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1
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
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
Change Language
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 Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The secondary valency and the number of hydrogen bonded water molecule(s) in CuSO4 . 5H2O, respectively, are :
A
5 and 1
B
4 and 1
C
6 and 5
D
6 and 4
4
JEE Main 2021 (Online) 18th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
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 138 English Option 1
B
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Coordination Compounds Question 138 English Option 2
C
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Coordination Compounds Question 138 English Option 3
D
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Coordination Compounds Question 138 English Option 4
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