Polydentate Ligands

Q.

How to know if the element is metal or a non metal

Q.

What is the geometry and hybridisation of copper in [ Cu (NH₃ )₄ ] ⁺ ? Please explain.

Q. Formula for this?
amminebromidochloridonitrito-N-platinate(||)

Q.

Q. What are fluorinating agents ?

Q. Which of the following square planar complex is optically active?

1. $\left[Pd\right(EDTA){]}^{2-}$ where EDTA act as tetradentate ligand​
2. $\left[Pt\right(gly{)}_2]$​​
3. Both (a) and (b)
4. None of the above

Q.

What is the valency of nitride?

Q. The following ligand is:

1. tridentate
2. bidentate
3. tetradentate
4. hexadentate

Q. Total number of ligands which can act as bidentate / polydentate ligands with same donor atoms/sites.
DMG, en, Phen, Gly, acac, $S{O}_4^{2-},$ pyridine, $PP{h}_3$

Q. Which of the following lingands is not a chelating agent?

1. EDTA
2. Ethylenediammine
3. Oxalate
4. Pyridine

Q.

Is CN a pi acceptor ligand?

Q. (a) Following are the transition metal ions of 3d series:
$T{i}^{4+},V^{2+},M{n}^{3+},C{r}^{3+}$
(Atomic numbers : Ti = 22, V = 23, Mn = 25, Cr = 24)
Answer the following:
(i) Which ion is most stable in an aqueous solution and why?
(ii) Which ion is a strong oxidising agent and why?
(iii) Which ion is colourless and why?
(b) Complete the following equations:
$\left(i\right)2Mn{O}_4^{-}+16H^{+}+5S^{2-}\to \left(ii\right)KMn{O}_4\stackrel{Heat}{\to }$

Q. ntq) CH3Cl2 will be called Methylene chloride or Methylidene chloriden

Q. Identify the incorrect statement regarding VBT.

1. It does not explain the colour of coordination compounds
2. It is unreliable in the prediction of geometries of 4-coordinate complexes
3. It does not explain the kinetic stabilities of coordination compounds
4. It can distinguish between strong and weak ligands

Q.

The IUPAC name of the complex $\left[\mathrm{Pt}{\left({\mathrm{NH}}_3\right)}_2\mathrm{Cl}\left({\mathrm{NH}}_2{\mathrm{CH}}_3\right)\right]\mathrm{Cl}$is:

1. Diamminechlorido (methenamine) platinum (II) chloride

2. Bisammine (methenamine) chloridoplatinum (II) chloride

3. Diammine (methanamine) chloridoplatinum (II) chloride

4. Diamminechlorido (aminomethane) platinum (II) chloride

Q.

Is RNA basic or acidic?

Q. CH3SH has greater acidity than CH3OH, why?? even though EN of O is greater than S . will this concept not work in here

Q.

in solid KHCO3, HCO3–(anion) ions exist as

Monomer

Dimer

Polymer

H+ & CO3(2-)

Q. $[EDTA{]}^{4-}$ is a

1. Bidentate ligands
2. Monodentate ligands
3. Tetradentate ligands
4. Hexadentate ligands

Q. The least stable metal carbonyl among the following is Options: 1) Cr(CO)6 .2) Fe(CO)5 3) V(CO)6 4) Ni(CO)4

Q. lowest Pka is assosiated with benzoic acid p Bromo benzoic acid p methyl benzoic acid p methoxy benzoic aci

Q. Alkaline earth metals always form divalent cations even though their second ionisation enthalpies are almost double than their first ionisation enthalpies

Q. 2. What are azo and diazo ??

Q.

Write the valency of the following radical.

Biphosphate

Q. What is the equivalent weight of crystalline oxalic acid?

Q. The functional derivative of carboxylic acid present in the structure is:

1. Amide
2. Ester
3. Both (a) and (b)
4. None of the above

Q. Why zirconium and hafnium have nearly same size?

Q. Which is incorrectly matched

1. COMPLEX - Cuprammonium sulphate COORDINATION NUMBER - 4
2. COMPLEX - $\left[Co\right(en{)}_3{]}^3\oplus$ COORDINATION NUMBER - 3
3. COMPLEX - $\left[Co\right(N{H}_3{)}_{3}C{l}_3]$ COORDINATION NUMBER - 6
4. COMPLEX - $\left[Ni\right(CO{)}_4]$ COORDINATION NUMBER - 4

Q. EDTA is

1. monodentate
2. bidentate
3. hexadentate
4. ambidentate

Q. What are primary valencies and secondary valencies give an example?

Q. What is meant by unidentate, didentate and ambidentate ligands? Give two examples for each.