An organic compound gives hydrogen on reaction with sodium metal. It forms an aldehyde having molecular formula `C_2H_4O` on oxidation with pyridinium chlorochromate Name the compounds and give equations of these reactions.

Write the structure and IUPAC names of isomeric aldehydes having molecular formula C_5H_(10)O

Write structure of optically active alcohol having molecular formula C_4H_10O

A water soluble compound 'A' having molecular formula C_3H_6O gives yellow crystalline solid on heating with iodine and sodium carbonate. The compound 'A' is

A metal M forms an oxide having the formula M_2O_3. It belongs to 3rd period in the Modern Periodic table. Write the atomic number and valency of the metal.

Give isomers of compound having molecular C_4H_10 .

Give isomers of compound having molecular C_5H_12 .

An organic compound 'A' having molecular formula C_2H_6O evolves hydrogen gas on treatment with sodium metal and on treatment with red phosphorous and iodind gives compound 'B'. The compound 'B' on treatment with, alcoholic KNC and on subsequent reduction gives compound 'C'. The compound 'C' on treatment with nitrous acid evolves nitrogen gas. Write the balanced chemical equations for all the reactions involved and identify thecompound 'A' 'B' and 'C'.

An organic compound P has molecular formula C_(2)H_(4) . On reduction, it gives another compound Q with molecular formula C_(2)H_(6). Q reacts with chlorine in the presence of sunlight to give R having molecular formula C_(2)H_(5)Cl. Identify P, Q and R.

An organic compound P has molecular formula C_(2)H_(4) . On reduction, it gives another compound Q with molecular formula C_(2)H_(6). Q reacts with chlorine in the presence of sunlight to give R having molecular formula C_(2)H_(5)Cl. ii. Write the chemical equation for the conversion of P to Q.

When ethanol is heated at 170^(@)C with conc. H_(2)SO_(4) , it forms an organic compound 'A' and water. The compound 'A' reacts with hydrogen in the presence of nickel to form 'B'. i. Name the compounds A and B. Write the chemical equations of the reactions involved.