Explain the reduction of nitrobenzene using different reagents.
The first reaction is called a catalytic reduction. Here is a picture of how it works with an olefin like ethylene.
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A conductivity cell having a cell constant of 0.5 cm –1 filled with 0.02 M solution of KCl at 298 K gave a resistance of 20.2 Ω. The water used for preparing the solution had a conductivity of 7.1 × 10–6 S cm–1. Calculate the molar conductivity of 0.02 M KCl solution
Solid ammonium chloride undergoes sublimation on heating. In the vapour phase ammonium chloride decomposes to give NH3(g) and HCI(g). The following equilibrium is established.
What is the number of
i) phases in the system,
ii) components in the system, and
iii) degrees of freedom of the system?
What is diazo coupling? Write the reaction for the preparation of Congo red dye using this reaction.
How will you carry out the following conversions?
i) 2- Chlorobutane to 2-Methylbutanoic acid.
ii) 1- Bromobutane to Pentanoic acid.
How can a carboxylic acid be converted to a carboxylic acid chloride using different reagents? How will you convert the acid chlorides to
i) other halides, and
ii) the starting carboxylic acid?
Draw the phase diagram for water system and label the one, two and three phase equilibria on it
Describe the formation of osazones by glucose and mannose. How are there two carbohydrates related to each to each other?