Which of the following is an oxidizing agent?

(1) Mn(CO)5                     

(2) Fe(CO)5

(3) Mn2(CO)10                   

(4) Fe2(CO)9

Subtopic:  E.A.N |
 51%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The magnetic moment of a complex ion is 2.83 BM. The complex ion is:

1. \([V(H_{2}O)_{6}]^{3+}\)
2. \([Cr(H_{2}O)_{6}]^{3+}\)
3. \([Cu(CN)_{4}]^{2-}\)
4. \([Mn(Cl)_{4}]^{2-}\)
 

Subtopic:  VBT, CFT & their Limitations |
 75%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following complex compound(s) is/are paramagnetic and low spin?

(I) K3Fe(CN)6                       

(II) Ni(CO)40

(III) Cr(NH3)63+                       

(IV) Mn(CN)64-

Choose the correct code :

(1) I only       (2) II and III        (3) I and IV       (4) IV only 

Subtopic:  VBT, CFT & their Limitations |
 71%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Among the following pairs of complexes , in which case the 0 value is higher fir the first one ?

(1) Co(NH3)63+  and Co(CN)63-         

(2) CoF63- and Co(NH3)63+

(3) Co(H2O)62+ and Co(H2o)63+         

(4) Rh(H2O)63+ and Co(H2O)63+

Subtopic:  VBT, CFT & their Limitations |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Dimethyl glyoxime forms a square planar complex with Ni2+. The complex should be:

(1) diamagnetic     

(2) paramagnetic having 1 unpaired electron 

(3) paramagnetic having 2 unpaired electron 

(4) ferromagnetic

Subtopic:  VBT, CFT & their Limitations |
 63%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

What is the magnetic moment (spin only) and hybridisation of the brown ring complex Fe(H2O)5NOSO4 ?

(1) 3 BM, sp3d2                     

(2) 3 BM, d2sp3

(3) 15 BM, sp3d2                   

(4) 15 BM, d2sp3

Subtopic:  VBT, CFT & their Limitations |
 54%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Choose incorrect stability order :

(1) Cu(NH3)42+<Cu(en)22+<Cu(trien)2+

(2) Fe(H2O)63+<Fe(NO2)63-<Fe(NH3)63+

(3) Co(H2O)63+<Rh(H2O)63+<Ir(H2O)63+

(4) Cr(NH3)61+<Cr(NH3)62+<Cr(NH3)63+

Subtopic:  VBT, CFT & their Limitations |
 56%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Aqueous solution of Ni2+ contains [Ni(H2O)6]2+ and its magnetic moment is 2.83 BM. When ammonia is added in it, the magnetic moment of solution:

1. Will remain the same.

2. Will increase from 2.83 BM.

3. Will decrease from 2.83 BM.

4. Cannot be predicted theoretically.

Subtopic:  VBT, CFT & their Limitations |
 59%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is true about the complex [PtCl2(H2O)(NH3)] ?

(1) It exhibits geometrical isomerism

(2) It is a paramagnetic complex

(3) Its geometry is a tetrahedron 

(4) Platinum is sp3 hybridized 

Subtopic:  Isomerism in Coordination Compounds |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Complex compound [Cr(NCS)(NH3)5][ZnCl4] will be:

(1) colourless and diamagnetic

(2) green coloured and diamagnetic

(3) green coloured and shows coordination isomerism

(4) diamagnetic and shows linkage isomerism

Subtopic:  VBT, CFT & their Limitations |
 64%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints