Write the chemical formula of the compound formed when boron reacts with chlorine.
[Atomic weight of B = 5]

B C l

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B C l_{2}

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B C l_{3}

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B C l_{5}

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Solution

The correct option is C $B C l_{3}$
Electronic configuration of Boron is $1 s^{2} 2 s^{2} 2 p^{1} .$
It has $3$ electrons in the outermost shell. Hence, it can form $3$ covalent bonds.
It forms $B {C l}_{3}$ with chlorine.

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Q. An element

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. This oxide is electrically conducting. Write the formula of the compound which is formed when

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B $_{2}$ O $_{3}$ + C + Cl $_{2}$ $\to A + B . A & B$ are?

B $_{2}$ O $_{3}$ + C + Cl $_{2}$ $\to A + B . A & B$ follows

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Write the chemical formula of the compound formed when boron reacts with chlorine.[Atomic weight of B = 5]

The correct option is C BCl3Electronic configuration of Boron is 1s22s22p1.It has 3 electrons in the outermost shell. Hence, it can form 3 covalent bonds.It forms BCl3 with chlorine.

Write the chemical formula of the compound formed when boron reacts with chlorine.
[Atomic weight of B = 5]

The correct option is C $B C l_{3}$
Electronic configuration of Boron is $1 s^{2} 2 s^{2} 2 p^{1} .$
It has $3$ electrons in the outermost shell. Hence, it can form $3$ covalent bonds.
It forms $B {C l}_{3}$ with chlorine.