Write the IUPAC names of the following compounds:
(i)2,2,4-Trimethylpentan-3-ol
(ii)5-Ethylheptane-2,4-diol
(iii)Butane-2,3-diol
(iv)Propane-1,2,3-triol
(v)2-Methylphenol
(vi)4-Methylphenol
(vii)2,5-Dimethylphenol
(viii)2,6-Dimethylphenol
(ix)1-Methoxy-2-methylpropane
(x)Ethoxybenzene
(xi)1-Phenoxyheptane
(xii)2-Ethoxybutane
Arrange the following compounds in increasing order of their boiling points:

The reaction 
suggests that phenol is :
In the reaction R–OH + HCl $\xrightarrow{\text{ZnCl}_2}$ RCl + H$_2$O, what is the correct order of reactivity of alcohols?
If vector \( \mathbf{a} = 3 \hat{i} + 2 \hat{j} - \hat{k} \) \text{ and } \( \mathbf{b} = \hat{i} - \hat{j} + \hat{k} \), then which of the following is correct?