Similarity and Differences between Boron and Aluminium, Diagonal Relationship of Boron and Silicon
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CHXI11:THE P-BLOCK ELEMENTS

316981 Which of the following statements is not true for both \(\mathrm{B}\) and \(\mathrm{Al}\) ?

1 They burn in oxygen to give oxides at high temperature
2 Their halides are Lewis acids
3 They combine with nitrogen to form nitrides
4 They react with \(\mathrm{HCl}\) to form chlorides
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