Preparation, Structure and Stability of Reaction Intermediates
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317457 Assertion :
supporting img
Reason :
It follows with the formation of more stable carbocation.

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

317458 Which one of the following species is most stable?

1 \(\mathrm{p}-\mathrm{O}_{2} \mathrm{~N}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
2 \(\mathrm{p}-\mathrm{CH}_{3} \mathrm{O}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
3 \(\mathrm{p}-\mathrm{Cl}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317459 Which among the following carbocation is most reactive?

1 \(\mathrm{CH}_{3}^{+}\)
2 \(\mathrm{CH}_{3}-\mathrm{CH}_{2}^{+}\)
3 \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}^{+}\)
4 \(\left(\mathrm{CH}_{3}\right)_{3} \mathrm{C}^{+}\)
MHTCET - 2020
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317460 Among the following the most stable free radical is.

1 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{H}_{2}\)
2 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{HCH}_{3}\)
3 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{HC}_{6} \mathrm{H}_{5}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \dot{\mathrm{C}} \mathrm{H}_{2}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317477 The false statements among the following are
(i) A primary carbocations is less stable than a tertiary carbocation
(ii) A secondary propyl carbocation is less stable than allyl carbocation
(iii) A tertiary free radical is more stable than a primary free radical
(iv) An isopropyl carbanion is more stable than ethyl carbanion

1 (i) and (ii)
2 (ii) only
3 (i) and (iv)
4 (iv) only
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317457 Assertion :
supporting img
Reason :
It follows with the formation of more stable carbocation.

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

317458 Which one of the following species is most stable?

1 \(\mathrm{p}-\mathrm{O}_{2} \mathrm{~N}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
2 \(\mathrm{p}-\mathrm{CH}_{3} \mathrm{O}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
3 \(\mathrm{p}-\mathrm{Cl}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317459 Which among the following carbocation is most reactive?

1 \(\mathrm{CH}_{3}^{+}\)
2 \(\mathrm{CH}_{3}-\mathrm{CH}_{2}^{+}\)
3 \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}^{+}\)
4 \(\left(\mathrm{CH}_{3}\right)_{3} \mathrm{C}^{+}\)
MHTCET - 2020
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317460 Among the following the most stable free radical is.

1 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{H}_{2}\)
2 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{HCH}_{3}\)
3 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{HC}_{6} \mathrm{H}_{5}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \dot{\mathrm{C}} \mathrm{H}_{2}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317477 The false statements among the following are
(i) A primary carbocations is less stable than a tertiary carbocation
(ii) A secondary propyl carbocation is less stable than allyl carbocation
(iii) A tertiary free radical is more stable than a primary free radical
(iv) An isopropyl carbanion is more stable than ethyl carbanion

1 (i) and (ii)
2 (ii) only
3 (i) and (iv)
4 (iv) only
For More Updates join with Us
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317457 Assertion :
supporting img
Reason :
It follows with the formation of more stable carbocation.

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

317458 Which one of the following species is most stable?

1 \(\mathrm{p}-\mathrm{O}_{2} \mathrm{~N}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
2 \(\mathrm{p}-\mathrm{CH}_{3} \mathrm{O}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
3 \(\mathrm{p}-\mathrm{Cl}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317459 Which among the following carbocation is most reactive?

1 \(\mathrm{CH}_{3}^{+}\)
2 \(\mathrm{CH}_{3}-\mathrm{CH}_{2}^{+}\)
3 \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}^{+}\)
4 \(\left(\mathrm{CH}_{3}\right)_{3} \mathrm{C}^{+}\)
MHTCET - 2020
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317460 Among the following the most stable free radical is.

1 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{H}_{2}\)
2 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{HCH}_{3}\)
3 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{HC}_{6} \mathrm{H}_{5}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \dot{\mathrm{C}} \mathrm{H}_{2}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317477 The false statements among the following are
(i) A primary carbocations is less stable than a tertiary carbocation
(ii) A secondary propyl carbocation is less stable than allyl carbocation
(iii) A tertiary free radical is more stable than a primary free radical
(iv) An isopropyl carbanion is more stable than ethyl carbanion

1 (i) and (ii)
2 (ii) only
3 (i) and (iv)
4 (iv) only
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317457 Assertion :
supporting img
Reason :
It follows with the formation of more stable carbocation.

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

317458 Which one of the following species is most stable?

1 \(\mathrm{p}-\mathrm{O}_{2} \mathrm{~N}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
2 \(\mathrm{p}-\mathrm{CH}_{3} \mathrm{O}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
3 \(\mathrm{p}-\mathrm{Cl}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317459 Which among the following carbocation is most reactive?

1 \(\mathrm{CH}_{3}^{+}\)
2 \(\mathrm{CH}_{3}-\mathrm{CH}_{2}^{+}\)
3 \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}^{+}\)
4 \(\left(\mathrm{CH}_{3}\right)_{3} \mathrm{C}^{+}\)
MHTCET - 2020
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317460 Among the following the most stable free radical is.

1 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{H}_{2}\)
2 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{HCH}_{3}\)
3 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{HC}_{6} \mathrm{H}_{5}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \dot{\mathrm{C}} \mathrm{H}_{2}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317477 The false statements among the following are
(i) A primary carbocations is less stable than a tertiary carbocation
(ii) A secondary propyl carbocation is less stable than allyl carbocation
(iii) A tertiary free radical is more stable than a primary free radical
(iv) An isopropyl carbanion is more stable than ethyl carbanion

1 (i) and (ii)
2 (ii) only
3 (i) and (iv)
4 (iv) only
Join With Us for More Updates
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317457 Assertion :
supporting img
Reason :
It follows with the formation of more stable carbocation.

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

317458 Which one of the following species is most stable?

1 \(\mathrm{p}-\mathrm{O}_{2} \mathrm{~N}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
2 \(\mathrm{p}-\mathrm{CH}_{3} \mathrm{O}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
3 \(\mathrm{p}-\mathrm{Cl}-\mathrm{C}_{6} \mathrm{H}_{4}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317459 Which among the following carbocation is most reactive?

1 \(\mathrm{CH}_{3}^{+}\)
2 \(\mathrm{CH}_{3}-\mathrm{CH}_{2}^{+}\)
3 \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}^{+}\)
4 \(\left(\mathrm{CH}_{3}\right)_{3} \mathrm{C}^{+}\)
MHTCET - 2020
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317460 Among the following the most stable free radical is.

1 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{H}_{2}\)
2 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{HCH}_{3}\)
3 \(\mathrm{CH}_{3} \dot{\mathrm{C}} \mathrm{HC}_{6} \mathrm{H}_{5}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \dot{\mathrm{C}} \mathrm{H}_{2}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317477 The false statements among the following are
(i) A primary carbocations is less stable than a tertiary carbocation
(ii) A secondary propyl carbocation is less stable than allyl carbocation
(iii) A tertiary free radical is more stable than a primary free radical
(iv) An isopropyl carbanion is more stable than ethyl carbanion

1 (i) and (ii)
2 (ii) only
3 (i) and (iv)
4 (iv) only