MCQ
Carbonyl compounds undergo nucleophilic addition because of
- Aelectronegativity difference of carbon and oxygen atoms
- Belectromeric effect
- ✓more stable anion with negative charge on oxygen atom and less stable carbonium ion
- Dnone of the above
✓
Answer
Correct option: C.
more stable anion with negative charge on oxygen atom and less stable carbonium ion
c
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
→→→→→
The oxoanion which contains all equivalent $M-O$ bond is
→$(I)$ $CrO_4^{2-}$
$(II)$ $MnO_4^-$
$(III)$ $Cr_2O_7^{2-}$ ?
A radioactive element has a half life of $200\, days.$ The percentage of original activity remaining after $83\, days$ is $....$ (Nearest integer)
→(Given : antilog $0.125=1.333$, antilog $0.693=$ 4.93)
The following bimolecular elimination reaction $(E_2)$ is carried out with different halogen leaving groups. The per cent yield of the two products ($2$ -hexene and $1$-hexene) for each leaving group is listed below.
→| Leaving group | Conj. Acid $pK_a$ | $\%$ -yield of $2$-hexene | $\%$ -yield of $1$ -hexene |
| $X = I$ | $- 10$ | $81\%$ | $19\%$ |
| $X = Br$ | $-9$ | $72\%$ | $28\%$ |
| $X = Cl$ | $-7$ | $67\%$ | $33\%$ |
| $X = F$ | $3.2$ | $30\%$ | $70\%$ |
Which of the following statement is (are) true concerning this series of $E_2$ reactions ?
Schottky defect is observed in crystals when $.......$
→The most stable trihalide of nitrogen is ..... .
Strong acid among the following is
The correct order of the number of unpaired electrons in the given complexes is
→$A.$ $\left[ Fe ( CN )_6\right]^{3-}$;$B.$ $\left[ FeF _6\right]^{3-}$; $C.$ $\left[ CoF _6\right]^{3-}$; $D.$ $\left[ Cr (\text { oxalate })_3\right]^{3-}$; $E.$ $\left[ Ni ( CO )_4\right]$
Choose the correct answer from the options given below:
Which of the following will show increase in weight when kept in magnetic field
The heat of vaporization is very high for ?