JEE Mains · Chemistry · STD 11 - 5. Thermodynamics and thermochemistry
The true statement amongst the following is
- A Both \(\Delta S\) and \(S\) are functions of temperature.
- B \(S\) is not a function of temperature but \(\Delta \mathrm{S}\) is a function of temperature.
- C Both \(\mathrm{S}\) and \(\Delta \mathrm{S}\) are not functions of temperature.
- D \(S\) is a function of temperature but \(\Delta \mathrm{S}\) is not a function of temperature.
Answer & Solution
Correct Answer
(A) Both \(\Delta S\) and \(S\) are functions of temperature.
Step-by-step Solution
Detailed explanation
\(\mathrm{ds}=\int \frac{\mathrm{q}_{\mathrm{rev}}}{\mathrm{T}}\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- The species given below that does NOT show disproportionation reaction is :JEE Mains 2021 Hard
- Number of ambidentate ligands among the following is _______.
\(NO _2^{-}, SCN ^{-}, C _2 O _4^{2-}, NH _3, CN ^{-}, SO _4^{2-}, H _2 O\).JEE Mains 2024 Medium - The number of non-ionisable hydrogen atoms present in the final product obtained from the hydrolysis of \(\mathrm{PCl}_{5}\) is :JEE Mains 2021 Medium
- For \(OF _2\) molecule consider the following: \((A)\) Number of lone pairs on oxygen is 2 . \((B)\) \(FOF\) angle is less than \(104.5^{\circ}\). \((C)\) Oxidation state of \(O\) is \(-2\). \((D)\) Molecule is bent ' \(V\) ' shaped. \((E)\) Molecular geometry is linear. Correct options are:JEE Mains 2023 Medium
- Consider the above reaction sequence and identify the major product \(P\).
JEE Mains 2024 Medium - The resistance of a conductivity cell with cell constant \(1.14 \,\mathrm{~cm}^{-1}\), containing \(0.001\, \mathrm{M}\, \mathrm{KCl}\) at \(298\, \mathrm{~K}\) is \(1500 \,\Omega\). The molar conductivity of \(0.001\, \mathrm{M}\, \mathrm{KCl}\) solution at \(298\, \mathrm{~K}\) in \(\mathrm{S} \,\mathrm{cm}^{2}\, \mathrm{~mol}^{-1}\) is ...... . (Integer answer)JEE Mains 2021 Easy
More PYQs from JEE Mains
- Suppose that the angular velocity of rotation of earth is increased. Then, as a consequence.JEE Mains 2018 Medium
- Let
\(\mathrm{f}(x)=\left\{\begin{array}{lc}3 x, & x \lt 0 \\ \min \{1+x+[x], x+2[x]\}, & 0 \leq x \leq 2 \\ 5, & x\gt2,\end{array}\right.\)
where [.] denotes greatest integer function. If \(\alpha\) and \(\beta\) are the number of points, where f is not continuous and is not differentiable, respectively, then \(\alpha+\beta\) equals __________JEE Mains 2025 Hard - The transition element that has lowest enthalpy of atomisation isJEE Mains 2019 Easy
- If the coefficient of \(x ^{10}\) in the binomial expansion of \(\left(\frac{\sqrt{x}}{5^{\frac{1}{4}}}+\frac{\sqrt{5}}{x^{\frac{1}{3}}}\right)^{60}\) is \(5^{ k } l\), where \(l, k \in N\) and \(l\) is coprime to \(5\) , then \(k\) is equal toJEE Mains 2022 Hard
- Let \(A\) and \(B\) be any two \(3 \times 3\) symmetric and skew symmetric matrices respectively. Then which of the following is \(NOT\) true?JEE Mains 2022 Medium
- An electron revolves around an infinite cylindrical wire having uniform linear change density \(2 \times 10^{-8}\,Cm ^{-1}\) in circular path under the influence of attractive electrostatic field as shown in the figure. The velocity of electron with which it is revolving is \(.........\times 10^6\,ms ^{-1}\). Given mass of electron \(=9 \times 10^{-31}\,kg\)
JEE Mains 2023 Medium