1
JEE Main 2020 (Online) 5th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of the ionic radii of
O2–, N3–, F , Mg2+, Na+ and Al3+ is :
A
N3– < O2– < F < Na+ < Mg2+ < Al3+
B
N3– < F < O2– < Mg2+ < Na+ < Al3+
C
Al3+ < Na+ < Mg2+ < O2– < F < N3–
D
Al3+ < Mg2+ < Na+ < F < O2– < N3–
2
JEE Main 2020 (Online) 5th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the complex ions,
trans-[Co(en)2Cl2]+ (A) and
cis-[Co(en)2Cl2]+ (B).
The correct statement regarding them is :
A
both (A) and (B) can be optically active.
B
both (A) and (B) can not be optically active.
C
(A) can not be optically active, but (B) can be optically active.
D
(A) can be optically active, but (B) can not be optically active.
3
JEE Main 2020 (Online) 5th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Lattice enthalpy and enthalpy of solution of NaCl are 788 kJ mol–1, and 4 kJ mol–1, respectively.
The hydration enthalpy of NaCl is :
A
–780 kJ mol–1
B
–784 kJ mol–1
C
780 kJ mol–1
D
784 kJ mol–1
4
JEE Main 2020 (Online) 5th September Evening Slot
MCQ (More than One Correct Answer)
+4
-1
Change Language
Among the following compounds, geometrical isomerism is exhibited by :
A
JEE Main 2020 (Online) 5th September Evening Slot Chemistry - Basics of Organic Chemistry Question 181 English Option 1
B
JEE Main 2020 (Online) 5th September Evening Slot Chemistry - Basics of Organic Chemistry Question 181 English Option 2
C
JEE Main 2020 (Online) 5th September Evening Slot Chemistry - Basics of Organic Chemistry Question 181 English Option 3
D
JEE Main 2020 (Online) 5th September Evening Slot Chemistry - Basics of Organic Chemistry Question 181 English Option 4
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