MCQ
Ethene gives with acidic $KMn{O_4}$ solution
- AEthylene glycol
- BEthylene oxide
- ✓Formaldehyde
- DAcetaldehyde
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| list $I$ (species) | list $II$ ( $O-N-O$ angle) |
| $(A)$ $NO_2^+$ | $(1)$ $180^o$ |
| $(B)$ $NO_2$ | $(2)$ $132^o$ |
| $(C)$ $NO_2^-$ | $(3)$ $120^o$ |
| $(D)$ $NO_3^-$ | $(4)$ $115^o$ |
| $(5)$ $109^o$ |
|
सूची-$I$ coordination compounds |
सूची-$II$ numbar of unpaired electrons |
| $A$ $\left[ Cr ( CN )_6\right]^{3-}$ | $I$ $0$ |
| $B$ $\left[ Fe \left( H _2 O \right)_6\right]^{2+}$ | $II$ $3$ |
| $C$ $\left[ Co \left( NH _3\right)_6\right]^{3+}$ | $III$ $2$ |
| $D$ $\left[ Ni \left( NH _3\right)_6\right]^{2+}$ | $IV$ $4$ |
Choose the correct answer from the options given below :-
| $[A_2]$ | $[B]$ | ${-d\,[A_2]/dt}$ |
| $0.1$ | $0.2$ | $1 \times {10^{ - 2}}\,M{s^{ - 1}}$ |
| $0.2$ | $0.2$ | $2 \times {10^{ - 2}}\,M{s^{ - 1}}$ |
| $0.2$ | $0.4$ | $8 \times {10^{ - 2}}\,M{s^{ - 1}}$ |
Order of reaction w.r.t. $A_2$ and $B$ are respectively