1
JEE Main 2021 (Online) 26th August Morning Shift
+4
-1
Which one of the following complexes is violet in colour?
A
[Fe(CN)6]4$$-$$
B
[Fe(SCN)6]4$$-$$
C
Fe4[Fe(CN6)]3 . H2O
D
[Fe(CN)5NOS]4$$-$$
2
JEE Main 2021 (Online) 27th July Evening Shift
+4
-1
Given below are two statements :

Statement I : $${[Mn{(CN)_6}]^{3 - }}$$, $${[Fe{(CN)_6}]^{3 - }}$$ and $${[Co{({C_2}{O_4})_3}]^{3 - }}$$ are d2sp3 hybridised.

Statement II : $${[MnCl)_6}{]^{3 - }}$$ and $${[Fe{F_6}]^{3 - }}$$ are paramagnetic and have 4 and 5 unpaired electrons, respectively.

In the light of the above statements, choose the correct answer from the options given below :
A
Statement I is correct but statement II is false
B
Both statement I and Statement II are false
C
Statement I is incorrect but statement II is true
D
Both statement I and statement II are true
3
JEE Main 2021 (Online) 27th July Morning Shift
+4
-1
The type of hybridisation and magnetic property of the complex [MnCl6]3$$-$$, respectively, are :
A
sp3d2 and diamagnetic
B
d2sp3 and diamagnetic
C
d2sp3 and paramagnetic
D
sp3d2 and paramagnetic
4
JEE Main 2021 (Online) 27th July Morning Shift
+4
-1
The number of geometrical isomers found in the metal
complexes [PtCl2(NH3)2], [Ni(CO)4], [Ru(H2O)3Cl3 and [CoCl2(NH3)4]+ respectively, are :
A
1, 1, 1, 1
B
2, 1, 2, 2
C
2, 0, 2, 2
D
2, 1, 2, 1
JEE Main Subjects
Physics
Mechanics
Electricity
Optics
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Coordinate Geometry
Calculus
EXAM MAP
Joint Entrance Examination