$[BF_4^{-}]$માં બોરોન ની સહસંયોજકતા $(covalency)$ અને ઓકિસડેશન અવસ્થા અનુક્રમે શોધો.
A$4$ અને $3$
B$4$ અને $4$
C$3$ અને $4$
D$3$ અને $5$
JEE MAIN 2023, Medium
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a Number of covalent bond formed by Boron is \(4\)
Oxidation number of fluorine is \(-1\),
Oxidation number of \(B +4 \times(-1)=-1\),
Thus, Oxidation number of \(B =+3\)
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