Electron Displacement Effects Past Year (1998 - 2005) MCQs Organic Chemistry - Some Basic Principles And Techniques Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The correct order of –I effect is:

1. -NR₃⁺ > -OR > -F

2. -F > -NR₃⁺ > -OR

3.-NR₃⁺ > -F > -OR

4. -OR > -NR₃⁺ > -F

Subtopic: Electron Displacement Effects |

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Polarisation of electrons in acrolein may be written as:

1. $\overset{+ δ}{C} H_{2} = C H - \overset{- δ}{C} H O$

2. $\overset{- δ}{C} H_{2} = C H - \overset{+ δ}{C} H O$

3. $\overset{- δ}{C} H_{2} = C H - \overset{}{C} \overset{+ δ}{H} O$

4. $\overset{+ δ}{C} H_{2} = C H - C H \overset{- δ}{O}$

Subtopic: Electron Displacement Effects |

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The correct order of stability is:

1.	1–butene > Trans–2–butene > Cis–2–butene
2.	Trans–2–butene > 1–butene > Cis–2–butene
3.	Trans–2–butene > Cis–2-butene > 1–butene
4.	Cis-2–butene > Trans–2–butene > 1–butene

Subtopic: Electron Displacement Effects |

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Which amongst the following is the most stable carbocation:

1.		2.
3.		4.

Subtopic: Electron Displacement Effects | Reaction Intermediates ; Preparation & Properties |

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