MCQ
Which of the following element is found in its native state?
- ASilver
- BGold
- CSodium
- ✓Both $(A)$ and $(B)$
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$0.48 + \log \left\{ { - \frac{{d[A]}}{{dt}}} \right\} = \log \left\{ { + \frac{{d[B]}}{{dt}}} \right\} + 0.7$
Then, $x : y$ is
| $List-I$ | $List-II$ |
| $A.$ Benzenesulphonyl chloride | $I.$ Test for primary amines |
| $B.$ Hoffmann bromamide reaction | $II.$ Anti Saytzeff |
| $C.$ Carbylamine reaction | $III.$ Hinsberg reagent |
| $D.$ Hoffmann orientation | $IV.$ Known reaction of Isocyanates. |
Choose the correct answer from the options given below.
At $t = 800\,s$, $[N_2O_5] = 1.45\,mol\,L^{-1}$
At $t = 1600\,s$, $[N_2O_5] = 0.88\,mol\,L^{-1}$