How many molecules of methy1 bromide should react with ethylamine successively to convert the latter into a quaternary ammonium salt ? .

How many molecules of phenylhydrazine react with glucose to present osazone?

How many moles of methyl iodide are required to convert ethylamine, diethyl amine and triethylamine into quaternary salt, respectively?

How many water molecules present in Epsom salt.

How many molecules are present in 1 kg of hydrogen ?

How many moles of ethyl chloride should be reacted with sodium in the presence of dry ether in order to obtain 1.12 litres of butane at STP?

How many moles of ethyl chloride should be reacted with sodium in the presence of dry ether in order to obtain 1.12 litres of butane at STP?