Benzaldehyde to benzophenone

(a) How will you distinguish between pentan-2-one and pentan-3-one with the help of iodoform test? (b) How will you bring about following conversions ? (i) Benzoic acid to m-Nitrobenzyl alcohol. (ii) Benzaldehyde to benzophenone (iii) Benzoic acid to benzamide.

How would you do the following conversions in not more than two steps? (i) Propanone to Propene (ii) Propanal to Butaonone (iii) Ethanol to 3-Hydroxybutanol (iv) Benzaldehyde to Benzophenone (v) Benzaldehyde to alpha -Hydroxyphenylacetic acid (vi) Benzaldehyde to 3-Phenylpropan -1-ol

How will you bring about the following conversions in not more than two steps (a ) Propanone to propene (b) propanal to butanone (c ) benzaldehyde to benzophenone (d) Benzaldehyde to -3- phenylpropan -1- ol (e ) Benzaldehyde to alpha - hydroxyphenyl acetic acid (f ) ethanl to 3- hydroxybutanal

How would you do the following conversions in noit more than two steps? (i) Propanone to Propene (ii) Propanal to Butaonone (iii) Ethanol to 3-Hydroxybutanol (iv) Benzaldehyde to Benzophenone (v) Benzaldehyde to alpha -Hydroxyphenylacetic acid (vi) Benzaldehyde to 3-Phenylpropan -1-ol

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