Preparation of Benzene and Homologues
Trending Questions
Q. 8. What is the type of hybridization of each carbon in the following compound ? With branching structure. (CH3)2CO
Q. 3. How both gerade and ungerade are take place in mot of 1s2. Because in 1s2 there is only two atoms or orbital
Q. Benzene easily shows
- Ring fission reactions since it is unstable.
- Addition reactions since it is unsaturated.
- Electrophilic substitution reactions due to stable ring and high electron density.
- Nucleophilic substitution reactions due to stable ring and minimum electron density.
Q. Total number of chiral carbons present in haworth structure of beta D-(-)-fructosefuranose.
Q.
In the nitration of benzene with a mixture of conc HNO3 and conc H2SO4, the active species involved are
Nitrite ion
Nitrate ion
Nitronium ion
Nitrogen dioxide
Q.
XdiH2SO4−−−−−→boiYZndust−−−−→ΔQ if one mole Y on ozonolysis yields three moles of ethan dial, X and Q respectively are
Naphthalene, Phenol
Benzene sulphonic acid, Nitrobenzene
Benzene sulphonic acid, Phenol
Phenol, Toulene
Q. The Number of anti-bonding electron pairs in O2^{2-} molecular ion on the basis of molecular orbital theory is ( Atomic number of O is 8) How to be solve
Q. 5. Use molecular orbital theory to explain why Be2 molecule does not exist.
Q. determine the bond order and magetic nature of C2 molecule if s-p mixing is not taking place and Hunds multiplicity rule is invalid
Q. 15. A mixture of 3.3gmformic acid and 4.5gm oxalic acid is treated with sulphuric acid . The evolved gaveous mixture is passed through koH pellete . Weight in gm of the remaining product at stp
Q.
In the nitration of benzene with a mixture of conc HNO3 and conc H2SO4, the active species involved are
Nitrite ion
Nitrate ion
Nitronium ion
Nitrogen dioxide
Q.
Which is X, Y and Z respectively ?