Q53. When $\Delta \mathrm { H } _ { \text {vap } } = 30 \mathrm {~kJ} / \mathrm { mol }$ and $\Delta \mathrm { S } _ { \text {vap } } = 75 \mathrm {~J} \mathrm {~mol} ^ { - 1 } \mathrm {~K} ^ { - 1 }$, then the temperature of vapour, at one atmosphere is $\_\_\_\_$ K. Q54. [Figure] In the given TLC, the distance of spot $\mathrm { A } \& \mathrm {~B}$ are $5 \mathrm {~cm} \& 7 \mathrm {~cm}$, from the bottom of TLC plate, respectively. $\mathrm { R } _ { \mathrm { f } }$ value of B is $x \times 10 ^ { - 1 }$ times more than A . The value of $x$ is $\_\_\_\_$ .
Q53. When $\Delta \mathrm { H } _ { \text {vap } } = 30 \mathrm {~kJ} / \mathrm { mol }$ and $\Delta \mathrm { S } _ { \text {vap } } = 75 \mathrm {~J} \mathrm {~mol} ^ { - 1 } \mathrm {~K} ^ { - 1 }$, then the temperature of vapour, at one atmosphere is $\_\_\_\_$ K.
Q54.\\
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In the given TLC, the distance of spot $\mathrm { A } \& \mathrm {~B}$ are $5 \mathrm {~cm} \& 7 \mathrm {~cm}$, from the bottom of TLC plate, respectively. $\mathrm { R } _ { \mathrm { f } }$ value of B is $x \times 10 ^ { - 1 }$ times more than A . The value of $x$ is $\_\_\_\_$ .