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Consider the following reaction sequence the product a and b are?
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Consider the following reaction sequence the product a and b are?
Reaction Sequence and Product Identification


Introduction: In the given reaction sequence, we have to identify the products a and b. Let's break down the reaction sequence step by step:


Step 1:

Reaction: CH3CH2MgBr + H2O →

Product: CH3CH2OH + MgBrOH


Explanation:

The reaction involves the addition of water to the Grignard reagent CH3CH2MgBr to form an alcohol and magnesium hydroxide (MgBrOH) as a byproduct.


Step 2:

Reaction: CH3CH2OH + Na →

Product: CH3CH2ONa + 1/2 H2


Explanation:

The alcohol CH3CH2OH is treated with sodium to form sodium ethoxide (CH3CH2ONa) and hydrogen gas.


Step 3:

Reaction: CH3CH2ONa + CH3CH2Br →

Product: (CH3CH2)2CHONa + Br-


Explanation:

Sodium ethoxide (CH3CH2ONa) reacts with ethyl bromide (CH3CH2Br) to form diethyl ether ((CH3CH2)2CHONa) and bromide ion (Br-).


Step 4:

Reaction: (CH3CH2)2CHONa + HCl →

Product: (CH3CH2)2CHOH + NaCl


Explanation:

The diethyl ether ((CH3CH2)2CHONa) is treated with hydrochloric acid (HCl) to form diethyl ether hydrochloride
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Consider the following reaction sequence the product a and b are?
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Both the Cβ–H and Cα–X bonds are breaking in the transition state of E2 reactions. The rate of E2 reaction is of second order. The rate shows primary isotopic (deuterium) effect, i.e. if Cβ–H is replaced by Cβ–D, the rate of reaction decreases sharply. The rate is also corelated with nucleofugality i.e. the ability of leaving group to leave. With a better nucleofuge, the rate of reaction increases. This is called the element effect.The element effect is also observed in E1cB reactions in which the second step is rate determining and elimination of first order w.r.t. conjugate base is observed. For E1cB reaction KH/KD ~ 1, therefore proton abstraction is not involved in the rate determing step. In D2O the incorporation of Deuterium at Cβ–H in the substrate is found many times faster than rate of elimination, in E1cB reaction.In E1 reaction only nucleofuge departs in slow step and a carbocation intermediate is formed.Q.Consider the following statement, “In 80% aqueous ethanol, t-Butyl iodide solvolyses 100 times as rapidly as t-Butylchloride, but the ratio of elimination to substitution products is the same for chloride and iodide.” This statement indicates that

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Consider the following reaction sequence the product a and b are?
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Consider the following reaction sequence the product a and b are? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Consider the following reaction sequence the product a and b are? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following reaction sequence the product a and b are?.
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