1
JEE Main 2020 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Complex X of composition Cr(H2O)6Cln has a spin only magnetic moment of 3.83 BM. It reacts with AgNO3 and shows geometrical isomerism. The IUPAC nomenclature of X is :
A
Hexaaqua chromium (III) chloride
B
Tetraaquadichlorido chromium(IV) chloride dihydrate
C
Tetraaquadichlorido chromium (III) chloride dihydrate
D
Dichloridotetraaqua chromium (IV) chloride dihydrate
2
JEE Main 2020 (Online) 8th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Among (a) – (d) the complexes that can display geometrical isomerism are :
(a) [Pt(NH3)3Cl]+
(b) [Pt(NH3)Cl5]
(c) [Pt(NH3)2Cl(NO2)]
(d) [Pt(NH3)4ClBr]2+
A
(a) and (b)
B
(c) and (d)
C
(d) and (a)
D
(b) and (c)
3
JEE Main 2020 (Online) 8th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of the calculated spin-only magnetic moments of complexs (A) to (D) is:
(A) Ni(CO)4
(B) [Ni(H2O)6]Cl2
(C) Na2[Ni(CN)4]
(D) PdCl2(PPh3)2
A
(C) < (D) < (B) < (A)
B
(C) $$ \approx $$ (D) < (B) < (A)
C
(A) $$ \approx $$ (C) $$ \approx $$ (D) < (B)
D
(A) $$ \approx $$ (C) < (B) $$ \approx $$ (D)
4
JEE Main 2020 (Online) 8th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The complex that can show fac- and mer-isomers is :
A
[CoCl2(en)2]
B
[Pt(NH3)2Cl2]
C
[Co(NH3)3(NO2)3]
D
[Co(NH3)4Cl2]+
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