1
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The IUPAC name for the following compound is : JEE Main 2019 (Online) 12th April Evening Slot Chemistry - Basics of Organic Chemistry Question 145 English
A
3, 5-dimethyl-4-propylhept-1-en-6-yne
B
3-methyl-4-(3-methylprop-1-enyl)-1-heptyne
C
3-methyl-4-(1-methylprop-2-enyl)-1-heptene
D
3,5-dimethyl-4-propylhept-6-en-1-yne
2
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of the pKb of the following compound is : JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Basics of Organic Chemistry Question 146 English
A
(C) < (A) < (D) < (B)
B
(B) < (D) < (C) < (A)
C
(B) < (D) < (A) < (C)
D
(A) < (C) < (D) < (B)
3
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In chromatography, which of the following statements is incorrect for Rf ?
A
Rf value depends on the type of chromatography.
B
Higher Rf value means higher adsorption.
C
Rf value is dependent on the mobile phase.
D
The value of Rf can not be more than one.
4
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of these factors does not govern the stability of a conformation in acyclic compounds?
A
Angle strain
B
Torsional strain
C
Electrostatic forces of interaction
D
Steric interactions
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