MCQ
Which of the following order can't be explained by back bonding ?
- A$SiH_3OH > CH_3OH$ (Acidic strength)
- B$O(SiH_3)_2 < O(CH_3)_2$ (Lewis basic strength)
- C$BF_3 < BCl_3$ (Lewis acidic strength)
- ✓$PH_4^+ > NH_3$ (Bond angle)
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$A : 1s^2\, 2s^2\, 2p^6$
$B : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^3$
$C : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^5$
