If a central atom has four groups attached to it, the geometry about the central atom is: a) triangular. b) linear. c) pyramidal
1 answer:
Answer:
d) tetrahedral
Explanation:
Given that the central atom is attached to the four group.
Number of bond pairs = 4
Number of lone pairs = 0
The formula is .
According to VSEPR theory,
The central atom has 4 bond pairs and 0 lone pair. Hybridization is sp³. The geometry is tetrahedral which has an angle of 109.5°.
Methane, posses a tetrahedral geometry as four atoms of hydrogen are attached to the central atom which is carbon.
Hence. D option is correct.
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Answer:
Explanation:
Since we have $N_A$ number of molecules in 22.4 L, in 15 L we have:
$\frac{15}{22.4}\times 6.023 \times 10^{23}$ molecules.