolysis
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317454 The correct structure of intermediate ' \({\rm{X}}\) ' in the following reaction is
\(\mathrm{CH}_{3} \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_{3}+\mathrm{H}^{+} \stackrel{\text { heat }}{\longrightarrow} \mathrm{X}+\mathrm{H}_{2} \mathrm{O}\)

1 \(\mathrm{H}_{3} \mathrm{CCH}=\mathrm{CH}_{2}\)
2 \(\mathrm{H}_{3} \mathrm{C}-\stackrel{\oplus}{\mathrm{C}} \mathrm{H}-\mathrm{CH}_{3}\)
3 \(\mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\stackrel{\oplus}{\mathrm{C}} \mathrm{H}_{2}\)
4 \(\mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\mathrm{CH}-\mathrm{CH}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317455 Consider the following carbocations
supporting img
The order of stability of given carbocations is

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

317456 Assertion :
Allyl and benzyl carbonium ions are more stable than propyl carbonium ion.
Reason :
Electron releasing group stabilises carbonium ion.

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.
AIIMS - 2012
NEET DIGITAL LIBRARY