(Q82) Which of the following statements is true regarding carbon and nitrogen? A) Nitrogen can attain a full octet, but because carbon only has six electrons, forms electron-deficient molecules B) Carbon can reach an octet by forming four bonds and nitrogen can reach an octet by forming three bonds C) Carbon can reach an octet by forming three bonds and nitrogen can reach an octet by forming four bonds D) Because these are group 2 elements, neither can form an octet E) Both carbon and nitrogen must retain lone pairs in order to form an octet
Formal Charges
Formal charges have an important role in organic chemistry since this concept helps us to know whether an atom in a molecule is neutral/bears a positive or negative charge. Even if some molecules are neutral, the atoms within that molecule need not be neutral atoms.
Polarity Of Water
In simple chemical terms, polarity refers to the separation of charges in a chemical species leading into formation of two polar ends which are positively charged end and negatively charged end. Polarity in any molecule occurs due to the differences in the electronegativities of the bonded atoms. Water, as we all know has two hydrogen atoms bonded to an oxygen atom. As oxygen is more electronegative than hydrogen thus, there exists polarity in the bonds which is why water is known as a polar solvent.
Valence Bond Theory Vbt
Valence bond theory (VBT) in simple terms explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. It gives a quantum mechanical approach to the formation of covalent bonds with the help of wavefunctions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.
Which of the following statements is true regarding carbon and nitrogen?
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