MCQ
Group showing strongest $+\ M$ effect :
- A$−\text{NH}_2$
- B$−\text{N(CH}_3)_2$
- C$−\text{NHCH}_3$
- ✓$−\text{O}^-$
✓
Answer
Correct option: D.
$−\text{O}^-$
$(-)$ charge is a stronger donor than lone pairs hence the strongest $+\ M$ effect is shown by $−\text{O}^-$.
Also, the other species does not contain any negative charge thus option $D$ is correct.
Also, the other species does not contain any negative charge thus option $D$ is correct.
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
Positive ions are formed from the neutral atom by the
The first four $I.E.$ values of an element are $284, 412, 656$ and $3210\, k.J\, mol^{-1}.$ The number of valence electrons in the element are
→The number of species from the following which are paramagnetic and with bond order equal to one is___________
→$\mathrm{H}_2, \mathrm{He}_2^{+}, \mathrm{O}_2^{+}, \mathrm{N}_2^{2-}, \mathrm{O}_2^{2-}, \mathrm{F}_2, \mathrm{Ne}_2^{+}, \mathrm{B}_2$
Identify the correct answer.
Resonance structure of molecule does not have
Which of the following statements is incorrect?
Assertion : Element has a tendency to lose the electron $(s)$ to attain the stable configuration.
Reason : Ionization enthalpy is the energy released to remove an electron from an isolated gaseous atom in its ground state.
→Reason : Ionization enthalpy is the energy released to remove an electron from an isolated gaseous atom in its ground state.
In which of the following dipole moment of species are non zero
Which salt will give basic solution on hydrolysis
Which of the following molecules is least resonance