In which case the racemic mixture is obtained by mixing its mirror images (d & l form) in 1:1 molar ratio?

1. [Co(gly)3]                            

2. [Ni(DMG)2]

3. cis-[Cu(gly)2]                              

4. [Zn(en)(gly)]+

Subtopic:  Isomerism in Coordination Compounds |
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 compound shows optical isomerism?

(1) cis-[CrCl3(NH3)3]                         

(2) cis-[Co(NH3)4Cl2]+

(3) [Co(en)3]3+                                   

(4) trans-[Co(en)2Cl2]+

Subtopic:  Isomerism in Coordination Compounds |
 68%
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

Match List-I with List-II and select the correct answer using the codes given below:

                     List-I                                                          List-II     

                (Ion involved)                                                 (agent)    

(i)               Ni2+                                                   (A) Sodium thiosulphate

(ii)              Ag+                                                    (B) Sodium nitroprusside

(iii)             Cu2+                                                  (C) Ammonia

(iv)             S2-                                                    (D) Dimethylglyoxime

       (i)      (ii)      (iii)       (iv)                              

(1)    C       A         D          B                     

(2)    D       C         A          B

(3)    D       C         B          A                     

(4)    D        A         C         B 

Subtopic:  Introduction, Classification and Nomenclature |
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

The correct IUPAC name among the following is:

1. Tris(acetylacetonato)iron(III) chloride
2. Hexachloroplatinum(IV) tetraamminedicyanoplatinate(IV)
3. Amminebromochloromethylamineplatinum(II) 
4. cis-dichloro(ethylenediamine) platinum(II)
Subtopic:  Introduction, Classification and Nomenclature |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following are bidentate monoanion ligands?

(a) Acetylacetonato

(b) Oxylato ion

(c) Dimethylglyoximato

Select the following answer using the codes given below :

(1) (a) only 

(2) (a) and (c) only

(3) (c) only

(4) (b) and (c) only

Subtopic:  Ligands |
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

A complex cation is formed by Pt (in some oxidation state) with ligands (in proper number so that coordination number of Pt becomes six). Which of the following can be its correct IUPAC name?

(1) Diammineethylenediaminedithiocyanato-S-platinum (II)

(2) Diammineethylenediaminedithiocyanato-S-platinate (IV) ion.

(3) Diammineethylenediaminedithiocyanato-S-platinum (IV) ion.

(4) Diamminebis (ethylenediamine) dithiocyanato-S-platinum (IV) ion.

Subtopic:  Introduction, Classification and Nomenclature |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Incorrect match among the following is:

IUPAC name of coordination
compound
 Representation 
1. Sodium
(ethylenediamine
tetraacetato)
chromate (II)
\(\small{\mathrm{Na}_2\left[\mathrm{Cr}\left(\mathrm{CH}_3 \mathrm{COO}\right)_4(\mathrm{en})\right]}~~\)
2. Dichloridobis
(ethane-1, 2-diamine)
cobalt (III) ion
\(\small{\left[\mathrm{Co}(\mathrm{Cl})_2(\mathrm{en})_2\right]^{+}}\)
3. Tris
(ethane-1,2-diamine)
cobalt(III) 
sulphate
\(\small{\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{NCH}_2 \mathrm{CH}_2 \mathrm{NH}_2\right)_3\right]_2\left(\mathrm{SO}_4\right)_3}\)
4. Ammineaquadi
bromidocopper(II)
\(\small{\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)\left(\mathrm{H}_2 \mathrm{O}\right) \mathrm{Br}_2\right]}\)
Subtopic:  Introduction, Classification and Nomenclature |
 51%
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

The EAN of metal atoms in FeCO2NO+2 and (Co)2(CO)8 respectively are :

1. 34, 35 

2. 34, 36

3. 36, 36                                       

4. 36, 35

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

Match the complex ions listed in column-I with the characteristics listed in column-II using the codes given below.

Column-I                                                        Column-II

(a) NiNH362+                                     (p) d2sp3 and diamagnetic

(b) CrNH363+                                     (q) sp3d2 and diamagnetic

(c) CoNH363+                                     (r) sp3d2 and two unpaired electrons.

(d) ZnNH362+                                     (s) d2sp3 and three unpaired electrons.

                 a   b   c   d
(1)            r    s   p   q
(2)            s   r   q    p
(3)            r   s   q    p
(4)            p  q   r    s

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 statements is correct?

(A) CrH2O62+ aq and CrCN64- aq are high spin and low spin complexes respectively but

     both have same number of unpaired electrons.

(B) VNH363+ is inner orbital complex and paramagnetic with two unpaired electrons.

(C) CoCN64- is outer orbital complex and paramagnetic with three unpaired electrons.

(D) MnNO3CO is square planar and diamagnetic.

 

Subtopic:  VBT, CFT & their Limitations |
 60%
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