1
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The point of intersection and sudden increase in the slope, in the diagram given below, respectively, indicates :

JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Isolation of Elements Question 63 English
A
$$\Delta$$G > 0 and decomposition of the metal oxide
B
$$\Delta$$G < 0 and decomposition of the metal oxide
C
$$\Delta$$G = 0 and reduction of the metal oxide
D
$$\Delta$$G = 0 and melting or boiling point of the metal oxide
2
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is an aromatic compound?
A
JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Basics of Organic Chemistry Question 109 English Option 1
B
JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Basics of Organic Chemistry Question 109 English Option 2
C
JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Basics of Organic Chemistry Question 109 English Option 3
D
JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Basics of Organic Chemistry Question 109 English Option 4
3
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
A central atom in a molecule has two lone pairs of electrons and forms three single bonds. The shape of this molecule is :
A
trigonal pyramidal
B
T-shaped
C
see-saw
D
planar triangular
4
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements :

Statement I : Retardation factor (Rf) can be measured in meter/centimeter.

Statement II : Rf value of a compound remains constant in all solvents.

Choose the most appropriate answer from the options given below :
A
Statement I is true but statement II is false
B
Statement I is false but statement II is true
C
Both statement I and statement II are true
D
Both statement I and statement II are false
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