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प्रश्न
The group 15 element having inner electronic configuration as of argon is-
(a) Phosphorous (z = 15)
(b) Antimony (z =51)
(c) Arsenic (z = 33)
(d) Nitrogen (z = 7)
उत्तर
Arsenic (Z = 33)
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संबंधित प्रश्न
Nitrogen does not form pentahalide.
Account for the following: Reducing character increases from NH3 to BiH3.
Why are pentahalides more covalent than trihalides?
Why is BiH3 the strongest reducing agent amongst all the hydrides of Group 15 elements?
The oxidation state of nitrogen in dinitrogen trioxide is ____
(a) + 1
(b) + 2
(c) + 3
(d) + 4
Account for the following
Bi(V) is a stronger oxidizing agent than Sb(V).
What is the action of Magnesium on bismuth.
[Ar]3d104s24p3 is the electronic configuration of ____________.
The element which forms oxides in all oxidation states varying from +1 to +5 is ____________.
Which of the following has the highest pπ–pπ bonding tendency?
Which of the following species has the highest dipole moment?
The correct decreasing order of basic strength is:
With respect to protonic acids, which of the following statement is correct?
Which of the following trihalide is unstable?
The correct order of increasing oxidising power is:
Among the following, which one is a wrong statement.
Acidity of diprotic acid in aqueous solution increases in order.
Which of the following has highest ionisation enthalpy?
If chlorine gas is passed through hot NaOH solution, two changes are observed in the oxidation number of chlorine during the reaction. These are :
(i) 0 to +5
(ii) 0 to +3
(iii) 0 to –1
(iv) 0 to +1
Which of the following orders are correct as per the properties mentioned against each?
| (i) | \[\ce{As2O3 < SiO2 < P2O3 < SO2}\] | Acid strength. |
| (ii) | \[\ce{AsH3 < PH3 < NH3}\] | Enthalpy of vapourisation. |
| (iii) | \[\ce{S < O < Cl < F}\] | More negative electron gain enthalpy. |
| (iv) | \[\ce{H2O > H2S > H2Se > H2Te}\] | Thermal stability. |
In which of the following compounds, metal is in lowest oxidation state?
Hess's law is used to calculate:
The elements with atomic numbers 9, 17, 35, 53 and 85 belong to
Which of the following pairs will have same chemical properties?
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:-
The element With maximum ionisation potential is
A ·group 15 element, which is a metal and forms a hydride with strongest reducing power among group 15 hydrides. The element is ______.
