AP EAMCET · Chemistry · Chemical Kinetics
The reaction \(X \rightarrow\) products is a first order reaction. In 40 minutes, the concentration of \(X\) changes from \(1.0 \mathrm{M}\) to \(0.25 \mathrm{M}\). What is the initial rate of reaction when \([X]=0.1 \mathrm{M}\) ? \((\log 4=0.60)\)
- A \(1.73 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~min}^{-1}\)
- B \(3.47 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~min}^{-1}\)
- C \(1.73 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~min}^{-1}\)
- D \(3.45 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~min}^{-1}\)
Answer & Solution
Correct Answer
(D) \(3.45 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~min}^{-1}\)
Step-by-step Solution
Detailed explanation
Given, (concentration) \(a=1.0 \mathrm{M}, a-x=0.25 \mathrm{M}, t=40\) minutes For a first order reaction,…
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
- In which of the following oxides of three elements \(X, Y\) and \(Z\) are correctly arranged in the increasing order of acidic nature. The electronic configurations of \(X, Y\) and \(Z\) are \([\mathrm{Ne}] 3 s^2 3 p^1,[\mathrm{Ne}] 3 s^2 3 p^5\). [Ne] \(3 s^2\) respectivelyAP EAMCET 2022 Easy
- At \(25^{\circ} \mathrm{C}\), the molar conductances at infinite dilution for the strong electrolytes \(\mathrm{NaOH}, \mathrm{NaCl}\) and \(\mathrm{BaCl}_2\) are \(248 \times 10^{-4}, 126 \times 10^{-4}\) and \(280 \times 10^{-4} \mathrm{Sm}^2 \mathrm{~mol}^{-1}\) respectively, \(\lambda_m^{\circ} \mathrm{Ba}(\mathrm{OH})_2\) in \(\mathrm{Sm}^2 \mathrm{~mol}^{-1}\) isAP EAMCET 2009 Easy
- 248 g of ethylene glycol \(\left(\mathrm{C}_2 \mathrm{H}_6 \mathrm{O}_2\right)\) is added to 200 g of water to prepare antifreeze. What is the molality of resultant solution?
\((\mathrm{C}=12 \mathrm{u} ; \mathrm{H}=1 \mathrm{u} ; \mathrm{O}=16 \mathrm{u})\)AP EAMCET 2025 Easy - The increasing order of densities of the following alkyl halides is
1. \(n-\mathrm{C}_3 \mathrm{H}_7 \mathrm{Br}\)
II. \(n-\mathrm{C}_3 \mathrm{H}_7 \mathrm{Cl}\)
m. \(n-\mathrm{C}_3 \mathrm{H}_7 \mathrm{I}\)AP EAMCET 2020 Easy - The reaction of benzene diazonium chloride with Cu and HCl is known asAP EAMCET 2025 Easy
- Consider the following
Statement-I \(\quad:\) Both \(\mathrm{BeSO}_4\) and \(\mathrm{MgSO}_4\) are readily soluble in water.
Statement-II \(\quad\) : Among the nitrates of alkaline earth metals, only \(\mathrm{Be}\left(\mathrm{NO}_3\right)_2\) on strong heating gives its oxide, \(\mathrm{NO}_2\) and \(\mathrm{O}_2\).
The correct answer isAP EAMCET 2025 Medium
More PYQs from AP EAMCET
- A mercury drop of radius 1 cm is divided into \(10^6\) droplets of equal size. If surface tension of mercury is \(35 \times 10^{-3} \mathrm{Nm}^{-1}\), then the change in suface energy in the process isAP EAMCET 2025 Medium
- A satellite is revolving very close to a planet of density \(\rho\). The period of revolution of satellite isAP EAMCET 2014 Hard
- A thin flexible wire of length \(L\) is connected to two adjacent fixed points and carries a current \(I\) in the clockwise direction as shown. When the system is put in uniform magnetic field of strength \(B\) going into the plane of the paper, the wire take the shape of a circle. The tension in the wire, after acquiring the circular shape is
AP EAMCET 2021 Hard - If , thenAP EAMCET 2022 Hard
- If \(y=x \log \left(\frac{1}{a x}+\frac{1}{a}\right)\), then \(x(x+1) \frac{d^2 y}{d x^2}+x \frac{d y}{d x}-y=\)AP EAMCET 2023 Hard
- If \(\alpha\) is a non-real root of the equation \(x^6-1=0\), then \(\frac{\alpha^2+\alpha^3+\alpha^4+\alpha^5}{\alpha+1}\) is equal toAP EAMCET 2012 Easy