Question

\mathrm{CH_4(g})+2 \mathrm{O_2(g}) \longrightarrow \mathrm{CO_2(g})+2 \mathrm{H}_2 \mathrm{O(g})

According to the above chemical reaction, following information have been given.

(i) One mole of

\mathrm{CH}_4(\mathrm{g})

reacts with two moles of

\mathrm{O}_2(\mathrm{g})

to give one mole of

\mathrm{CO}_2(\mathrm{g})

and two moles of

\mathrm{H}_2 \mathrm{O}(\mathrm{g})

(ii) One molecule of

\mathrm{CH}_4(\mathrm{g})

reacts with 2 molecules of

\mathrm{O}_2(\mathrm{g})

to give one molecule of

\mathrm{CO}_2(\mathrm{g})

and 2 molecules of

\mathrm{H}_2 \mathrm{O}(\mathrm{g})

(iii)

22.7 \mathrm{~L}

of

\mathrm{CH}_4(\mathrm{g})

reacts with

45.4 \mathrm{~L}

of

\mathrm{O}_2

to give

22.7 \mathrm{~L}

of

\mathrm{CO}_2(\mathrm{g})

and

45.4 \mathrm{~L}

of

\mathrm{H}_2 \mathrm{O}(\mathrm{g})

(iv)

16 \mathrm{~g}

of

\mathrm{CH}_4(\mathrm{g})

reacts with

2 \times 32 \mathrm{~g}

of

\mathrm{O}_2(\mathrm{g})

to give

44 \mathrm{~g}

of

\mathrm{CO}_2(\mathrm{g})

and

2 \times 18 \mathrm{~g}

of

\mathrm{H}_2 \mathrm{O}(\mathrm{g})

From these information the correct interconversion should be

Accepted Answer

Mass $\rightleftharpoons$ moles $\rightleftharpoons$ number of molecules

Answer

Mass $\longrightarrow$ moles $\longrightarrow$ number of molecules

Answer

Mass $\longrightarrow$ moles $\rightleftharpoons$ number of molecules

Answer

Mass $=$ moles $=$ number of molecules

JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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