A) \[\underline{Al}{{H}_{3}}\]changes to \[AlH_{4}^{-}\]
B) \[{{H}_{2}}\underline{O}\]changes to\[{{H}_{3}}{{O}^{+}}\]
C) \[\underline{N}{{H}_{3}}\]changes to\[NH_{4}^{-}\]
D) All the above cases
Correct Answer: A
Solution :
S. No. | Molecule Hybridisation | Structure | Changes |
[a] | \[Al{{H}_{3}}\] \[s{{p}^{2}}\] | Change in hybridisation as well as in shape | |
[b] | \[{{H}_{2}}O\] \[s{{p}^{3}}\] \[(2bp+2lp)\] | \[{{H}_{2}}{{O}^{+}}\] \[s{{p}^{3}}\] | Change in shape only, bent to pyramidal |
[c] | \[N{{H}_{3}}\] \[s{{p}^{3}}\] \[(3bp+1lp)\] | \[NH_{4}^{+}\] \[s{{p}^{3}}\] \[(4bp)\] | Change in shape only, pyramidal to tetrahedral |
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