Monodentate Ligands

Q. Which one of the following octahedral complexes will not show geometrical isomerism?(A and B are monodentate ligands )

1. $\left[M{A}_4{B}_2\right]$
2. $\left[M{A}_{5}B\right]$
3. $\left[M{A}_2{B}_4\right]$
4. $\left[M{A}_3{B}_3\right]$

Q.

Is $\mathrm{CO}$ a Monodentate Ligand?

1. True
2. False

Q.

What is multidentate ligand?

Q. which of the following is/are monodentate ligand?

1. H₂O

2. NH₃

3. en

4. NO

Q.

The low density polythene LDP obtained through free radical addition and H atom abstraction has highly branched structure.

Can you please make me explain :- what last line H- atom abstraction...... Structure, Mean with branching I couldn't link it with branching.

Q. In the compound, Lithium tetrahydridoaluminate the ligand is

1. $H^{\ominus }$
2. $H$
3. $H^{\oplus }$
4. $Al$

Q. The highest denticity shown by ethylenediaminetriacetate ligand is:

Q. The position of ligands in the formula of a mononuclear coordination entity depends on which of the following ?

1. The first letter in the name of the ligand
2. Charge on the ligand
3. Atomicity of the ligand
4. Denticity of the ligand

Q. Donor atom in sulphate ligand, sulphate ligand?

Q. The number of geometrical isomers for octahedral $\left[CoC{l}_4\right(N{H}_3{)}_2{]}^{-}$ complex is

1. 2
2. 3
3. 6
4. 4

Q. Which of the following is a positively charged ligand

1. carboxyl
2. nitrito
3. nitrosonium
4. acetate

Q. Which of the following octahedral complex(es) show geometrical isomerism?
Here a, b, c, d, e, f each are monodentate ligands

1. $\left[M\right(abcdef){]}^{n\pm }$
2. $\left[M\right(a{)}_6{]}^{n\pm }$
3. $[M{a}_{5}b{]}^{n\pm }$
4. All of the above.

Q. Which of the following is a negatively charged bidentate ligand?

1. Dimethyl glyoximato
2. Cyano
3. Acetato
4. Ethylene diamine

Q. Will primary halide , when reacting with a strong base (which is also a nucleophile) , undergo E2 , or will it normally undergo Sn(2) ?

Q. Given below are two statements:


Statement I: The identification of $N{i}^{2+}$ is carried out by dimethylglyoxime in the presence of $N{H}_{4}OH$

Statement II: The dimethylglyoxime is a bidentate neutral ligand.

In the light of the above statements, choose the correct answer from the options given below

1. Both statement I and statement II are true
2. Both statement I and statement II are false
3. Statement I is false but statement II is true
4. Statement I is true but statement II is false

Q. The co-ordination number and the oxidation state of the element 'M' in the complex $\left[M\right(en{)}_2\left(C_2{O}_4\right)]N{O}_2$ $\{$where (en) ethane -$1,2$- diamine $\}$ are respectively.

1. $6$ and $3$
2. $4$ and $3$
3. $4$ and $2$
4. $6$ and $2$

Q. In pyrrole the electron density is maximum on

Q. A chelating agent has two or more than two donor atoms to bind to a single metal ion. Which of the following is not a chelating agent ?

1. Thiosulphato
2. Oxalato
3. Glycinato
4. Ethane -1, 2-diamine

Q. What are monodentate ligands ? Write one example.

Q. If $H_x\left[Pt{y}_6\right]$, y is a monodentate negatively charged ligand then find out the value of x.

1. $5$
2. $3$
3. $6$
4. None of these

Q. Give the names and the symbols of $2$ non-metals which are solid.

Q. Match the atomic number (in List I) with its IUPAC nomenclature (in List II).

Q. Find the number of ligand(s) which are monodentate, neutral as well as non-classical ligand.
$CO,\stackrel{\ominus }{C}N,S_2{O}_3^{2-},P{F}_3$.

Q. Consider the following ligands $N{H}_2^{-},acac,O{H}^{-},Gly,O_2^{-},Phen,DMG,N{O}_2^{-},C{O}_3^{2-},C{l}^{-},C{H}_{3}CO{O}^{-},en,S{O}_4^{2-}$. Then calculate value of $"P+Q-R-S"$
Here
$P:$ Total number of ligands which act as bridging as well as monodentate only.
$Q:$ Total number of flexidentate ligands
$R:$ Total number of bidentate ligands onlu
$S:$ Total number of unsymmetrical bidentate ligands.

Q. If $H_x\left[Pt{y}_6\right],y$ is a monodentate negatively charged ligand then find out the value of x :

1. 5
2. 3
3. 6
4. None of these

Q. The characteristic group present in $2^{\circ }$ amine is:

1. $-NH-$
   ​ $|$
2. $N_2^{\oplus }C{l}^{⊝}$
3. $-N{H}_2$
4. $-NH$
   $|$

Q. The ligands in Schrock carbenes are?

1. pi-acceptor
2. pi-donor
3. both
4. none

Q. In $\left[Cr\right(O_2\left)\right(N{H}_3{)}_4{H}_{2}O]C{l}_2$, oxidation number of Cr is $+3$, then oxygen will be in the form of:

1. peroxo
2. dioxo
3. superoxo
4. oxo

Q. What is the donor atom of [CO(NH3)5 (OCN)]2+ and [CO(NH3)5 (CNO)]2+

Q. Which of the following is a covalent oxide?

1. $BeO$
2. $CaO$
3. $SrO$
4. $BaO$