NEB Question Browser

If compound A undergoes Hell–Volhard–Zelinsky reaction, write the reaction leading to the final product.

Identify A, B, C, D and E with reactions involved.

Though ethanol is an organic compound, it is soluble in water.

What happens when compound (A) is:
(a) exposed in air
(b) heated with Ag powder
(c) condensed with acetone, and
(d) heated with aniline in the presence of alc. KOH?

How would you prepare compound (A) by using one of the isomers of ?

Find the value of .

Define heat of combustion.

Calculate the value of and specify its unit.

Write the expression for rate law.

Define half-life of a reaction. Deduce the relation that the half-life for a reaction is directly proportional to the initial concentration of reactant.

Is the solution primary standard? Why?

Write an example of each of primary (1°) and secondary (2°) alcohol. How is Victor-Meyer's test applied to distinguish between them?

Write down a chemical equation of each of the following.

i) Carbonylation reaction

ii) Fehling's test

iii) Aldol condensation

iv) Williamson's ether synthesis

v) 2,4-DNP test

Make a correct sequence of reactions using suitable conditions from the following compounds

Benzoin, Toluene, Benzene diazonium chloride, Phenol, Benzaldehyde and Benzene

Identify compounds (A) and (B).

Starting from benzene, how would you prepare nitrobenzene? How would you convert nitrobenzene into:

i) Azoxybenzene

ii) p-Aminophenol

iii)Aniline

iv)Azobenzene

Mention any two important uses of corrosive sublimate.

What is the action of corrosive sublimate with:

i) KI solution

ii) solution

iii) solution

Explain the different chemical reactions involved during the formation of matte in the furnace.