How the following conversions can be carried out?
(i)Propene to propan-1-ol
(ii)Ethanol to but-1-yne
(iii)1-Bromopropane to 2-bromopropane
(iv)Toluene to benzyl alcohol
(v)Benzene to 4-bromonitrobenzene
(vi)Benzyl alcohol to 2-phenylethanoic acid
(vii)Ethanol to propanenitrile
(viii)Aniline to chlorobenzene
(ix)2-Chlorobutane to 3, 4-dimethylhexane
(x)2-Methyl-1-propene to 2-chloro-2-methylpropane
(xi)Ethyl chloride to propanoic acid
(xii)But-1-ene to n-butyliodide
(xiii)2-Chloropropane to 1-propanol
(xiv)Isopropyl alcohol to iodoform
(xv) Chlorobenzene to p-nitrophenol
(xvi)2-Bromopropane to 1-bromopropane
(xvii)Chloroethane to butane
(xviii)Benzene to diphenyl
(xix)tert-Butyl bromide to isobutyl bromide
(xx) Aniline to phenylisocyanide
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
(viii)
(ix)
(x)
(xi)
(xii)
(xiii)

(xiv)

(xv)
(xvi)
(xvii)
(xviii)

(xix)
(xx)

Give two differences between N1 and N2 reactions.
A racing track is built around an elliptical ground whose equation is given by \[ 9x^2 + 16y^2 = 144 \] The width of the track is \(3\) m as shown. Based on the given information answer the following: 
(i) Express \(y\) as a function of \(x\) from the given equation of ellipse.
(ii) Integrate the function obtained in (i) with respect to \(x\).
(iii)(a) Find the area of the region enclosed within the elliptical ground excluding the track using integration.
OR
(iii)(b) Write the coordinates of the points \(P\) and \(Q\) where the outer edge of the track cuts \(x\)-axis and \(y\)-axis in first quadrant and find the area of triangle formed by points \(P,O,Q\).