Duduli

Answer:- When acid chloride is heated with hydrogen in the presence of catalyst, palladium in barium sulphate it gives corresponding aldehyde.This reaction is called Rosenmund's reduction reaction. ★e.g when benzoyl chloride undergo Rosenmund's reaction it gives benzaldehyde.

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Answer:- The rate of disintegration of a radioactive substance at any instant of time is directly proportional to the number of atoms present at that instant of time. It is called law of Radioactivity

Answer:- For low atomic masses, as atomic mass increases binding energy per nucleon increases rapidly till it attains a maximum value. So the graph between binding energy per nucleon and mass number is

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