The reactant which is entirely consumed in reaction is known as limiting reagent. In the reaction 2A + 4B \(\Rightarrow\) 3C + 4D, when 5 moles of A react with 6 moles of B, then calculate the amount of C formed?

2

(a)

A hydrogen atom has only one electron, so mutual repulsion between electrons is absent. However, in multielectron atom mutual repulsion between the electrons is significant.
How does this affect the energy of an electron in the orbitals of the same principle quantum number in a multielectron atom?

2

(a)

The unpaired electrons in Al and Si are present in 3p orbital. Which electrons will experience more effective nuclear charge from the nucleus ?

2

(a)

Name the energy which arises due to motion of atoms or molecules in a body. How is this energy affected when the temperature is increased?

2

(a)

How will you calculate the work done on an ideal gas in a compression, when change in pressure is carried out in infinite steps?

2

(a)

Basic principle of hydrogen economy is transporation and storage of energy in the form of liquid or gaseous hydrogen.Which property of hydrogen may be usefuk for this chemical equation if required.

2

(a)

When aqueous solution of borax is acidified with hydrochloric acid, a white crystalline solid is formed which is soapy to touch. Is this solid acidic or basic in nature? Explain.

2

(a)

Why do you alkenes prefer to undergo electrophilic addition reaction while arenes prefer electrophilic substitution reactions? Explain.

2

(a)

Do you expect the carbon hydride of type C_nH_{2n + 2} to act as 'Lewis' acid or base? Justify your answer.

2

(a)