Give the formula of a polyatomic ion that would have the same Lewis structure as

Question

Give the formula of a polyatomic ion that would have the same Lewis structure as HCl. OH CIO^- CN^- PO_4^-3 A sample of N 2 that occupies a volume of 467 cm^3 at 746 mmHg is expanded at constant temperature to a volume of 569 cm^3. What is the new gas pressure? A 47.3 L constant volume cylinder containing 1.62 mol He is heated until the pressure reaches 1.85 atm. What is the temperature of the gas? A 12.1 L cylinder contains 38.7 g O2 at 25 degree C. What is the pressure of this gas? For a fixed amount of gas at a fixed pressure, changing the temperature from 100 degree C to 200K causes the gas volume to: Decrease Double Increase but not twice its original value No change

Explanation / Answer

3)
H-Cl is compound between H and Cl which has 7 valence electrons

OH- is also a compound between H and O- which has 7 valence elctrons
this lewis structure will be similar to HCl

Answer: a

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