How will you bring about the following conversions in not more than two steps ?
i. Propanone to propene
ii. Benzoic acid to Benzaldehyde
iii. Ethanol to 3-Hydroxybutanal
iv. Benzene to m-Nitroacetopenone
v. Benzaldehyde to Benzophenone
vi. Bromobenzene to 1-Phenylethonal
vii. benzaldehyde to 3-Phenylpropan-1-ol
viii. Benzaldehyde to `alpha`-Hydrophylacetic acid
ix. Benzoic acid to m-Nitrobenzyl alcohol

How will you bring about the following conversions in not more than two steps? i. Propanone to Propene ii. Benzoic acid to Benzaldehyde iii. Ethanol to .3 -Hydroxybutanal iv. Benzene to m - Nitroacetophenone v. Benzaldehyde to Benzophenone vi. Bromobenzene, to 1-Phenylethanol vii. Benzaldehyde to 3-Phenylpropan-l-ol, viii. Benazaldehyde to alpha -Hydroxyphenylacetic acid ix. Benzoic acid to m - Nitrobenzyl 'alcohol

How will you bring about the following conversions in not more than two steps ? Toluene to Benzaldehyde

How will you bring about the following conversions in not more than two steps? Benzaldehyde to benzophenone

How will you bring about the following conversions in not more than two steps? Ethanol to 3-hydroxybutanal