carbocations

Q: Which of the following reagent best accomplish this transformation below? CH CH- CEC- A (1st) HCI,…

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Q: CH; +CH CH; I II III IV

A: We have to rank the following given carbocation in order of increasing stability as follows in step…

Q: 6. Rank the alkenes in order of increasing stability. (1 = least stable, 4 = most stable) |

A: Stability of alkene  ∝ Number of hyper conjugative structure                                ∝ Number…

Q: 4. Draw all resonance structures for the carbocation formed by ortho attack of the electrophile…

A: Concept is based on resonance.

Q: Draw the structure of a 1°, 2°, and 3° carbocation, each having molecular formula C4H9+. Rank the…

A: The structure of a 1°, 2°, and 3° carbocation, each having molecular formula C4H9+ is drawn as,

Q: Chemistry Rank the following in order of increasing leaving group ability, putting the worst leaving…

A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions when…

Q: Rank the following carbocations in terms of their energy. A В

A: Carbocation are organic species formed from alkane when hydrogen is lost thus carbon bear positive…

Q: 4. (2 pts) Circle the most stable carbocation and cross out the least stable carbocation among the…

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Q: Rank the following alkenes in terms of increasing stability. (A) (B) (C) OC<A<B OA< C < B OA < B < C…

A: Stability of the alkenes increases on increasing the substitution which means highly substituted…

Q: Rank the following carbocations in order of increasing stability. + CH,CH,CH2CH2CH=CH b.…

A: To rank the given carbocation in the order of increasing stability.

Q: Arrange the following alkyl halide I to IV in the order of decreasing reactivity towards S and SN2…

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Q: 'hich of the following reagent best accomplish this transformation below? -CH=CH- -CEC- A (1st)Br2,…

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Q: Rank the following carbocations in order of increasing stability. CH2 CH3 CH3

A: The carbocation is basically a trivalent carbon whose hybridization is sp2. The higher the…

Q: Rank the following compounds in order of increasing reactivity in a substitution reaction with −CN…

A: The rate of reaction in which each given compound undergoes will depend only on the leaving group…

Q: Rank the following alkenes in order of increasing stability: CH,=C(CH3)CH,CH3, CH2=CHCH(CH3)2, and…

A: Stability of alkene is directly proportional to number of hyperconjugation structures and number of…

Q: CH3 (S) КОН CH3 What is the most likely product of this reaction? CH3 CH3 A H3C H;C H3C CH3 Но CH3…

A: There KOH base is used and this base is strong base but here medium is not mention so that we will…

Q: 2. Arrange these carbocations in order of increasing stability. CH2 CH3 -CH3 C. b. a.

A: Stability of carbocation can be compared using hyperconjugation effect. Carbocations with having…

Q: Given the following reaction sequence: What are the reagents for reaction 6? A) H2/Ni B)…

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Q: (а) -C- -ОН (b) -0-CH3 (c) -CI (d) C-CH3 (е) -NH3

A: Answer:- This question is answered by using the simple concept of effect of substituent on the…

Q: CH3 *CH cH2 || C A. B

A: Ans is C

Q: Rank each of the following carbocations in order of stability (1 = least stable and 4 = most…

A: A carbocation can be defined as a molecule in which a carbon atom has a positive charge and three…

Q: Classify the following carbocations as 1o, 2o, or 3o and b) rank the following carbocations in order…

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Q: Rank the following dienophiles in order of increasing reactivity.

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Q: Which alkyl halide in each of the following pairs will react faster in an SN2 reaction with hydroxyl…

A: From the above diagram, it is clear that SN2 reaction with Hydroxyl ion is much more favourable to…

Q: Classify each reaction as an electrocyclic reaction, a cycloaddition, or a sigmatropic…

A: Electrocyclic Reaction is a type of pericyclic reaction in which one pie bond is converted into one…

Q: carbocations in decreasing order of stability:

A: Stability of carbocation increases by electron releasing groups and decreases by electron…

Q: Rank the following carbocations in order of decreasing stability (most → least): CH₂CHCH₂…

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Q: Arrange the following carbocations in their correct order of stability. 1=Most stable and 4=least…

A: Hyperconjugation is a concept which explains the interactions of the electrons in sigma-bond…

Q: Rank the following carbocations in decreasing order of stability. (CH3)½C-CHCH2 CH;CH CHCH,…

A: The decreasing order of stability of the carbocations are

Q: Give the major elimination product of the following compound. ? (CH3)3COK heat -CH3

A: Hello. Since multiple questions have been posted, the first question shall be only solved in this…

Q: Rank the following carbocations in decreasing stability (most stable to least stable). [Note: your…

A: Carbocations are carbon ions which have a positive charge on it and its hybridization is sp2.

Q: 2. Draw all significant resonance contributors for the following carbocations. CH2 CH3 H2C: CH

A: Resonance contributors are those resonance structures which are formed by the shifting of bonding…

Q: 3. Rank the following carbocations in order of increasing stability. (1 = least stable, 5 = most…

A: The delocalization of lone pair of electrons or pi-bond electrons from one bond or atom to another…

Q: What is the major product of the following (E2) reaction? NaOC(CH3) CH3 HOC(CH3) A В +

A: E2 elimination reaction: A nucleophilic elimination reaction in which the rate-determining step…

Q: Arrange the following alkenes in order of decreasing stability 4 1 2 3

A: Stability of alkenes increase with increase in substitution.  Therefore , more substituted alkene is…

Q: Rank the following alkyl halides in order of their expected SN1 reactivity.

A: In SN1 reaction , the first step is the formation of carbocation intermediate by the loss of leaving…

Q: Rank the following carbocations in terms of their energy. A Highest Energy Lowest Energy

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Q: 7. Rank the following carbocations in order of stability. (1-most stable). ++ 0

A: The reactive intermediate species in which carbon atom forms only three bonds and contains a…

Q: Rank the following carbocations from least to most stable: 1 2 O1<3<2 O 2<1< 3 O1<2<3 O 2<3 <1

A: Carbocation stability depends upon the number of alkyl groups attached to it. The alkyl groups have…

Q: Rank the following alkenes in order of their heats of hydrogenation (1 = lowest, 4 = highest).

A: Note: Heat of hydrogenation is less for more substituted olefins. Heat of hydrogenation if more for…

Q: Rank the following carbocations in order of increasing stability CH3 + + CH3-C CH2-CH3…

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Q: Which reaction provides the best synthesis of 2-methyl-I-butene? (C,Hs);P=CH2 (A) CH3-CH2-C-CH3-…

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Q: Rank the following carbocations in terms of their energy. + A В Highest Energy Lowest Energy

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Q: OH OH OH II III

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Q: 30. List the following carbocations in order of increasing stability.

A: Stability of carbocations follow the order: Methyl &lt; Primary &lt; Secondary &lt; Tertiary &lt;…

Q: -Br A B Br-H-

A: A carbocation is a molecule in which a carbon atom with three bonds has a positive charge.

Q: Which halide is most reactive in SN2 reactions? Select one: CH3 H3C-C-CH2CI CH3 CH3 H3C-CH-CI O…

A: Which halide is most reactive in SN2 reation?

Q: Rank the following carbocations from most stable to least stable:

A: Since more is the resonance of +ve charge on Carbon, more it will be delocalised. Hence more will be…

Q: What would be the arrangement of the alkylhalides below in order of increasing reactivity in an SN1…

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