01. Alkenes
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Hydrocarbons

230488 One mole of alkene on ozonolysis gives 2 moles of butanone. The alkene is

1 3,4-dimethylhex-2-ene
2 2,3-dimethylhex-3-ene
3 3,4-dimethylhex-3-ene
4 2,3-dimethylhex-2-ene
5 2,5-dimethylhex-3-ene
Hydrocarbons

230489 The products obtained by the ozonolysis of 2 ethylbut-l-ene are

1 propanone and ethanol
2 ethanol and 3-pentanone
3 butanal and ethanal
4 methanol and 2-pentanone
5 methanal and 3-pentanone
Hydrocarbons

230490 The major product obtained by the addition reaction of $\mathrm{HBr}$ to 4-methylpent-1-ene in the presence of peroxide is

1 1-bromo-4-methylpentane
2 4-bromo-2-methylpentane
3 2-bromo-4-methylpentane
4 3-bromo-2-methylpentane
5 2-bromo-2-methylpentane
Hydrocarbons

230492 Propylene on treatment with $\mathrm{HBr} / \mathrm{H}_2 \mathrm{O}_2$ provides

1 1-bromopropane
2 2-bromopropane
3 1,2-dibromopropane
4 1-bromopropan-2-ol
5 2-bromopropan-1-ol
Hydrocarbons

230488 One mole of alkene on ozonolysis gives 2 moles of butanone. The alkene is

1 3,4-dimethylhex-2-ene
2 2,3-dimethylhex-3-ene
3 3,4-dimethylhex-3-ene
4 2,3-dimethylhex-2-ene
5 2,5-dimethylhex-3-ene
Hydrocarbons

230489 The products obtained by the ozonolysis of 2 ethylbut-l-ene are

1 propanone and ethanol
2 ethanol and 3-pentanone
3 butanal and ethanal
4 methanol and 2-pentanone
5 methanal and 3-pentanone
Hydrocarbons

230490 The major product obtained by the addition reaction of $\mathrm{HBr}$ to 4-methylpent-1-ene in the presence of peroxide is

1 1-bromo-4-methylpentane
2 4-bromo-2-methylpentane
3 2-bromo-4-methylpentane
4 3-bromo-2-methylpentane
5 2-bromo-2-methylpentane
Hydrocarbons

230492 Propylene on treatment with $\mathrm{HBr} / \mathrm{H}_2 \mathrm{O}_2$ provides

1 1-bromopropane
2 2-bromopropane
3 1,2-dibromopropane
4 1-bromopropan-2-ol
5 2-bromopropan-1-ol
Hydrocarbons

230488 One mole of alkene on ozonolysis gives 2 moles of butanone. The alkene is

1 3,4-dimethylhex-2-ene
2 2,3-dimethylhex-3-ene
3 3,4-dimethylhex-3-ene
4 2,3-dimethylhex-2-ene
5 2,5-dimethylhex-3-ene
Hydrocarbons

230489 The products obtained by the ozonolysis of 2 ethylbut-l-ene are

1 propanone and ethanol
2 ethanol and 3-pentanone
3 butanal and ethanal
4 methanol and 2-pentanone
5 methanal and 3-pentanone
Hydrocarbons

230490 The major product obtained by the addition reaction of $\mathrm{HBr}$ to 4-methylpent-1-ene in the presence of peroxide is

1 1-bromo-4-methylpentane
2 4-bromo-2-methylpentane
3 2-bromo-4-methylpentane
4 3-bromo-2-methylpentane
5 2-bromo-2-methylpentane
Hydrocarbons

230492 Propylene on treatment with $\mathrm{HBr} / \mathrm{H}_2 \mathrm{O}_2$ provides

1 1-bromopropane
2 2-bromopropane
3 1,2-dibromopropane
4 1-bromopropan-2-ol
5 2-bromopropan-1-ol
Hydrocarbons

230488 One mole of alkene on ozonolysis gives 2 moles of butanone. The alkene is

1 3,4-dimethylhex-2-ene
2 2,3-dimethylhex-3-ene
3 3,4-dimethylhex-3-ene
4 2,3-dimethylhex-2-ene
5 2,5-dimethylhex-3-ene
Hydrocarbons

230489 The products obtained by the ozonolysis of 2 ethylbut-l-ene are

1 propanone and ethanol
2 ethanol and 3-pentanone
3 butanal and ethanal
4 methanol and 2-pentanone
5 methanal and 3-pentanone
Hydrocarbons

230490 The major product obtained by the addition reaction of $\mathrm{HBr}$ to 4-methylpent-1-ene in the presence of peroxide is

1 1-bromo-4-methylpentane
2 4-bromo-2-methylpentane
3 2-bromo-4-methylpentane
4 3-bromo-2-methylpentane
5 2-bromo-2-methylpentane
Hydrocarbons

230492 Propylene on treatment with $\mathrm{HBr} / \mathrm{H}_2 \mathrm{O}_2$ provides

1 1-bromopropane
2 2-bromopropane
3 1,2-dibromopropane
4 1-bromopropan-2-ol
5 2-bromopropan-1-ol