MCQ
Which among the following aldehydes is most reactive towards nucleophilic addition reactions?
- ✓
- B
- C
- D
✓
Answer
Correct option: A.
a
(Image)has low steric hindrance at carbonyl
(Image)has low steric hindrance at carbonyl
carbon and high partial positive charge at carbonyl carbon.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A metal surface of $100\,cm ^2$ area has to be coated with nickel layer of thickness $0.001 \,mm$. A current of $2\,A$ was passed through a solution of $Ni \left( NO _3\right)_2$ for ' $x$ ' seconds to coat the desired layer. The value of $x$ is $.........$. (Nearest integer)
→( $\rho_{ Ni }$ (density of Nickel) is $10 \,gmL ^{-1}$, Molar mass of Nickel is $60\,gmol ^{-1} F =96500\,C\,mol ^{-1}$ )
The bromination of acetone that occurs in acid solution is represented by this equation.
→$CH_3COCH_{3(aq)} + Br_{2(aq)} \rightarrow $$CH_3COCH_2Br_{(aq)} + H^+_{(aq)}+ Br^-_{(aq)}$
These kinetic data were obtained for given reaction concentrations.
Initial concentrations, $M$
| $[CH_3COCH_3]$ | $[Br_2]$ | $[H^+]$ |
| $0.30$ | $0.05$ | $0.05$ |
| $0.30$ | $0.10$ | $0.05$ |
| $0.30$ | $0.10$ | $0.10$ |
| $0.40$ | $0.05$ | $0.20$ |
Initial rate, disappearance of $Br_2, \,\,Ms^{-1}$
$5.7 \times 10^{-5} ,$ $5.7 \times 10^{-5} ,$ $1.2 \times 10^{-5} ,$ $3.1 \times 10^{-5}$
Based on these data, the rate equation is
Which of the following substance at as a flouronating agent ?
Misch metal an alloy of
The properties of a compound are:
Methyl alcohol can be distinguished from ethyl alcohol using
Which of the following reactions produce the same product ?
The molarity of pure water is
Which of the following oxidation reactions can be carried out with chromic acid in aqueous acetone at $5 - {10\,^o}C$
→ $A + B \to $ products, it is found that the rate of the reaction is proportional to the concentration of $A,$ but it is independent of the concentration of $B$, then
→