MCQ
Propan $-1-$ ol can be prepared from propene by
- A$H_2O/H_2SO_4$
- B$Hg(OAc)_2/H_2O$ followed by $NaBH_4$
- ✓$B_2H_6$ followed by $H_2O_2 / OH^\Theta $
- D$CH_3CO_2H/H_2SO_4$

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| Column $I$ | Column $II$ |
| $(A)$ $\mathrm{Cu}+$ dil $\mathrm{HNO}_3$ | $(p)$ NO |
| $(B)$ $\mathrm{Cu}+$ conc $\mathrm{HNO}_3$ | $(q)$ $\mathrm{NO}_2$ |
| $(C)$ $\mathrm{Zn}+$ dil $\mathrm{HNO}_3$ | $(r)$ $\mathrm{N}_2 \mathrm{O}$ |
| $(D)$ $\mathrm{Zn}+$ conc $\mathrm{HNO}_3$ | $(s)$ $\mathrm{Cu}\left(\mathrm{NO}_3\right)_2$ |
| $(t)$ $ \mathrm{Zn}\left(\mathrm{NO}_3\right)_2$ |


$(1)$ Denaturation of proteins causes loss of secondary and tertiary structures of the protein.
$(2)$ Denaturation leads to the conversion of double strand of $DNA$ into single strand.
$(3)$ Denaturation affects primary structure which gets distorted.