MCQ
Group showing strongest +M effect:
- A−NH2
- B−N(CH3)2
- C−NHCH3
- D−O-
Explanation:
(-) charge is a stronger donor than lone pairs hence the strongest +M effect is shown by −O-.
Also, the other species does not contain any negative charge thus option D is correct.
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$\text{Cu}^{2+}/\text{ Cu}=+0.34;\text{Ag}^+/\text{ Ag}=+0.80\text{V}$
$2H_2O(g) \rightleftharpoons 2H_2(g) + O_2(g); K_1 = 2.1 \times 10^{-13}$
$2CO_2(g) \rightleftharpoons 2CO(g) + O_2(g); K_2 = 1.4 \times 10^{-12}$
