Advertisements
Advertisements
प्रश्न
What is the function of HCI in preparation of aqua-regia?
Advertisements
उत्तर
HCI dissolves noble metals like gold and platinum. HCI with HNO3 reacts to produce nascent chlorine which reacts with gold, platinum etc. to form their respective chiorides.
APPEARS IN
संबंधित प्रश्न
Dry hydrogen chloride gas can be collected by ________ displacement of air. (downward / upward)
For the preparation of hydrochloric acid in the laboratory:
What arrangement is done to dissolve hydrogen chloride gas in water?
Explain why anhydrous HCl is a poor conductor while aqueous HCl is an excellent conductor.
Write an equation for the reaction of aqueous hydrochloric acid on lead nitrate solution.
Write an equation for the reaction of hydrochloric acid on copper oxide.
How will the action of dilute hydrochloric acid enable you to distinguish between sodium carbonate and sodium sulphite?
Give three distinct test [apart from using an indicator] you would carry out with solution of HCl to illustrate the typical properties of an acid.
Convert two soluble metallic nitrates to insoluble metallic chlorides using dil. HCl.
Write balanced equcation for the following reaction:
Manganese (IV) oxide and concentrated hydrochloric acid.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
