Why does carbon form compounds mainly by covalent bonding? Mark as favorite Copy Link It shares its valence electrons to complete its octet. It requires large amount of energy to form C4+ or C4– There are four electrons in the outermost shell of carbon. All the above Check Answer
Ethanol reacts with Na metal to form? Mark as favorite Copy Link CH3C00H + H2O CH3COONa + H2 CH3ONa + H2 C2H5ONa + H2 Check Answer
Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of? Mark as favorite Copy Link Oxidation reaction Displacement reaction Addition reaction Substitution reaction Check Answer
Which of the following statements about graphite and diamond is true? Mark as favorite Copy Link They have the same electrical conductivity They can undergo the same chemical reactions They have the same degree of hardness They have the same crystal structure Check Answer
—CHO represents the functional group? Mark as favorite Copy Link alcohols aldehydes carboxylic acid esters Check Answer
Addition reactions are undergone by? Mark as favorite Copy Link only alkynes both alkenes and alkynes only alkenes saturated hydrocarbons (alkanes) Check Answer
The alcoholic drinks contain? Mark as favorite Copy Link CH3COOH3 CH3COOH CH3CH2OH CH3OH Check Answer
Which one of the given is an unsaturated hydrocarbon? Mark as favorite Copy Link Decane Propane Acetylene Butane Check Answer
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of? Mark as favorite Copy Link Krypton Helium Neon Argon Check Answer
Rigid Three dimensional structure of carbon allotrope forming 4 bond with each carbon? Mark as favorite Copy Link Carbon ball Graphite Diamond Fullerene Check Answer