Chemistry
Give reasons for the following :
Hydrogen chloride gas fumes in moist air but hydrogen sulphide gas does not.
Related Questions
Give reasons for the following :
In the fountain experiment to demonstrate the high solubility of HCl gas in water, dry HCl gas is filled in the round bottom flask.
Give reasons for the following :
Iron sheets are cleaned with hydrochloric acid before dipping into molten zinc for galvanizing.
Complete the statements given below using the correct word/s
- An aqueous solution of HCl gas is named …………… [aqua fortis / muriatic acid / oil of vitriol]
- The salt obtained when rock salt reacts with conc. H2SO4 at temperatures below 200°C is a/an …………… [acid/normal] salt.
- In the preparation of HCl acid from HCl gas, a funnel arrangement provides …………… [less/more] surface area for absorption of the gas.
- The ions which impart acidic properties to an aqueous solution of hydrogen chloride are …………… [chloride/hydrogen/hydronium]
- The indicator which does not change colour on passage of hydrogen chloride gas is …………… [moist blue litmus / phenolphthalein / methyl orange].
Choose from the letters A, B, C, D and E, to match the descriptions 1 to 5 given below.
A : NH4Cl
B : AgCl
C : PbCl2
D : FeCl2
E : Ag(NH3)2Cl- A soluble salt obtained on reaction of a metallic chloride with liquor ammonia.
- A salt which is insoluble in dilute nitric acid but soluble in ammonium hydroxide.
- A salt obtained on reaction of an active metal with hydrogen chloride gas.
- A salt obtained when a basic gas reacts with hydrogen chloride gas.
- A salt soluble in hot water but not in cold, obtained on heating an oxidising agent with conc. HCl.