JEE Main 2021 (Online) 27th August Evening Shift | Alcohols, Phenols and Ethers Question 38 | Chemistry

JEE Main 2021 (Online) 27th August Evening Shift

MCQ (Single Correct Answer)

-1

Given below are two statements :

Statement I : Ethyl pent-4-yn-oate on reaction with CH₃MgBr gives a 3$$^\circ$$-alcohol.

Statement II : In this reaction one mole of ethyl pent-4-yn-oate utilizes two moles of CH₃MgBr.

In the light of the above statements, choose the most appropriate answer from the options given below :

Both Statement I and Statement II are false.

Statement I is false but Statement II is true.

Statement I is true but Statement II is false.

Both Statement I and Statement II are true.

JEE Main 2021 (Online) 27th August Evening Shift

MCQ (Single Correct Answer)

-1

The major product of the following reaction, if it occurs by S_N2 mechanism is :

JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 38 English

JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 38 English

JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 38 English Option 1

JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 38 English Option 2

JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 38 English Option 3

JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 38 English Option 4

JEE Main 2021 (Online) 27th August Morning Shift

MCQ (Single Correct Answer)

-1

The major product of the following reaction is :

JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 40 English

JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 40 English Option 1

JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 40 English Option 2

JEE Main 2021 (Online) 27th August Morning Shift

MCQ (Single Correct Answer)

-1

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : Synthesis of ethyl phenyl ether may be achieved by Williamson synthesis.

Reason (R) : Reaction of bromobenzene with sodium ethoxide yields ethyl phenyl ether.

In the light of the above statements, choose the most appropriate answer from the options given below :

Both (A) and (R) are correct and (R) is the correct explanation of (A)

(A) is correct but (R) is not correct

(A) is not correct but (R) is correct

Both (A) and (R) are correct but (R) is not the correct explanation of (A).

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