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प्रश्न
What is the function of HCI in preparation of aqua-regia?
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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.
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संबंधित प्रश्न
Complete the following by selecting the correct option from the choices given:
The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is _________. (Al/Cu/Zn/Fe)
State your observations when Dilute Hydrochloric acid is added to Sodium thiosulphate.
The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide
Write a balanced equation for the action of dilute hydrochloric acid on sodium sulphide.
State your observation When moist starch iodide paper is introduced into chlorine gas.
Write an equation for the reaction of hydrochloric acid on the silver nitrate solution.
Convert two soluble metallic nitrates to insoluble metallic chlorides using dil. HCl.
State which component is the oxidizing agent in aqua regia.
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron (II) sulphide
Write an equation for the reaction of hydrochloric acid on manganese (IV) oxide.
