Question

In which pair of formulae are both species polar
A co2 and h2o
B bf3 and pcl3
C so2 and scl2
D cs2 and no2

Answer 1

Answer:

B

Explanation:

trigonal planar,square planar

Answer 2

SO2 and SCl2 are both species polar.

Option (C)

Explanation:

• SO2 is the chemical formula of Sulfur dioxide.
• It is one of the gases of Sulfur oxides.
• SCl2 is the chemical formula of Sulfur dichloride.
• It is cherry-red liquid.
• Polar molecules are formed due to the difference of electronegativity between the atoms of the molecules.
• Sulfur dioxide is slightly polar because of the oxygen atom in its structure which exerts more force over the electrons involved in the covalent bond formation between sulfur and oxygen.
• In Sulfur dichloride, the sulfur has two lone electron pairs.
• Due to this a bent structure is formed, which gives the structural similarity with water.
• Chlorine has more electro negativity which attracts the electrons come closer.

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