MCQ
If the enolate ion combines with carbonyl group of ester, we get
- AAldol
- B$\alpha ,\,\beta $-unsaturated ester
- ✓$\beta $-keto aldehyde
- DAcid

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complete $\frac{2}{3} ^{rd}$. If the value of rate constant is $4.3 \times 10^{-4}$

${\left[ {Fe{{\left( {CN} \right)}_6}} \right]^{ - 4}}\xrightarrow{{MnO_4^ - /{H^ + }}}F{e^{ + 3}} + C{O_2} + NO_3^ - $
| List-I Alkali Metal | List-II Emission Wavelength in nm | ||
| (A) | Li | (I) | 589.2 |
| (B) | Na | (II) | 455.5 |
| (C) | Rb | (III) | 670.8 |
| (D) | Cs | (IV) | 780.0 |
Reason : $Zn$ is deposited at anode, and $Cu$ is deposited at cathode.