Question

please answer the all questions please​

Answer 1

31) 1. 2 Mg+O2⇒2 MgO

    2. CaCO3⇒CaO+CO2 (In the arrow head write heat)

 OR

Iron nail become in colour indicating copper coating and blue colour of copper sulphate solution fade.

 Fe +CuSO4 ⇒FeSO4 +Cu

33) In a hydrocarbon chain ,one or more hydrogens can be replaced by these elements ,such that the valency of carbon remains satisfy.

In such compounds ,the element replacing hydrogen is reffered to as heteroatom .This heteroatom and the group containing these confir specific properties to the compound , regardless of the length and nature of the carbon chain and hence are called functional groups.

example, alcohol-OH

                Aldehyde-CHO

Answer 2

32)

33) Hydrogenation is a complex 3‐phase reaction, and the end result depends largely on transport and chemical resistances. Control of these factors is of critical importance to a predictable end product and this control is possible if a fundamental understanding of the …