Chemistry
Select the correct word or formula from the same given in bracket :
- The substance reacted with conc. HCl and heated to prove that conc. HCl contains Cl2. [PbCl2/PbO2/PbO]
- The metal reacted with dil. HCl to prove that dil. HCl contains hydrogen. [Cu/Fe/Ag/Pb]
- The gas/es which is/are heavier than air and highly soluble in water. [NH3/HCl/CO2/H2S]
- The acid which is not an oxidizing agent. [Conc. HNO3 / Conc. HCl / Conc. H2SO4]
- The acid which is not a monobasic acid. [Acetic/Sulphurous/Hydrochloric/Nitric/Formic acid]
Hydrogen Chloride
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Answer
- The substance reacted with conc. HCl and heated to prove that conc. HCl contains Cl2. — PbO2
- The metal reacted with dil. HCl to prove that dil. HCl contains hydrogen. — Fe
- The gases which are heavier than air and highly soluble in water. — HCl and NH3
- The acid which is not an oxidizing agent. — Conc. HCl
- The acid which is not a monobasic acid. — Sulphurous acid
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Related Questions
Give reasons for the following :
Hydrogen chloride gas fumes in moist air but hydrogen sulphide gas does not.
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.
Select the correct words from the list given below to complete the following word equations :
Metallic oxide, active metal, metallic carbonate, metallic bisulphite, active metal, metallic hydroxide, metallic bicarbonate, metallic sulphate, metallic sulphide.
- …………… + hydrochloric acid (dil) ⟶ salt + hydrogen
- …………… + hydrochloric acid (dil) ⟶ salt + water
- …………… + hydrochloric acid (dil) ⟶ salt + water + carbon dioxide
- …………… + hydrochloric acid (dil) ⟶ salt + water + sulphur dioxide
- …………… + hydrochloric acid (dil) ⟶ salt + hydrogen sulphide