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Named, Rearrangement & Reagent - Chemistry MCQ


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20 Questions MCQ Test - Named, Rearrangement & Reagent

Named, Rearrangement & Reagent for Chemistry 2024 is part of Chemistry preparation. The Named, Rearrangement & Reagent questions and answers have been prepared according to the Chemistry exam syllabus.The Named, Rearrangement & Reagent MCQs are made for Chemistry 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Named, Rearrangement & Reagent below.
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Named, Rearrangement & Reagent - Question 1

The major product formed are 

Detailed Solution for Named, Rearrangement & Reagent - Question 1

First step is Freidel Craft alkylation and second step is wolf-Kishner reduction. Therefore, opteion (c) iscorrect.

Named, Rearrangement & Reagent - Question 2

The product formed and the reaction name is 

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Named, Rearrangement & Reagent - Question 3

The major product (P) formed is

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Step - 1: Hoffman bromode degradation(amide is converted into 10 amine)
Step - 2: Diazotization; followed by decarboxylation and removal of N2 gas by heat.

Named, Rearrangement & Reagent - Question 4

The major product (P) formed is

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Named, Rearrangement & Reagent - Question 5

The major product (P) formed is

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This is asymmetric induction, followed by metal reduction by LiA1H4.

Named, Rearrangement & Reagent - Question 6

The following reaction is

Named, Rearrangement & Reagent - Question 7

The major product (P) formed is

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Named, Rearrangement & Reagent - Question 8

The rearrangement involved is

Named, Rearrangement & Reagent - Question 9

The products formed in the following reaction sequence are

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Oxalic acid is a mild acid, it will not isomerize.

Named, Rearrangement & Reagent - Question 10

The major product (A) formed is

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The chelation effect in OH group is not given by the hydroxylation process because of steric effect.

Named, Rearrangement & Reagent - Question 11

The major product (P) is formed

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It is the Swern-Oxidation with in absence of base. So, substitution product will be formed

Named, Rearrangement & Reagent - Question 12

Major product (P) formed is

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This is acyl ion reaction mechanism is shown below :
 
 
 

Named, Rearrangement & Reagent - Question 13

The product formed is

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Named, Rearrangement & Reagent - Question 14

The major product formed is

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DIBAL-H changes α - β unsaturated ester into alchol.

Named, Rearrangement & Reagent - Question 15

The product formed is

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Named, Rearrangement & Reagent - Question 16

The major product formed is

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L-selective role is a Bulky reagent. So, will attack from equatorial side of the carbonyl group.

Named, Rearrangement & Reagent - Question 17

How many of following rearrangements form isocyanate______

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In the above rearrangement, Curtius, Hoffman, Lossen and Schmidt form isocyanate intermediate.

*Answer can only contain numeric values
Named, Rearrangement & Reagent - Question 18


In the above structure, how many functional groups are reduced by LiAlH4.


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Total number of five functional groups reduced by LiAlH4.

*Answer can only contain numeric values
Named, Rearrangement & Reagent - Question 19


In the above structure, how many functional groups not reduce by borane


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In the above structure, RCOCl and R-NO2 are not reduce by Borane.

*Answer can only contain numeric values
Named, Rearrangement & Reagent - Question 20


In the above reaction, total number of hydroxyl group is/are oxidised _____________


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