(C) The reaction is $2H_{2(g)} + O_{2(g)} \to 2H_2O$. $(i)$ At room temperature,$H_2O$ exists as a liquid and its volume is negligible. $H_2$ is the l

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$(i) \, 25 \, c.c., \, (ii) \, 75 \, c.c.$

(C) The reaction is $2H_{2(g)} + O_{2(g)} \to 2H_2O$. $(i)$ At room temperature,$H_2O$ exists as a liquid and its volume is negligible. $H_2$ is the limiting reagent ($50 \, mL$ of $H_2$ reacts with $25 \, mL$ of $O_2$). Remaining $O_2 = 50 - 25 = 25 \, mL$. Total volume of gas = $25 \, c.c.$ $(ii)$ At $110 \, ^oC$,$H_2O$ exists as a gas (steam). $2H_{2(g)} + O_{2(g)} \to 2H_2O_{(g)}$. Remaining $O_2 = 25 \, mL$,produced $H_2O_{(g)} = 50 \, mL$. Total volume of gas = $25 + 50 = 75 \, c.c.$

Class 11 Chemistry Some Basic Concepts of Chemistry Chemical equation and limiting reagent

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An electric discharge is passed through a mixture containing $50 \, c.c.$ of $O_2$ and $50 \, c.c.$ of $H_2$. The volume of the gases formed $(i)$ at room temperature and $(ii)$ at $110 \, ^oC$ will be

A
$(i) \, 25 \, c.c., \, (ii) \, 50 \, c.c.$
B
$(i) \, 50 \, c.c., \, (ii) \, 75 \, c.c.$
C
$(i) \, 25 \, c.c., \, (ii) \, 75 \, c.c.$
D
$(i) \, 75 \, c.c., \, (ii) \, 75 \, c.c.$

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Some Basic Concepts of Chemistry

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Chemical equation and limiting reagent

$A$ mixture containing $64.0 \ g$ of $H_2$ and $64.0 \ g$ of $O_2$ is reacted so that water is formed as follows:
$2H_2 + O_2 \rightarrow 2H_2O$
Which of the following statements is/are correct?

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During the process of fermentation,the number of moles of $CO_2$ liberated from one mole of glucose is

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Aluminium reacts with sulfuric acid to form aluminium sulfate and hydrogen. What is the volume of hydrogen gas in liters $(L)$ produced at $300 \ K$ and $1.0 \ atm$ pressure,when $5.4 \ g$ of aluminium and $50.0 \ mL$ of $5.0 \ M$ sulfuric acid are combined for the reaction?
(Use molar mass of aluminium as $27.0 \ g \ mol^{-1}, R = 0.082 \ atm \ L \ mol^{-1} \ K^{-1}$)

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When $20 \ g$ of $CaCO_3$ is treated with $20 \ g$ of $HCl$,the mass of $CO_2$ formed would be: (in $g$)

MediumAP EAMCET 2021

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In a reaction $A + B_2 \rightarrow AB_2$,identify the limiting reagent,if any,in the following reaction mixtures:
$(i)$ $300$ atoms of $A + 200$ molecules of $B_2$
$(ii)$ $2 \ mol \ A + 3 \ mol \ B_2$
$(iii)$ $100$ atoms of $A + 100$ molecules of $B_2$
$(iv)$ $5 \ mol \ A + 2.5 \ mol \ B_2$
$(v)$ $2.5 \ mol \ A + 5 \ mol \ B_2$

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An electric discharge is passed through a mixture containing $50 \, c.c.$ of $O_2$ and $50 \, c.c.$ of $H_2$. The volume of the gases formed $(i)$ at room temperature and $(ii)$ at $110 \, ^oC$ will be

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$A$ mixture containing $64.0 \ g$ of $H_2$ and $64.0 \ g$ of $O_2$ is reacted so that water is formed as follows: $2H_2 + O_2 \rightarrow 2H_2O$ Which of the following statements is/are correct?

During the process of fermentation,the number of moles of $CO_2$ liberated from one mole of glucose is

When $20 \ g$ of $CaCO_3$ is treated with $20 \ g$ of $HCl$,the mass of $CO_2$ formed would be: (in $g$)

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$A$ mixture containing $64.0 \ g$ of $H_2$ and $64.0 \ g$ of $O_2$ is reacted so that water is formed as follows:
$2H_2 + O_2 \rightarrow 2H_2O$
Which of the following statements is/are correct?