Medium
In which of the following chemical equations,the abbreviations represent the correct states of the reactants and products involved at reaction temperature?
- A$2H_2(g) + O_2(g) \rightarrow 2H_2O(l)$
- B$2H_2(g) + O_2(l) \rightarrow 2H_2O(l)$
- C$2H_2(g) + O_2(g) \rightarrow 2H_2O(g)$
- D$2H_2(l) + O_2(l) \rightarrow 2H_2O(g)$
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Similar Questions
Identify the reducing agent in the following reactions:
$(a)$ $4 NH_{3} + 5 O_{2} \longrightarrow 4 NO + 6 H_{2}O$
$(b)$ $H_{2}O + F_{2} \longrightarrow HF + HOF$
$(c)$ $Fe_{2}O_{3} + 3 CO \longrightarrow 2 Fe + 3 CO_{2}$
$(d)$ $2 H_{2} + O_{2} \longrightarrow 2 H_{2}O$
$(a)$ $4 NH_{3} + 5 O_{2} \longrightarrow 4 NO + 6 H_{2}O$
$(b)$ $H_{2}O + F_{2} \longrightarrow HF + HOF$
$(c)$ $Fe_{2}O_{3} + 3 CO \longrightarrow 2 Fe + 3 CO_{2}$
$(d)$ $2 H_{2} + O_{2} \longrightarrow 2 H_{2}O$
Medium
View Solution$(a)$ Why is the corrosion of iron a serious problem?
$(b)$ How can we prevent corrosion?
$(b)$ How can we prevent corrosion?
Easy
View SolutionGive reasons for the following:
$(i)$ All decomposition reactions are endothermic reactions.
$(ii)$ Colour of copper sulphate solution changes when an iron nail is dipped in it.
$(iii)$ Respiration is an exothermic reaction.
$(i)$ All decomposition reactions are endothermic reactions.
$(ii)$ Colour of copper sulphate solution changes when an iron nail is dipped in it.
$(iii)$ Respiration is an exothermic reaction.
Medium
View SolutionGive reason why:
$(i)$ Sodium acts as a reducing agent while chlorine acts as an oxidising agent in the following reaction:
$2 Na (s) + Cl_2 (g) \rightarrow 2 NaCl (s)$
$(i)$ Sodium acts as a reducing agent while chlorine acts as an oxidising agent in the following reaction:
$2 Na (s) + Cl_2 (g) \rightarrow 2 NaCl (s)$
Medium
View SolutionWrite a balanced chemical equation for the process of photosynthesis and the conditions of the reaction,including the physical states of all the substances.
Medium
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