At&nbsp;<math><msup><mrow><mrow></mrow></mrow><mrow><mrow></mrow></mrow></msup></math> <math> <msup> <mrow> <mrow> <mn>35</mn> </mrow> </mrow> <mrow> <mrow> <mo>?</mo> </mrow> </mrow> </msup> <mi mathvariant="normal">C</mi> </math> , the vapour pressure of <math> <msub> <mrow> <mrow> <mi mathvariant="normal">C</mi> <mi mathvariant="normal">S</mi> </mrow> </mrow> <mrow> <mrow> <mn>2</mn> </mrow> </mrow> </msub> </math> <math><msub><mrow><mrow></mrow></mrow><mrow><mrow></mrow></mrow></msub></math>&nbsp;is&nbsp;<math><mtext></mtext></math> <math> <mn>512</mn> <mtext> </mtext> <mi mathvariant="normal">m</mi> <mi mathvariant="normal">m</mi> </math> of <math> <mi mathvariant="normal">H</mi> <mi mathvariant="normal">g</mi> </math> <math></math>&nbsp;and that of acetone is <math> <mn>344</mn> <mtext> </mtext> <mi mathvariant="normal">m</mi> <mi mathvariant="normal">m</mi> </math> <math><mtext></mtext></math>&nbsp;of <math> <mi mathvariant="normal">H</mi> <mi mathvariant="normal">g</mi> </math> <math></math>&nbsp;. A solution of <math> <msub> <mrow> <mrow> <mi mathvariant="normal">C</mi> <mi mathvariant="normal">S</mi> </mrow> </mrow> <mrow> <mrow> <mn>2</mn> </mrow> </mrow> </msub> </math> <math><msub><mrow><mrow></mrow></mrow><mrow><mrow></mrow></mrow></msub></math>&nbsp;in acetone has a total vapour pressure of <math> <mn>600</mn> <mtext> </mtext> <mi mathvariant="normal">m</mi> <mi mathvariant="normal">m</mi> </math> <math><mtext></mtext></math>&nbsp;of <math> <mi mathvariant="normal">H</mi> <mi mathvariant="normal">g</mi> </math> <math></math>&nbsp;. The false statement among the following is

<math> <msub> <mrow> <mrow> <mi mathvariant="normal">C</mi> <mi mathvariant="normal">S</mi> </mrow> </mrow> <mrow> <mrow> <mn>2</mn> </mrow> </mrow> </msub> </math> and acetone are less attracted to each other than to themselves

Heat must be absorbed in order to produce the solution at <math><msup><mrow><mrow></mrow></mrow><mrow><mrow></mrow></mrow></msup></math> <math> <msup> <mrow> <mrow> <mn>35</mn> </mrow> </mrow> <mrow> <mrow> <mo>∘</mo> </mrow> </mrow> </msup> <mi mathvariant="normal">C</mi> </math>

Raoult's law is not obeyed by this system

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Chemistry Solutions Chemistry Class 12th Solutions

At $^{}$ $35^{?} C$ , the vapour pressure of ${C S}_{2}$ $_{}$ is $512 m m$ of $H g$ and that of acetone is $344 m m$ of $H g$ . A solution of ${C S}_{2}$ $_{}$ in acetone has a total vapour pressure of $600 m m$ of $H g$ . The false statement among the following is

Option 1 -

${C S}_{2}$ and acetone are less attracted to each other than to themselves

Option 2 -

Heat must be absorbed in order to produce the solution at $^{}$ $35^{\circ} C$

Option 3 -

Raoult's law is not obeyed by this system

Option 4 -

A misxture of 100 ML CS2 and 100mL acetone has a volume of < 200mL

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Vishal Baghel | Contributor-Level 10

a month ago

Correct Option - 4

Detailed Solution:

The above mixture will show positive deviation from Raoult's law.

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At $^{}$ $35^{?} C$ , the vapour pressure of ${C S}_{2}$ $_{}$ is $512 m m$ of $H g$ and that of acetone is $344 m m$ of $H g$ . A solution of ${C S}_{2}$ $_{}$ in acetone has a total vapour pressure of $600 m m$ of $H g$ . The false statement among the following is

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At 35 ? C , the vapour pressure of C S 2 is 512 m m of H g and that of acetone is 344 m m of H g . A solution of C S 2 in acetone has a total vapour pressure of 600 m m of H g . The false statement among the following is

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At $^{}$ $35^{?} C$ , the vapour pressure of ${C S}_{2}$ $_{}$ is $512 m m$ of $H g$ and that of acetone is $344 m m$ of $H g$ . A solution of ${C S}_{2}$ $_{}$ in acetone has a total vapour pressure of $600 m m$ of $H g$ . The false statement among the following is