Answer the following :
(i) Which neutral molecule would be isoelectronic with `ClO^(-)`?
(ii) Of Bi (V) and Sb (V) which may be a stronger oxidising agent and why?

Bi(V) and Sb(V) which may be a stronger oxidizing agent and why ?

Bi(V) and Sb(V) which may be a stronger oxidizing agent and why ?

Out of Cr^(3+) and Mn^(3+) , which is a stronger oxidising agent and why?

Why is Bi(V) a stronger oxidant than Sb(V) ?

(a) Following are the transition metal ions of 3d series: Ti^(4+),V^(2+),Mn^(3+),Cr^(3+) (Atomic numbers: Ti=22,V=23,Mn=25,Cr=24 ) Answer the following: (i) Which ion is most stable in an aqueous solution and why? (ii) Which ion is a strong oxidising agent and why? (iii) Which ion is colourless and why? (b) Complete the following equations: (i) 2MnO_(4)^(-)+16H^(+)+5S^(-)to (ii) KMnO_(4)overset(heat)to

(i) Name the element of 3d transition series which shows maximum number of oxidation states. Why does it show so ? (ii) Out of Cr_(3+) and Mn^(3+) which is a stronger oxidising agent and why? (iii) Why is zinc not regarded as a transition element ? (At. no. Zn=3)

(a) Draw the structures of the following : (i) PCl_(5) (s) (ii) SO_(3)^(2-) Explain the following observations : (i) Ammonia has a higher boiling point than phosphin. (ii) Helium does not form any chemical compound. (iii) Bi (V) is a stronger oxidising agent than Sb (V).

(a) Account for the following observations : (i) SF_(4) is easily hydrolysed whereas SF_(6) is not easily hydrolysed. (ii) Chlorine water is a powerful bleaching agent. (iii) Bi (V) is a stronger oxidising agent than Sb(V) (b) What happens when : (i) White phosphorus is heated with concentrated NaOH solution in an inert atmosphere of CO_(2). (ii) XeF_(6) undergoes partial hydrolysis. (Give the chemical equations involved).

(a)Draw the molecule structure of the following compounds : (i) N_(2)O_(5) (ii) XeOF_(4) (b)Despite lower value of its electron gain enthalpy with negative sign, fluorine (F_(2)) is a stronger oxidising agent than Cl_(2) .

The elements of 3d transition series are given as : Sc Ti V Cr Mn Fe Co Ni Cu Zn Answer the following : (i) Write the element which shows maximum number of oxidation states. Give reason. (ii) Which elements has the highest m.p? (iii) Which element is a strong oxidizing agent in +3 oxidation state and why ?