What is the oxidation state of I in IO3 -?
What is the oxidation state of I in IO3 -?
+5
What is the molecular shape of IO3 -?
pyramidal
What is formal charge used for?
Formal charges help us keep track of the electrons in a molecule. The formal charge tells you whether an atom has more electrons (negative charge) or protons (positive charge) associated with it.
What does a formal charge of 0 mean?
A formal charge of zero means the atom has the best balance of bonds to lone pairs according to its valence (meaning it’s stable).
What is charge of oxygen?
The two gained electrons (purple dots) means that this oxygen ion has 10 electrons (-10 charge) and only 8 protons (+8 charge), giving the ion a net charge of -2. Symbolically, we can represent this oxygen ion as O-2.
Is oxygen positive or negative charge?
The covalent bonds are therefore polar, and the oxygen atoms have a slight negative charge (from the presence extra electron share), while the hydrogens are slightly positive (from the extra un-neutralized protons). Opposite charges attract one another.
Why does oxygen have a charge?
Oxygen is more electronegative than carbon which attracts the electrons to them usually giving it a negative charge.
Can nitrogen have a negative charge?
A nitrogen atom in a ring can be neutral or can carry a positive or a negative charge. Oxygen and sulfur atoms in a ring either are in the neutral form or carry a positive charge.
What stabilizes a positive charge?
Positive charge is stabilized by adjacent negative charge – such as electron donating groups – and destabilized by adjacent positive charge such as electronegativity (increasing) and increasing s-character of orbitals. (Opposite charges attract, like charges repel).
Why is NH3 positively charged?
NH3 has no charge as it has a full octet. CH3 needs 2 more electrons to form a full octet, so has a positive charge.
How NH4+ is formed?
Ammonium ions, NH4+, are formed by the transfer of a hydrogen ion from the hydrogen chloride to the lone pair of electrons on the ammonia molecule.
Can nitrogen form 4 bonds?
Nitrogen has three electrons in its 2p orbital. Therefore, it can form three bonds by sharing its three electrons. It can donate this electron pair to form a coordinate bond. This coordinate bond that nitrogen forms by donating its electron pair to the vacant orbital of other atom is how it can form 4 bonds.