JEE Main 2022 (Online) 24th June Morning Shift | Basics of Organic Chemistry Question 144 | Chemistry

Arrange the following conformational isomers of n-butane in order of their increasing potential energy :

JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Basics of Organic Chemistry Question 146 English

JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Basics of Organic Chemistry Question 146 English

II < III < IV < I

I < IV < III < II

II < IV < III < I

I < III < IV < II

JEE Main 2021 (Online) 31st August Morning Shift

MCQ (Single Correct Answer)

-1

Choose the correct name for compound given below :

JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Basics of Organic Chemistry Question 149 English

JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Basics of Organic Chemistry Question 149 English

(4E)-5-Bromo-hex-4-en-2-yne

(2E)-2-Bromo-hex-4-yn-2-ene

(2E)-2-Bromo-hex-2-en-4-yne

(4E)-5-Bromo-hex-2-en-4-yne

JEE Main 2021 (Online) 31st 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) : A simple distillation can be used to separate a mixture of propanol and propanone.

Reason (R) : Two liquids with a difference of more than 20$$^\circ$$ in their boiling points can be separated by simple distillations.

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

(A) is false but (R) is true.

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

(A) is true but (R) is false

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

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