Carbon and its Compounds — Science STD 10 — Question

What happens when propanoic acid is warmed with methanol in the presence of a few drops of concentrated sulphuric acid? Write equation of the reaction involved.

How are the less reactive metals (which are quite low in the reactivity series) extracted?
Explain with the help of an example.

How would you distinguish experimentally between an alcohol and a carboxylic acid on the basis of a chemical property?

State two characteristics of a homologous series.

Draw the electron-dot structure of a hydrogen chloride molecule:

1. Which inert gas does the H atom in HCl resemble in electron arrangement?
2. Which inert gas does the Cl atom in HCl resemble in electron arrangement?

You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?

Write one reaction in which aluminium oxide behaves as a basic oxide and another in which it behaves as an acidic oxide.

Hydrogen is not a metal but still it has been assigned a place in the reactivity series of metals. Why?

What is buck minster fullerene? How is it related to diamond and graphite?