When S0₂ gas is passed through saturated solution of H₂S, which of the following reaction occurs?
(a) $SO_2 + 2H_2S → 2H_20 + 3S$
(b) $SO_2 + 2H_2S → H_20 + 3S$
(c) $SO_2 + H_2S → H_2O + S$
(d) $SO_2 + H_2O → SO_3 + H_2$

Academic Chemistry NCERT Class 10

Correct Answer: (a) $SO_2 + 2H_2S → 2H_20 + 3S$

Explanation: When SO₂ gas is passed through saturated solution of H₂S, the following reaction occurs: $SO_2 + 2H_2S → 2H_20 + 3S↓$

Tutorialspoint

Updated on: 10-Oct-2022

27 Views

When SO2 gas is passed through saturated solution of H2S, the following reaction occurs:SO2 + 2H2S -----> 2H2O + 3S In this reaction, which substance is oxidised and which one is reduced?
To find out the concentration of $SO_2$ in the air (in parts per million ,i.e., ppm), the data was collected for 30 localities in a certain city and is presented below:Concentration of $SO_2$ (in ppm)Frequency0.00-0.0440.04-0.0890.08-0.1290.12-0.1620.16-0.2040.20-0.242Find the mean concentration of $SO_2$ in the air.
Which of the following represents the saponification reaction?(a) $CH_3COONa + NaOH → CH_4 + Na_2CO_3$(b) $CH_3COOH + C_2H_5OH → CH_3COOC_2H_5 +H_2O$(c) $2CH_3COOH + 2Na → 2CH_3COONa + H_2$(d)$CH_3COOC_2H_5 + NaOH → CH_3COONa + C_2 H_5OH$
Complete and balance the following equations:(a) $Na + O_2 →$(b) $Na_2O + H_2O →$(c) $Fe(s) + H_2O(g) \xrightarrow{red hot}$(d) $Cu(NO_3)(aq) + Zn →$
Which of the following is a displacement reaction?(a) $MgCO_3 \rightarrow MgO + CO_2$ (b) $2Na + 2H_20 \rightarrow 2NaOH + H_2$ (c) $2H_2 + O_2 \rightarrow 2H_2O$ (d) $2Pb(NO_3)_2 \xrightarrow{heat} 2PbO + 4NO_2 +O_2$
Identify A" in the following reaction: $CH_3COOH + Na_2CO_3 \rightarrow A + CO_2 +H_2O$ CH3COONaCH2(Na) COOHNaOHNaHCO3"
Complete and balance the following chemical equations :(i) $NaOH(aq) + Zn(s)\rightarrow$(ii) $CaCO_3(s) + H_2O(l) + CO_2(g)\rightarrow$(iii) $HCl(aq) + H_2O(l) \rightarrow$
Explain what happens when a beam of light is passed through a colloidal solution.
When hydrogen sulphide gas is passed through a blue solution of copper sulphate, a black precipitate of copper sulphide is obtained and the sulphuric acid so formed remains in the solution. The reaction is an example of a :Combination reactionDisplacement reactionDecomposition reactionDouble displacement reaction
Solve the following equations:$(a).\ 10p=100$$(b).\ 10p+10=100$$(c).\ \frac{p}{4}=5$$(d).\ \frac{-p}{3}=5$$(e).\ \frac{3p}{4}=6$$(f).\ 3s=-9$$(g).\ 3s+12=0$$(h).\ 3s=0$$(i).\ 2q=6$$(j).\ 2q-6=0$$(k).\ 2q+6=0$$(l).\ 2q+6=12$
A red-brown metal X forms a salt XSO4. When hydrogen sulphide gas is passed through an aqueous solution of XSO4, then a black precipitate of XS is formed along with sulphuric acid solution.(a) What could the salt XSO4 be?(b) What is the colour of salt XSO4?(c) Name the black precipitate XS.(d) By using the formula of the salt obtained in (a) above, write an equation of the reaction which takes place when hydrogen sulphide gas is passed through its aqueous solution.(e) What type of chemical reaction takes place in this case?
Explain the following giving examples:(a) Saturated solution(b) Pure substance(c) Colloid(d) Suspension
Select the oxidising agent for the following reaction:$H_2S + I_2 \rightarrow 2HI + S$
Calcium oxide reacts vigorously with water to produce slaked lime.$CaO(s) + H_20 (l) \rightarrow Ca(OH)_2(aq)$This reaction can be classified as :(A) Combination reaction (B) Exothermic reaction (C) Endothermic reaction (D) Oxidation reactionWhich of the following is a correct option? (a) (A) and (C) (b) (C) and (D) (c) (A), (C) and (D) (d) (A) and (B)
(a) Give one example of a chemical reaction.(b) State two characteristics of the chemical reaction which takes place when dilute sulphuric acid is poured over zinc granules. (c) Give two characteristics of the chemical reaction which occurs on adding potassium iodide solution to lead nitrate solution.

Kickstart Your Career

Get certified by completing the course

Get Started

Advertisements