MCQ
Which statement is false?
- AIn $3d$ series $Z_{eff}$ increased by $0.15$ continuously for last electron
- B$_{90}Th$ is an exception of block classification
- C$P \to P^-$ exothermic
- ✓$H_3PO_2 > H_3PO_3 > H_3PO_4$ acidic character
✓
Answer
Correct option: D.
$H_3PO_2 > H_3PO_3 > H_3PO_4$ acidic character
d
$(A)\, BeO$ is amphoteric in nature. It reacts with acids as well as alkalies. Oxides of other $s$ block metal elements are basic in nature. They react only with acids.
$(A)\, BeO$ is amphoteric in nature. It reacts with acids as well as alkalies. Oxides of other $s$ block metal elements are basic in nature. They react only with acids.
$(B)$ The oxides $NO _2 N _2 O , CO$ are neutral. Whereas the remaining oxides of $p$ block metals are acidic in nature.
Some of the $d$ block metal oxides are basic in nature, some of them acidic in nature where as the rest are amphoteric in nature.
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