Nitration of Aromatics

Q. Difference between structure of monoclinic and triclinic

Q. 41. An organic compound A having molecular formula C3H3N on catalytic reduction gave another compound B the compound B on treatment with HNO2 gave propyl alcohol . B on warming with alcoholic caustic potash gave offensive smelling substance C .identify A B C

Q. How will you convert benzene into p - nitrobromobenzene?

Q. 18. A:- CH3Cl has more dipole moment than CH3F R:-CH3CHO has more dipole moment than HCHO.

Q. 32. Nitobenzene is coverted into aniline under the conditions : electroreduction and in weakly acidic medium. N factor of nitrobenzene in this process is 1. 3 2. 6 3. 2 4. 4

Q.

How will you bring out the following conversion?

Q. why 3^o alcohol is very reactive though 3^o carbo cation is stable.

Q. Attacking or electrophilic species in nitration of benzene is :

1. $N{O}_2^{-}$
2. $N{O}_2^{+}$
3. $N{O}_3^{-}$
4. $N{O}^{+}$

Q. convert ethanoic acid into ethanal?
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Q. Which of the following reaction(s) does the permanagate ion shows in neutral medium?

1. $Mn{O}_4^{-}+4H^{+}+3e^{–}\to Mn{O}_2+2H_{2}O$
2. $Mn{O}_4^{-}+1e^{–}\to Mn{O}_4^{2-}$
3. $MnO{4}^{-}+8H^{+}+5e^{–}\to M{n}^{2+}+4H_{2}O$
   
4. (b) and (c) above.