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Chemistry – Class 12 Practice Test 2


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. For the reaction C2H5COOC2H5 + H2O → C2H5COOH + C2H5OH, find the concentration of [C2H5COOC2H5] if the rate constant k=0.2 and the rate of the reaction is 0.39 s-1.

2. Calculate the e.m.f. of the half-cell given below.
Pt, H2 | HCl at 1-atmosphere pressure and 0.1 M. Given, E°(OP) = 2 V.

3. Which of the following statements is correct?

4. The rate of a reaction depends on the temperature.

5. The electrode on which oxidation occurs is called the anode. True or False?

6. For a pseudo first-order reaction, what is the unit of the rate of the reaction?

7. A first-order reaction was 70 percent complete in 20 minutes. What is the rate constant of the reaction?

8. What is the rate law of hydrolysis of CH3COOC2H5 in aqueous solution?

9. What is the rate law for acid hydrolysis of an ester such as CH3COOC2H5 in aqueous solution?

10. Which of the following is used as an anode in a dry cell?


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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