MHT CET 2021 24th September Morning Shift | MHT CET Year Wise Previous Years Questions

$$\mathrm{R}-\mathrm{CO}-\mathrm{R} \xrightarrow[\text { KoH, ethylene glycol }]{\mathrm{NH}_2-\mathrm{NH}_2, \Delta} \mathrm{R}-\mathrm{CH}_2-\mathrm{R}$$

$$\mathrm{R}-\mathrm{CHO} \xrightarrow[\Delta]{\mathrm{Zn}-\mathrm{Hg} / \text { conc. } \mathrm{HCl}} \mathrm{R}-\mathrm{CH}_3+\mathrm{H}_2 \mathrm{O}$$

$$\mathrm{R}-\mathrm{CO}-\mathrm{Cl} \xrightarrow[\text { Pd- } \mathrm{BaSO}_4]{\mathrm{H}_2} \mathrm{R}-\mathrm{CHO}+\mathrm{HCl}$$

$$\mathrm{R}-\mathrm{CN} \xrightarrow[\mathrm{H}_3 \mathrm{O}^{+}]{\mathrm{SnCl}_2 / \mathrm{Cl}} \mathrm{R}-\mathrm{CHO}+\mathrm{NH}_4 \mathrm{Cl}$$

MHT CET 2021 24th September Morning Shift

MCQ (Single Correct Answer)

-0

Which element from following combines with hydrogen to form compound having lowest acidic strength?

MHT CET 2021 24th September Morning Shift

MCQ (Single Correct Answer)

-0

If decomposition of hydrogen peroxide is a first order reaction, it's rate law equation can be represented as

$$\mathrm{r}=\frac{\mathrm{k}}{\left[\mathrm{H}_2 \mathrm{O}_2\right]}$$

$$\mathrm{r}=\mathrm{k}\left[\mathrm{H}_2 \mathrm{O}_2\right]$$

$$\mathrm{r}=\mathrm{k} \frac{\left[\mathrm{H}_2 \mathrm{O}\right]\left[\mathrm{O}_2\right]^{1 / 2}}{\left[\mathrm{H}_2 \mathrm{O}_2\right]}$$

$$\mathrm{r}=\mathrm{k} \frac{\left[\mathrm{H}_2 \mathrm{O}_2\right]}{\left[\mathrm{H}_2 \mathrm{O}_2\right]\left[\mathrm{O}_2\right]^{1 / 2}}$$

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