P Block Elements

The molar conductivity of 0.007M acetic acid is 20 S² mol⁻¹. What is the dissociation constant of acetic acid? Choose the correct option.
[Λ°(H⁺) = 350 Scm² mol⁻¹]
[Λ°(CH₃COO⁻) = 50 Scm² mol⁻¹]

The RBC deficiency is deficiency disease of :

In the neutral or faintly alkaline medium, KMnO₄ oxidises iodide into iodate. The change in oxidation state of manganese in this reaction is from:

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): ICl is more reactive than I?.
Reason (R): I-Cl bond is weaker than I-I bond.

In the light of the above statements, choose the most appropriate answer from the options given below:

The solubility of CdSO? in water is 8.0 * 10? mol L?¹. Its solubility in 0.01 M H?SO? solution is ________ * 10? mol L?¹. (Round off to the nearest integer).
(Assume that solubility is much less than 0.01 M)

A xenon compound 'A' upon partial hydrolysis gives XeO?F?. The number of lone pair of electrons present in compound A is ________. (Round off to the nearest integer).

The INCORRECT statement regarding the structure of C₆₀ is:

The reaction of white phosphorous on boiling with alkali in inert atmosphere resulted in the formation of product 'A'. The reaction of 1 mol of 'A' with excess of AgNO₃ in aqueous medium gives _______ mol(s) of Ag. (Round off to the nearest integer).

The incorrect statement(s) among (a) - (c) is (are):
(a) W(VI) is more stable than Cr(VI).
(b) in the presence of HCl, permanganate titrations provide satisfactory results.
(c) some lanthanoid oxides can be used as phosphors.