How many of the following are amphoteric oxides? Li2O,Na2O2,BeO,Al2O3,MgO,BaO2 View Solution View Solution Out of the following how many oxides are acidic. MnO,Mn2O3,MnO2,MnO3,Mn2O7 View Solution Mn2O7is a basic oxide. View Solution ...
Which one of the following is an amphoteric metal hydroxide? A)KOH Ba(OH)2 Be(OH)2 D)LiOH Mg(OH)2 Amphoterism: Amphoterism refers to the acid and base reactivity of a single substance. In the presence of an acid, the substance will act as a base...
Chloride of which of the following element is colored? A) Ag B) Hg C) Zn D) Co Colored Compounds Some of the insoluble compounds exhibit non-white colors which makes them easy to detect. It is for this reason that a particular test can be used to identify whether...
Its weak metallic character is illustrated by its amphoteric nature; lead and lead oxides react with acids and bases, and it tends to form covalent bonds. Compounds of lead are usually found in the +2 oxidation state rather than the +4 state common with lighter members of the carbon group....
17. A liquid personal cleansing composition according to claim 16 wherein at least about 50% by weight of the complex coacervate particles have a diameter of greater than about 100 microns. 18. A liquid personal cleansing composition according to claim 17 wherein the stabilizer is a crystalline...
amphoteric surfactants selected from the group consisting of: alkyl-ampho-, mono- and di-acetates; alkyl betaines; alkyl dimethyl amine oxides; alkyl sultaines; alkyl amidopropyl betaines: alkyl amidopropyl hydroxysultaines: and mixtures thereof; wherein the alkyl chains of said amphoteric surfact...
The oxides and sulfides of nickel and cobalt are, however, connected only loosely to the metallic undersurface, and scale off little by little. It is known that nickel and cobalt alloys, beginning from a certain proportion of aluminum content, have an increased stability against high temperature...
Which of the following is non − aromatic in nature ? View Solution Which of the following is anti− aromatic in nature ? View Solution Which of the following are phagocytic in nature ? View Solution Which of the following oxides is amphoteric is nature ? View Solution Which of the follo...
Which of the following compounds is amphoteric? a. HF b. Na2CO3 c. NH3 d. H2O2 e. Al(OH)3 Describe the following as being a Bronsted acid, base, or both: a) H2CO3 b) HCO3-1 c) CO3-2 Give an example of a conjugate pair in wh...
What is the formula for iron(II) oxide? If the formula of an oxide of element X is XO, what is the formula of the nitride of X? Which nitrogen is more basic in the following compound? Which of the following oxides is likely to be an amphoteric...