Please describe the lab preparation of hydrogen.
In a Woulf's Bottle; fitted with Thistle funnel and delivery tube, take few grams of granulated Zinc. Pour dil. H2SO4over the granulated Zinc through Thistle funnel. Dil. H2SO4reacts with Zinc to liberate H2gas, as shown in the reaction below:
dil. H2SO4+ Zn ―> ZnSO4+ H2(gas)
Collect the liberated H2gas in an inverted tube placed in shelf containing water as shown in the fig.