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Test: Oxidizing and Reducing Reagents - Chemistry MCQ


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10 Questions MCQ Test Organic Chemistry - Test: Oxidizing and Reducing Reagents

Test: Oxidizing and Reducing Reagents for Chemistry 2024 is part of Organic Chemistry preparation. The Test: Oxidizing and Reducing Reagents questions and answers have been prepared according to the Chemistry exam syllabus.The Test: Oxidizing and Reducing Reagents MCQs are made for Chemistry 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Oxidizing and Reducing Reagents below.
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Test: Oxidizing and Reducing Reagents - Question 1

How many isomers of C4H8O when reacts with CH3MgBr followed by acidification to alcohol (only consider carbonyl isomers and Including stereoisomers)?

Detailed Solution for Test: Oxidizing and Reducing Reagents - Question 1

C4H8O  2° Alcohol, if we consider only carbonyl isomer.
We Will 2 ismoers as shown below.

Test: Oxidizing and Reducing Reagents - Question 2

How can we prepare RR’ R” OH by the action of excess of a suitable Grignard reagent on which of the following reactants?

Detailed Solution for Test: Oxidizing and Reducing Reagents - Question 2

Preparation of 3° alcohol from ketone and ester by the action of excess of a suitable Grignard reagent is carried out as shown below:

Test: Oxidizing and Reducing Reagents - Question 3

Which is the correct combination of reagent which can carry out following conversion?

Detailed Solution for Test: Oxidizing and Reducing Reagents - Question 3

Here CH3 will attack at C=O and dehydration will take pass and again water will attack at meta position as a nucleophile at the ring. PCC will covert -OH into = O.

Test: Oxidizing and Reducing Reagents - Question 4

Which is the mildest reducing agent which reduces only carbonyl group in presence of nitro, carboxyl, double bond and ester groups?

Detailed Solution for Test: Oxidizing and Reducing Reagents - Question 4

NaBH4 is mild reducing agent for this conversion. It is very effective for the reduction of aldehydes and ketones to alcohols. By itself, it will generally not reduce esters, carboxylic acids, or amides (although it will reduce acyl chlorides to alcohols).

Test: Oxidizing and Reducing Reagents - Question 5

Which of the will give effective reduction of 3-hexyne to trans-3-hexene?

Detailed Solution for Test: Oxidizing and Reducing Reagents - Question 5

Na/liq. NH3 will give an effective reduction for the following case:

Test: Oxidizing and Reducing Reagents - Question 6

What is used to carry out the following conversion?

Detailed Solution for Test: Oxidizing and Reducing Reagents - Question 6

The transformation of a terminal or 1,2-disubstituted alkene to a ketone through the action of catalytic palladium(II), water, and a co-oxidant. Because of the ease with which terminal alkenes may be prepared and the versatility of the methyl ketone group installed by the reaction, the Wacker oxidation has been employed extensively in organic synthesis. This is followed by haloform reaction.

Test: Oxidizing and Reducing Reagents - Question 7

How acetophenone can be converted to phenol by reaction?

Detailed Solution for Test: Oxidizing and Reducing Reagents - Question 7


m-CPBA can convert ketone into amide and after ester hydrolysis it is reduced into phenol.

Test: Oxidizing and Reducing Reagents - Question 8

What will be the product for the given reactant and reagents?

Detailed Solution for Test: Oxidizing and Reducing Reagents - Question 8

LiAlH4 will reduce double bond into single bond and aldehyde group into alcohol.

Test: Oxidizing and Reducing Reagents - Question 9

Which of the reagent will give effective transformation of given compounds?

Detailed Solution for Test: Oxidizing and Reducing Reagents - Question 9

Ph3P = CH2 will give the most effective transformation of ketone into alkene (Wittig reaction). The Wittig reaction is a popular method for the synthesis of alkene from ketones and aldehydes. The Wittig reagent can generally tolerate carbonyl compounds containing several kinds of functional groups such as OH, OR, aromatic nitro and even ester groups.

Test: Oxidizing and Reducing Reagents - Question 10

Which is the suitable catalyst for bringing out the transformation given below?

Detailed Solution for Test: Oxidizing and Reducing Reagents - Question 10

BF3 increases the electrophilicity of carbonyl carbon due to which sulphur attacks on carbonyl carbon.

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