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IIT JEE 2006 Paper : CHEMISTRY Section III - Comprehension Passage 2

Each comprehension passage contains 3 questions.
Each question below has only one correct answer.
In the IIT-JEE, you will be awarded 5 marks for each correct answer and −2 for each incorrect answer.
You will be awarded 0 marks for not attempting a question.

Tollens' reagent is used for the detection of aldehydes. When glucose and NH4OH are added to a solution of AgNO3 gluconic acid is formed. Use the following data to answer the questions.
Ag + + e → Ag ,   E1° = 0.80 V;
C6H12O6 + H2O → C6H12O7 + 2H + + 2e , E2° = − 0.05 V;
[Ag(NH3)2] + + e → Ag(s) + 2NH3 , E3° = 0.373 V
2.303RT / F = 0.0591.

Quiz Review
Multiple choice

Your Performance  

What is the value of lnK °, where K ° is the equlibrium constant of the reaction
C6H12O6 + 2Ag + + H2O → C6H12O7 + 2H + + Ag(s)

  68.7

  25.4

  58.4

  118.1

  Half-n-half Clue



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