Account for the following :
(i) Phenol has a smaller dipole moment than methanol.
(ii) Phenols do not give protonation reaction readily.

Phenol has smaller dipole moment than methanol. Why?

Account for the following : (i) Phenol exhibits acidic character (ii) Phenol does not get protonated readily (iii) Phenol, Benzendiazonium chloride, NaOH solution gives red dye.

In which of the following cases trans isomer has higher dipole moment than cis ?

Account for the following : (i) phenol is soluble in NaOH and regenerated on adding HCl . (ii) phenol is insoluble in NaHCO_(3) solution while acetic acid is soluble (iii) Ethyl alcohol and phenol are miscible in all proportions

Dipole moment of phenol is smaller than that of methanol. Why ?

Give reason for the following: (a) p-nitrophenol is more acidic than o-nitrophenol. (b) Phenol is more reactive towards electrophilic substitution reaction than benzene.

How are the following conversions done ? (i) phenol to phenyl ethanoate (ii) aniline to phenol and (iii) phenol to anisole

Which one of the following reactions has a smaller energy of activation for the backward reaction ? (i) Exothermic reaction (ii) Endothermic reaction.

Go through the following statements (i) The cambium is generally more active on the inner side than on the outer. (ii) The autumn wood is darker and has a higher density than spring wood. (iii) In stem, the secondary xylem shows distinction into protoxylem and metaxylem and occurs in the from of patches. (iv) The tracheids and vessels of the sapwood get plugged by the ingrowth of the adjacent parenchyma cells into their cavities called tyloses. Which of theses are correct ? a. (i), (ii) & (iii) b. (i), (ii) & (iv) c. (i) and (ii) d. (i), (iii) & (iv)

Give an example of a reaction for each of the following type. (i) Zero order (ii) First order (iii) Second order (iv) Third order (v) Fractional order.