Use the table above to answer this question .The least reactive element is

When the two end alkyl groups ethyl ethanoate are interchange, the compound formed is known as

An organic compound that does not undergo a reaction with both hydrogen cyanide and hydroxylamine can be

2-methylprop-1-ene is an isomer of

POlyvinyl chloride is used to produce

When excess ethanol is heated to 145oC in the presence of concentrated H2SO4, the product is

Which of the following is a solvent for perfumes?

What properties of duralumin make it more useful than its constituent metals?

The pair of metals in the reactivity series that are usually extracted by the electrolysis of their ores is