The polarimeter readings in an experiment to measure the inversion of cane sugar were as follows Time (minutes)030∞Rotation due to solution (degree)3020- 15 Given [log2=0.3,log3=0.48log7=0.84 ] Identify the correct statements

The half life of the reaction is 75 minutes , The solution is optically inactive at 120 minutes

K = 2.303 t log ( r ∞ − r 0 r ∞ − r t )

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The polarimeter readings in an experiment to measure the inversion of cane sugar were as follows
Time (minutes)
0
30
$\infty$
Rotation due to solution (degree)
30
20
- 15
Given
$[\begin{matrix} \log 2 = 0.3, & \log 3 = 0.48 \\ \log 7 = 0.84 \end{matrix}]$
Identify the correct statements

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The half life of the reaction is 75 minutes

The half life of the reaction is 60 minutes

The solution is optically inactive at 120 minutes

The solution is optically inactive at 90 minutes

answer is A, C.

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$K = \frac{2.303}{t} \log (\frac{r_{\infty} - r_{0}}{r_{\infty} - r_{t}})$

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Time (minutes)	0	30	$\infty$
Rotation due to solution (degree)	30	20	- 15