Write IUPAC names of the following compounds :
(i) `CH_(3)-underset(CH_(3)) underset(|)(CH)-CH_(2)- underset(OH) underset(|)(CH)-overset(CH_(3)) overset(|)underset(CH_(3)) underset(|)C-CH_(3)` (ii) `H_(3)-C- underset(OH) underset(|)(CH)-CH_(2)- underset(OH) underset(|)(CH)- underset(C_(2)H_(5)) underset(|)(CH)-CH_(2)-CH_(3)`
`CH_(3)-underset(OH)underset(|)(CH)-underset(OH)underset(|)(CH)-CH_(3)`
(iv) `HO-CH_(2)-underset(OH) underset(|)(CH)-CH_(2)-OH`

Explanation

(i) 2,3,4- Trimethylpentan -3-ol (ii) 5-Ethylheptane2,5 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) 3-Ethoxybutane