Assign reason for the following:Lyophlllc sols are reversible.

Assign reason for the following:- Of the noble gases only xenon Is known to form well-established chemical compounds.

Assign reason for the following, i. Phosphorus doped silicon is a semiconductor. ii. Schottky defect lowers the density of a solid. ii. Some of the very old glass object appear slightly milky instead of being transparent.

Assign reason for the following:- The negative Value of electron gain enthalpy of fluorine is less than that of CI.

Assign reason for the following: Bleeding from a fresh cut stops on applying ferric chloride or alum.

Assign the possible reason for the following:- H_2O is less acidic than H_2S .

Assign the possible reason for the following:- H_3PO_2 act as a good reducing agent while H_3PO_4 does not.

Account for the following: Ferric hydroxide sol Is more readily coagulated by Na_3PO_4 In comparison to KCI.

Assertion : Lyophilic colloids are called as reversible sols. Reason : Lyophilic sols are liquid loving. : If both (A) and (R) are correct, and (R) is the correct explanation of (A), If both (A) and (R) are correct, but (R) is not the correct explanation of (A), If (A) is correct, but (R) is incorrect, If (A) is incorrect, but (R) is correct

Assign the possible reason for the following:- Stability of +5 oxidation state decreases and that of +3 oxidation state increases down to 15 th? group elements.

Which of the following sols is negatively charged ?