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JEE Main 2021 (Online) 18th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
The correct structures of trans-[NiBr2(PPh3)2] and meridonial-[Co(NH3)3(NO2)3], respectively, are
A
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Coordination Compounds Question 61 English Option 1
B
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Coordination Compounds Question 61 English Option 2
C
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Coordination Compounds Question 61 English Option 3
D
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Coordination Compounds Question 61 English Option 4
2
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Match List - I with List - II :

List - I
List - II
(a) $$[Co{(N{H_3})_6}][Cr{(CN)_6}]$$ (i) Linkage isomerism
(b) $$[Co{(N{H_3})_3}{(N{O_2})_3}]$$ (ii) Solvate isomerism
(c) $$[Cr{({H_2}O)_6}C{l_3}$$ (iii) Co-ordination isomerism
(d) $$cis - {[CrC{l_2}{(ox)_2}]^{3 - }}$$ (iv) Optical isomerism


Choose the correct answer from the options given below :
A
(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
B
(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
C
(a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
D
(a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
3
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Arrange the following metal complex/compounds in the increasing order of spin only magnetic moment. Presume all the three, high spin system.

(Atomic numbers Ce = 58, Gd = 64 and Eu = 63)

(a) (NH4)2[Ce(NO3)6]

(b) Gd(NO3)3 and

(c) Eu(NO3)3
A
(a) < (b) < (c)
B
(b) < (a) < (c)
C
(a) < (c) < (b)
D
(c) < (a) < (b)
4
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
In which of the following order the given complex ions are arranged correctly with respect to their decreasing spin only magnetic moment?

(i) [FeF6]3$$-$$

(ii) [Co(NH3)6]3+

(iii) [NiCl4]2$$-$$

(iv) [Cu(NH3)4]2+
A
(iii) > (iv) > (ii) > (i)
B
(ii) > (iii) > (i) > (iv)
C
(i) > (iii) > (iv) > (ii)
D
(ii) > (i) > (iii) > (iv)
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