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Inversion of sucrose (C12H22O11) is a first order reaction and is studied by measuring angle of rotation at different interval of time
r0 = angle of rotation at the start, rt = angle of rotation at time t
r = angle of rotation at the complete reaction
There is 50% inversion, when
  • a)
    r0 = 2rt - r
  • b)
    r0 = rt - r
  • c)
    r0 = rt - 2r
  • d)
    r0 = rt + r
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Inversion of sucrose (C12H22O11) is a first order reaction and is stud...
r0 = rotation at the start, rt = rotation at time t
r = rotation at the end then (r - r0) = a and (r - rt) = (a - x)
When 50% inversion has taken place

∴  2 (a - x) = a
2(r - rt) = r - r0
2r - 2rt = r - r0
∴  r0 = (2rt - r)
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Most Upvoted Answer
Inversion of sucrose (C12H22O11) is a first order reaction and is stud...
r0 = rotation at the start, rt = rotation at time t
r = rotation at the end then (r - r0) = a and (r - rt) = (a - x)
When 50% inversion has taken place

∴  2 (a - x) = a
2(r - rt) = r - r0
2r - 2rt = r - r0
∴  r0 = (2rt - r)
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Community Answer
Inversion of sucrose (C12H22O11) is a first order reaction and is stud...
Answer is option a
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Read the passage given below and answer the following questions:The rate of a reaction, which may also be called its velocity or speed, can be defined with relation to the concentration of any of the reacting substances, or to that of any product of the reaction. If the species chosen is a reactant which has a concentration c at time t the rate is - dc/dt, while the rate with reference to a product having a concentration x at time t is dx/dt. Any concentration units may be used for expressing the rate; thus, if moles per liter are employed for concentration and seconds for the time, the units for the rate are moles litre–1sec–1. For gas reactions pressure units are sometimes used in place of concentrations, so that legitimate units for the rate would be (mm. Hg) sec–1 and atm. sec–1 The order of a reaction concerns the dependence of the rate upon the concentrations of reacting substances; thus, if the rate is found experimentally to be proportional to the ath power of the concentration of one of the reactants A, to the both power of the concentration of a second reactant B, and so forth, via., rate = k CAα CAβ the over-all order of the reaction is simply n = α + β + ----- (2) Such a reaction is said to be of the αth order with respect to the substance A, the βth order with respect to B.In the following questions, a statement of Assertion followed by a statement of Reason is given. Choose the correct answer out of the following choices on the basis of the above passage.Assertion: Reactions can occur at different speeds.Reason: Rate of reaction is also called speed of reaction.

Inversion of sucrose (C12H22O11) is a first order reaction and is studied by measuring angle of rotation at different interval of timer0 = angle of rotation at the start, rt = angle of rotation at time tr∞ = angle of rotation at the complete reactionThere is 50% inversion, whena)r0= 2rt- r∞b)r0= rt- r∞c)r0= rt- 2r∞d)r0= rt+ r∞Correct answer is option 'A'. Can you explain this answer?
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Inversion of sucrose (C12H22O11) is a first order reaction and is studied by measuring angle of rotation at different interval of timer0 = angle of rotation at the start, rt = angle of rotation at time tr∞ = angle of rotation at the complete reactionThere is 50% inversion, whena)r0= 2rt- r∞b)r0= rt- r∞c)r0= rt- 2r∞d)r0= rt+ r∞Correct answer is option 'A'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Inversion of sucrose (C12H22O11) is a first order reaction and is studied by measuring angle of rotation at different interval of timer0 = angle of rotation at the start, rt = angle of rotation at time tr∞ = angle of rotation at the complete reactionThere is 50% inversion, whena)r0= 2rt- r∞b)r0= rt- r∞c)r0= rt- 2r∞d)r0= rt+ r∞Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Inversion of sucrose (C12H22O11) is a first order reaction and is studied by measuring angle of rotation at different interval of timer0 = angle of rotation at the start, rt = angle of rotation at time tr∞ = angle of rotation at the complete reactionThere is 50% inversion, whena)r0= 2rt- r∞b)r0= rt- r∞c)r0= rt- 2r∞d)r0= rt+ r∞Correct answer is option 'A'. Can you explain this answer?.
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