Give two tests for aldehydes.

One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having molecular mass of 44u . The alkene is :

Give two tests to distinguish between alkanes and alkenes.

Among the following, the alkene on ozonolysis giving rise to only one aldehyde as the product is :

List two tests for experimentally distinguishing between an alcohol and a carboxylic acid and describe how these tests are performed.

What is Fehligns solution? How it reacts with aldehydes?

What is Tollen's reagent? How it reacts with aldehydes?

Mention two tests to distinguish aldehydes from ketones.

Give two methods of conversion of primary alcohol to aldehyde.