Which of the following compounds can be used as antifreeze in automobile radiators?
Methyl alcohol
Glycol
Nitrophenol
Nitrophenol
The reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally introduces, which one of the following functional group?
-CH2Cl
-COOH
-CHCl2
-CHCl2
Given are cyclohexanol (I), acetic acid (II), 2,4,6-trinitropenol (III) and phenol (IV). In these, the order of decreasing acidic character will be
III > II> IV> I
II > III> I > IV
II > III> IV> I
II > III> IV> I
Which one is most reactive towards electrophilic reagent?
A.
Electron withdrawing substituent deactivates the benzene nucleus towards electrophilic substitution while electron releasing substituent activates the ring towards electrophilic substitution.
Among the given -OH has the higher electron donating tendency and thus, activates the ring more towards electrophilic substitution. Hence
is more reactive towards electrophilic reagents.
Among the following four compounds
A) Phenol
B) Methyl Phenol
C) meta - nitrophenol
D) para-nitrophenol
the acidity order is
D > C > A > B
C > D > A> B
A > D > C > B
A > D > C > B
Consider the following reaction,
the product,Z,is
toluene
benzaldehyde
benzoic acid
benzoic acid