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1
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
According to the valence bond theory the hybridization of central metal atom is dsp2 for which one of the following compounds?
A
$$NiC{l_2}.6{H_2}O$$
B
$${K_2}[Ni{(CN)_4}]$$
C
$$[Ni{(CO)_4}]$$
D
$$N{a_2}[NiC{l_4}]$$
2
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
The correct order of intensity of colors of the compounds is :
A
$${[Ni{(CN)_4}]^{2 - }} > {[NiC{l_4}]^{2 - }} > {[Ni{({H_2}O)_6}]^{2 + }}$$
B
$${[Ni{({H_2}O)_6}]^{2 + }} > {[NiC{l_4}]^{2 - }} > {[Ni{(CN)_4}]^{2 - }}$$
C
$${[NiC{l_4}]^{2 - }} > {[Ni{({H_2}O)_6}]^{2 + }} > {[Ni{(CN)_4}]^{2 - }}$$
D
$${[NiC{l_4}]^{2 - }} > {[Ni{(CN)_4}]^{2 - }} > {[Ni{({H_2}O)_6}]^{2 + }}$$
3
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
4
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)
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