Which of the following is known as inorganic benzene
Which of the following is known as inorganic benzene
- A
Borazine
- B
Boron nitride
- C
$p$ - dichlorobenzene
- D
Phosphonitrilic acid
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A nonmetallic element of group $-13$, used in making bullet proof vests is extremely hard solid of black colour. It can exist in many allotropic forms and has unusually high melting point. Its trifluoride acts as Lewis acid towards ammonia. The element exhibits maximum covalence of four. Identify the element and write the reaction of its trifluoride with ammonia. Explain why does the trifluoride acts as a Lewis acid.
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