Given (i) C (graphite) + O₂(g) → CO₂(g); Δ rH ^Θ = x kJ mol⁻¹ (ii) C(graphite) + 1/2 O₂(g) → CO(g); Δ rH ^Θ = y kJ mol⁻¹ (iii) CO(g) + 1/2 O₂(g) → CO₂(g); Δ rH ^Θ = z kJ mol⁻¹ Based on the above thermochemical equations, find out which one of the following algebraic relationships is correct?

Chemical Thermodynamics: JEE Main 2019 Chemistry question

JEE Main 2019 · 12 Jan, Evening shift · Q2352

JEE Main 201912 Jan, Evening shiftChemistryMediumChemical Thermodynamics84× since 2002

Given (i) C (graphite) + O₂(g)

\to

CO₂(g);

\Delta

^\Theta

= x kJ mol^

-

1 (ii) C(graphite) +

{1 \over 2}

O₂(g)

\to

CO(g);

\Delta

^\Theta

= y kJ mol^

-

1 (iii) CO(g) +

{1 \over 2}

O₂(g)

\to

CO₂(g);

\Delta

^\Theta

= z kJ mol^

-

1 Based on the above thermochemical equations, find out which one of the following algebraic relationships is correct?

JEE Main 2019 Chemical Thermodynamics Question with Solution (12 Jan Evening shift, Q2352) | JEE Arc

JEE Main 2019 · 12 Jan, Evening shift · Q2352

JEE Main 201912 Jan, Evening shiftChemistryMediumChemical Thermodynamics84× since 2002

Given (i) C (graphite) + O₂(g)

\to

CO₂(g);

\Delta

^\Theta

= x kJ mol^

-

1 (ii) C(graphite) +

{1 \over 2}

O₂(g)

\to

CO(g);

\Delta

^\Theta

= y kJ mol^

-

1 (iii) CO(g) +

{1 \over 2}

O₂(g)

\to

CO₂(g);

\Delta

^\Theta

= z kJ mol^

-

1 Based on the above thermochemical equations, find out which one of the following algebraic relationships is correct?