Advertisements
Advertisements
प्रश्न
How is Benzonitrile converted to Benzophenone?
How is benzophenone prepared from benzonitrile?
Advertisements
उत्तर
Benzonitrile reacts with phenyl magnesium bromide in equimolecular proportion in the presence of dry ether to give an adduct, which on acid hydrolysis gives benzophenone

APPEARS IN
संबंधित प्रश्न
What is the coordination entity formed when excess of aqueous KCN is added to an aqueous solution of copper sulphate? Why is it that no precipitate of copper sulphide is obtained when H2S(g) is passed through this solution?
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:
K3[Co(C2O4)3]
Which of the following compounds is used as a semipermeable membrane?
(a) Potassium ferrocyanide
(b) Potassium argentocyanide
(c) Sodium meta aluminate
(d) Copper ferrocyanide
Write IUPAC names of the following compounds

Write structures of compounds A, B and C in of the following reactions

Write structures of compounds A, B and C in of the following reactions

Write the structures of compounds A, B and C in the following reactions:

Write the IUPAC name of the following coordination compound:
[PtCl2(NH3)4][PtCl4]
The ligand triethylenetetramine is _______.
Write structures of compounds A and B of the following reaction :

Which of the following represents a chelate ligand?
Ligand (en) is an example of ___________.
The oxidation number of Fe in K4[Fe(CN)6] is ____________.
What is the coordination number of chromium in \[\ce{[Cr(NH3)2(H2O2)2]Cl3}\]?
Which of the following complexes formed by \[\ce{Cu^2+}\] ions is most stable?
The stabilisation of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?
Which of the following complexes are homoleptic?
(i) \[\ce{[Co(NH3)6]^{3+}}\]
(ii) \[\ce{[Co(NH3)4 Cl2]^{+}}\]
(iii) \[\ce{[Ni(CN)4]^{2-}}\]
(iv) \[\ce{[Ni(NH3)4Cl2]}\]
Identify the correct statements for the behaviour of ethane-1, 2-diamine as a ligand.
(i) It is a neutral ligand.
(ii) It is a didentate ligand.
(iii) It is a chelating ligand.
(iv) It is a unidentate ligand.
What is the relationship between observed colour of the complex and the wavelength of light absorbed by the complex?
Which one of the following does not achieve an octet of electrons in the central atom?
Which of the following is an ionic ligand?
The complex which has no d electrons in the central atom is:-
Ethylene diamine tetraacetate (EDTA) ion is ______.
Why chelate complexes are more stable than complexes with unidentate ligands?
The one that will show optical activity is: (en = ethane 1, 2-diamine)
Which of the following species cannot act as a ligand? Give reason.
What is meant by the chelate effect? Give an example.
Explain the ligand.
Statement I: [Co(NH3)6]3+ is a homoleptic compleх whereas [Co(NH3)4Cl2]+ is a heteroleptic complex.
Statement II: Complex [Co(NH3)6]3+ has only one kind of ligands but [Co(NH3)4Cl2]+ has more than one kind of ligands.
In the light of the above statements, Choose the correct answer form the options given below.
