Advertisements
Advertisements
प्रश्न
Why are pentahalides more covalent than trihalides?
उत्तर
In pentahalides, the oxidation state is +5 and in trihalides, the oxidation state is +3. Since the metal ion with a high charge has more polarizing power, pentahalides are more covalent than trihalides.
APPEARS IN
संबंधित प्रश्न
Give reasons for the following : (CH3)3 P = O exists but (CH3)3 N = O does not.
Considering the parameters such as bond dissociation enthalpy, electron gain enthalpy and hydration enthalpy, compare the oxidising power of F2 and Cl2.
Why does nitrogen show catenation properties less than phosphorus?
Give reasons When Cl2 reacts with the excess of F2, ClF3 is formed and not FCl3.
Account for the following :
Noble gases have very low boiling points.
What is the action of sodium on arsenic.
What is the action of Magnesium on bismuth.
Give a reason for the following:
E° value for (Mn2+|Mn) is negative whereas for (Cu2+|Cu) is positive.
[Ar]3d104s24p3 is the electronic configuration of ____________.
The most common oxidation states of nitrogen are ____________.
The strongest oxidising agent is ____________.
Which of the following element will form acidic oxides of type E2O3?
In \[\ce{PCl5}\], phosphorus is in sp3d hybridised state but all its five bonds are not equivalent. Justify your answer with reason.
Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion: Smaller the size of an atom greater is the electronegativity.
Reason: Electronegativity refers to the tendency of atom to share electrons with other atom.
Basicity of ortho phosphoric acid is:-
In NH3 and PH3 the common is:-
In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?
