Life Sciences
2017 · Paper 1
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Complete GATE XL 2017 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 10–12 of 125. Imported answers require review unless explicitly marked reviewed.
Question 10
Open questionXL-PMCQ2 marksNeeds review
For a reaction A + B ⟶ products, the following data was obtained.
[A]₀ (M) | [B]₀ (M) | Initial rate |
|---|---|---|
0.1 | 0.1 | r |
0.2 | 0.1 | 4r |
0.1 | 0.2 | 2r |
A₀ and B₀ are initial concentrations of A and B, respectively. The overall order of the reaction is
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Open questionXL-PMCQ2 marksNeeds review
The EMF for the following cell at 298.15 K is
Ag(s) | Ag⁺(aq, 0.01 M) || Ag⁺(aq, 1.0 M) | Ag(s)
(Standard reduction potential for Ag⁺ + e⁻ → Ag is -0.80 V)
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 12
Open questionXL-PNAT2 marksNeeds review
One gram of a protein is dissolved in one liter of water. The resulting solution exerts an osmotic pressure of 1.4 Torr at 298 K. Assuming that the protein does not ionize in solution, the molecular weight of the protein is __________ g mol⁻¹. (R = 0.082 L atm mol⁻¹ K⁻¹)
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