1
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
The total number of isomers for a square planar complex
[M(F)(Cl)(SCN)(NO2)] is
A
16
B
8
C
12
D
4
2
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The complex that has highest crystal field splitting energy ($$\Delta $$), is :
A
[Co(NH3)5(H2O)]Cl3
B
K2[CoCl4]
C
[Co(NH3)5Cl]Cl2
D
K3[Co(CN)6]
3
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Homoleptic octahedral complexes of a metal ion 'M3+' with three monodenate ligands L1, L2 and L3 adsorb wavelenths in the region of green, blue and red respectively. The increasing order of the ligands strength is :
A
L3 < L1 < L2
B
L3 < L2 < L1
C
L1 < L2 < L3
D
L2 < L1 < L3
4
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Two complexes [Cr(H2O)6]Cl3 (A) and [Cr(NH3)6]Cl3 (B) are violet and yellow coloured, respectively. The incorrect statement regarding them is :
A
$$\Delta $$0 values of (A) and (B) are calculated from the energies of violet and yellow light, respectively
B
both are paramagnetic with three unpaired electrons
C
both absorb energies corresponding to their complementry colors.
D
$$\Delta $$0 value for (A) is less than that of (B).
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