02. Haloarenes
HALOALKANES AND HALOARENES

91080 Reagents $R_{1} A$ and $R_{2} B$ in the following reactions are
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1 $\mathrm{Sn}, \mathrm{HCl}$ and $\mathrm{NaNO}_{2}, \mathrm{HCl}$
2 $\mathrm{H}_{3} \mathrm{PO}_{2}, \mathrm{H}_{2} \mathrm{O}$ and $\mathrm{KMnO}_{4}, \mathrm{OH}^{-}$
3 $\mathrm{HBF}_{4}$ and $\mathrm{KMnO}_{4}, \mathrm{OH}^{-}$
4 $\mathrm{H}_{3} \mathrm{PO}_{2}, \mathrm{H}_{2} \mathrm{O}$ and $\mathrm{Sn}, \mathrm{HCl}$
HALOALKANES AND HALOARENES

91081 Reagent required for the following transformation is
original image

1 $\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{H}_{2} \mathrm{O}$
2 conc. $\mathrm{HNO}_{3}$
3 alkaline $\mathrm{KMnO}_{4}$
4 acidic $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$
HALOALKANES AND HALOARENES

91083 In a set of reactions. ethylbenzene yielded a product $D$.
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1 original image
2 original image
3 original image
4 original image
HALOALKANES AND HALOARENES

91090 What will be the end product (B) in the following sequence of reaction?
original image

1 1, 2-Dibromobenzene
2 1, 2-Dibromobenzaldehyde
3 1,3-Dibromobenzene
4 1, 4-Dibromobenzene
HALOALKANES AND HALOARENES

91080 Reagents $R_{1} A$ and $R_{2} B$ in the following reactions are
original image

1 $\mathrm{Sn}, \mathrm{HCl}$ and $\mathrm{NaNO}_{2}, \mathrm{HCl}$
2 $\mathrm{H}_{3} \mathrm{PO}_{2}, \mathrm{H}_{2} \mathrm{O}$ and $\mathrm{KMnO}_{4}, \mathrm{OH}^{-}$
3 $\mathrm{HBF}_{4}$ and $\mathrm{KMnO}_{4}, \mathrm{OH}^{-}$
4 $\mathrm{H}_{3} \mathrm{PO}_{2}, \mathrm{H}_{2} \mathrm{O}$ and $\mathrm{Sn}, \mathrm{HCl}$
HALOALKANES AND HALOARENES

91081 Reagent required for the following transformation is
original image

1 $\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{H}_{2} \mathrm{O}$
2 conc. $\mathrm{HNO}_{3}$
3 alkaline $\mathrm{KMnO}_{4}$
4 acidic $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$
HALOALKANES AND HALOARENES

91083 In a set of reactions. ethylbenzene yielded a product $D$.
original image

1 original image
2 original image
3 original image
4 original image
HALOALKANES AND HALOARENES

91090 What will be the end product (B) in the following sequence of reaction?
original image

1 1, 2-Dibromobenzene
2 1, 2-Dibromobenzaldehyde
3 1,3-Dibromobenzene
4 1, 4-Dibromobenzene
HALOALKANES AND HALOARENES

91080 Reagents $R_{1} A$ and $R_{2} B$ in the following reactions are
original image

1 $\mathrm{Sn}, \mathrm{HCl}$ and $\mathrm{NaNO}_{2}, \mathrm{HCl}$
2 $\mathrm{H}_{3} \mathrm{PO}_{2}, \mathrm{H}_{2} \mathrm{O}$ and $\mathrm{KMnO}_{4}, \mathrm{OH}^{-}$
3 $\mathrm{HBF}_{4}$ and $\mathrm{KMnO}_{4}, \mathrm{OH}^{-}$
4 $\mathrm{H}_{3} \mathrm{PO}_{2}, \mathrm{H}_{2} \mathrm{O}$ and $\mathrm{Sn}, \mathrm{HCl}$
HALOALKANES AND HALOARENES

91081 Reagent required for the following transformation is
original image

1 $\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{H}_{2} \mathrm{O}$
2 conc. $\mathrm{HNO}_{3}$
3 alkaline $\mathrm{KMnO}_{4}$
4 acidic $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$
HALOALKANES AND HALOARENES

91083 In a set of reactions. ethylbenzene yielded a product $D$.
original image

1 original image
2 original image
3 original image
4 original image
HALOALKANES AND HALOARENES

91090 What will be the end product (B) in the following sequence of reaction?
original image

1 1, 2-Dibromobenzene
2 1, 2-Dibromobenzaldehyde
3 1,3-Dibromobenzene
4 1, 4-Dibromobenzene
HALOALKANES AND HALOARENES

91080 Reagents $R_{1} A$ and $R_{2} B$ in the following reactions are
original image

1 $\mathrm{Sn}, \mathrm{HCl}$ and $\mathrm{NaNO}_{2}, \mathrm{HCl}$
2 $\mathrm{H}_{3} \mathrm{PO}_{2}, \mathrm{H}_{2} \mathrm{O}$ and $\mathrm{KMnO}_{4}, \mathrm{OH}^{-}$
3 $\mathrm{HBF}_{4}$ and $\mathrm{KMnO}_{4}, \mathrm{OH}^{-}$
4 $\mathrm{H}_{3} \mathrm{PO}_{2}, \mathrm{H}_{2} \mathrm{O}$ and $\mathrm{Sn}, \mathrm{HCl}$
HALOALKANES AND HALOARENES

91081 Reagent required for the following transformation is
original image

1 $\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{H}_{2} \mathrm{O}$
2 conc. $\mathrm{HNO}_{3}$
3 alkaline $\mathrm{KMnO}_{4}$
4 acidic $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$
HALOALKANES AND HALOARENES

91083 In a set of reactions. ethylbenzene yielded a product $D$.
original image

1 original image
2 original image
3 original image
4 original image
HALOALKANES AND HALOARENES

91090 What will be the end product (B) in the following sequence of reaction?
original image

1 1, 2-Dibromobenzene
2 1, 2-Dibromobenzaldehyde
3 1,3-Dibromobenzene
4 1, 4-Dibromobenzene