JEE Main 2019 (Online) 12th April Evening Slot | Basics of Organic Chemistry Question 192 | Chemistry

The IUPAC name for the following compound is : JEE Main 2019 (Online) 12th April Evening Slot Chemistry - Basics of Organic Chemistry Question 192 English

JEE Main 2019 (Online) 12th April Evening Slot Chemistry - Basics of Organic Chemistry Question 192 English

3, 5-dimethyl-4-propylhept-1-en-6-yne

3-methyl-4-(3-methylprop-1-enyl)-1-heptyne

3-methyl-4-(1-methylprop-2-enyl)-1-heptene

3,5-dimethyl-4-propylhept-6-en-1-yne

JEE Main 2019 (Online) 12th April Morning Slot

MCQ (Single Correct Answer)

-1

The increasing order of the pK_b of the following compound is :

JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Basics of Organic Chemistry Question 193 English

(B) < (D) < (C) < (A)

(B) < (D) < (A) < (C)

(A) < (C) < (D) < (B)

JEE Main 2019 (Online) 10th April Evening Slot

MCQ (Single Correct Answer)

-1

In chromatography, which of the following statements is incorrect for R_f ?

R_f value depends on the type of chromatography.

Higher R_f value means higher adsorption.

R_f value is dependent on the mobile phase.

The value of R_f can not be more than one.

JEE Main 2019 (Online) 10th April Evening Slot

MCQ (Single Correct Answer)

-1

Which of these factors does not govern the stability of a conformation in acyclic compounds?

Angle strain

Torsional strain

Electrostatic forces of interaction

Steric interactions

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