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
Classify the following ligands into monodentate and polydentate —
- Ammonia
- Carbon monoxide
- Ethylene diamine
- Ethylene diamine tetra acetate ion
Explain the following, giving two examples:
Coordination entity
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:
K3[Co(C2O4)3]
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:
cis-[CrCl2(en)2]Cl
Write IUPAC names of the following compounds
Write IUPAC names of the following compounds:
Write structures of compounds A, B and C in of the following reactions
Write IUPAC name of the following Complex [Cr(NH3)3Cl3]
Complete the following reactions
NH3+3Cl2(excess) ---->
Write the structures of compounds A, B and C in the following reactions:
A group of atoms can function as a ligand only when:
In which of the following compounds, the Central metal atom/ion is in the lowest oxidation state?
When 1 mol \[\ce{CrCl3.6H2O}\] is treated with excess of \[\ce{AgNO3}\], 3 mol of \[\ce{AgCl}\] are obtained. The formula of the complex is ______.
A complex of the type \[\ce{[M(AA)2X2]^{n+}}\] is known to be optically active. What does this indicate about the structure of the complex? Give one example of such complex.
Match the coordination compounds given in Column I with the central metal atoms given in Column II and assign the correct code:
| Column I (Coordination Compound) | Column II (Central metal atom) |
| A. Chlorophyll | 1. rhodium |
| B. Blood pigment | 2. cobalt |
| C. Wilkinson catalyst | 3. calcium |
| D. Vitamin B12 | 4. iron |
| 5. magnesium |
Oxidation number of cobalt in K[Co(CO)4] is
The nature of hybridisation in the ammonia molecule is
Which of the following is an ionic ligand?
The oxidation state of Fe in the brown ring complex [F3(H2O)5NO]SO4 is
The co-ordinate number and the oxidation state of the element E in the complex [E(en)2(C2O4)]NO2 are respectively?
The complex which has no d electrons in the central atom is:-
The most stable ion is ______.
Metal attached with EDTA in an octahedral complex, has coordination number ______.
How many ions are produced from the complex Co(NH3)6]Cl2 in solution?
The following ligand is:
Explain the following, giving two examples:
Coordination number
Explain the following, giving two examples:
Homoleptic
Explain the following, giving two examples:
Heteroleptic
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.
