Home
Class 12
CHEMISTRY
E^(0)(Mn(3+)/Mn(2+)) , is highly positiv...

`E^(0)_(Mn_(3+)/Mn_(2+))` , is highly positive due to

A

High hydration enthalpy

B

High atomization energy

C

Half fill d-subshell

D

`d^3` system

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • TEST 5

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|360 Videos
  • TEST 4

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|90 Videos
  • TEST 6

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|348 Videos

Similar Questions

Explore conceptually related problems

E_(Mn^(3+)//Mn^(2+))^@ is highly positive than that of E_(Cr^(3+)//Cr^(2+))^@orE_(Fe^(3+)//Fe^(2+))^@ because

(a) Account for the following : (i) Transition metals form large number of complex compounds (ii) The lowest oxide of transition metal is basic whereas the highest oxide is amphoteric or acidic (iii) E^(@) value for the Mn^(3+)//Mn^(2+) couple is highly positive (+1.57V) as compare to Cr^(3+)//Cr^(2+) (b) Write one similarity and one difference between the chemistry of lanthanoid and actinoid elements.

(a) Account for the following, (i) Transition metals show variable oxidation states. (ii) Zn, Cd and Hg are soft metals. (c) E^(@) value for the Mn^(3+)//Mn^(2+) couple is highly positive (+1.57V) as compared to Cr^(3+)//Cr^(2+) (b) Write one similarity and one difference the chemistry of lanthanoid and actinoid elements.

Explain why E^(@) for Mn^(3+)//Mn^(2+) couple is more positive than that for Fe^(3+)//Fe^(2+) (At. Nos. Mn=25,Fe=26)?

Assertion: E^(@) for Mn^(3+)//Mn^(2+) is more positive than Cr^(3+)//Cr^(2+) Reason: The third ionisation energy of Mn is larger than that of Cr .

Give reason for the folloiwng : (a) E_("value")^(@) for Mn^(3+)//Mn^(2+) couple is much more positive than that of Fe^(3+)//Fe^(2+) couple. (b) Sc^(3+) is colourless in aqueous solution whereas Ti^(3+) is coloured.

Why IE_(3) of Mn is high ?

Why is the value for (Mn^(3+))/(Mn^(2+)) couple much more positive than that for (Cr^(3+))/(Cr^(2+)) or (Fe^(3+))/(Fe^(2+)) ? Explain

Mn_(2)O_(7) is an acidic oxide, why ?

Mn_(2) (CO)_(10) is an organometallic compound due to the presence of :