Advertisements
Advertisements
Question
Give a reason for the following:
E° value for (Mn2+|Mn) is negative whereas for (Cu2+|Cu) is positive.
Advertisements
Solution
E° value for (Mn2+|Mn) is negative whereas for (Cu2+|Cu) is positive as the hydration enthalpy of Cu2+ ion is not sufficient to compensate the sum of sublimation as well as first and second ionization enthalpy of copper.
APPEARS IN
RELATED QUESTIONS
Write main differences between the properties of white phosphorus and red phosphorus.
Among the hydrides of Group-15 elements, which have the lowest boiling point?
Among the hydrides of Group-15 elements, which have the highest bond angle?
Account for the following :
Acidic character decreases from N2O3 to Bi2O3 in group 15.
Which among the following forms basic oxide?
Match the items of Columns I and II and mark the correct option.
| Column I | Column II | |
| (A) | Its partial hydrolysis does not | (1) He |
| (B) | It is used in modern diving apparatus | (2) XeF6 |
| (C) | It is used to provide inert atmosphere for filling electrical bulbs |
(3) XeF4 |
| (D) | Its central atom is in sp3d2 hybridisation | (4) Ar |
An electron can enter into the orbital when
P4O10 is an anhydride of
The element With maximum ionisation potential is
The correct order of increase acidic strength of CIOH(1), BrOH (II) and lOH (iii) is.
