Physical Properties of Alcohols and Phenols

Q. Phenol is a weaker acid than acetic acid because

1. Phenoxide ion is better stabilized by resonance than acetate ion.
2. Acetate ion is better stabilized by resonance than phenoxide ion.
3. Phenol is less solute in water than acetic acid.
4. Both phenoxide ion and acetate ion are stable.

Q. The compound that is most difficult to protonate is:

1. 
2. 
3. 
4. 

Q.

The boiling point of alcohol are .... than corresponding thiols [Pb. PMT 2000]

1. More

2. Same

3. Either of these

4. Less

Q. The compound that is most difficult to protonate is:

1. 
2. 
3. 
4. 

Q. Match the following
$\begin{array}{cc}\text{Compound}& \text{Boiling point}\\ \text{(A) butan-1-ol}& \text{(P)}108{}^{\circ }C\\ \text{(B) butan-2-ol}& \text{(Q)}117{}^{\circ }C\\ \text{(C) 2-methyl propan-1-ol}& \text{(R)}82{}^{\circ }C\\ \text{(D) 2-methyl propan-2-ol}& \text{(S)}100{}^{\circ }C\end{array}$

1. $A\to Q;B\to S;C\to P;D\to R$
2. $A\to R;B\to Q;C\to S;D\to P$
3. $A\to P;B\to R;C\to Q;D\to S$
4. $A\to S;B\to Q;C\to R;D\to P$

Q. Match the following
$\begin{array}{cc}\text{Compound}& \text{Boiling point}\\ \text{(A) butan-1-ol}& \text{(P)}108{}^{\circ }C\\ \text{(B) butan-2-ol}& \text{(Q)}117{}^{\circ }C\\ \text{(C) 2-methyl propan-1-ol}& \text{(R)}82{}^{\circ }C\\ \text{(D) 2-methyl propan-2-ol}& \text{(S)}100{}^{\circ }C\end{array}$

1. $A\to Q;B\to S;C\to P;D\to R$
2. $A\to R;B\to Q;C\to S;D\to P$
3. $A\to P;B\to R;C\to Q;D\to S$
4. $A\to S;B\to Q;C\to R;D\to P$

Q.

1. 

2. 

3. 

4.