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प्रश्न
Write four points of differences between properties of nitrogen and other elements of group 15.
उत्तर
Differences between properties of nitrogen and other elements
of group 15:
(i) Nitrogen molecule is diatomic, whereas other elements form tetraatomic molecules.
(ii) Catenation property is more pronouncedly shown by nitrogen than the other elements of group 15.
(iii) Nitrogen is in the gaseous state, while the others are in the solid state at room temperature.
(iv) Hydride of nitrogen is stable, while the hydrides of other elements are not stable.
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संबंधित प्रश्न
Explain how does nitrogen exhibit anomalous behaviour amongst group 15 elements.
Account for the following: Reducing character increases from NH3 to BiH3.
Considering the parameters such as bond dissociation enthalpy, electron gain enthalpy and hydration enthalpy, compare the oxidising power of F2 and Cl2.
Discuss the trends in chemical reactivity of group 15 elements.
Nitrogen exists as diatomic molecule and phosphorus as P4. Why?
Why does nitrogen show catenation properties less than phosphorus?
Among the hydrides of Group-15 elements, which have the lowest boiling point?
Among the hydrides of Group-15 elements, which have the maximum reducing character?
Account for the following :
Noble gases have very low boiling points.
Collectively the elements of group 15 are called:
Which of the following group 15 elements forms metallic bonds in an elemental state?
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?
Elements of group-15 form compounds in +5 oxidation state. However, bismuth forms only one well-characterised compound in +5 oxidation state. The compound is ______.
Which of the following is the strongest reducing agent?
Among the following, which one is a wrong statement.
The correct order of oxidising power is:
The oxidation state of central atom in the anion of compound \[\ce{NaH2PO2}\] will be ______.
Match the species given in Column I with the shape given in Column II and mark the correct option.
| Column I | Column II |
| (A) \[\ce{SF4}\] | (1) Tetrahedral |
| (B) \[\ce{BrF2}\] | (2) Pyramidal |
| (C) \[\ce{BrO^{-}3}\] | (3) Sea-saw shaped |
| (D) \[\ce{NH^{+}4}\] | (4) Bent T-shaped |
In \[\ce{PCl5}\], phosphorus is in sp3d hybridised state but all its five bonds are not equivalent. Justify your answer with reason.
The enthalpy change of a reaction does not depends upon?
Hess's law is used to calculate:
The elements which are characterized by the outer electronic configuration ns1 to ns2 np6 are collectively called
The elements with zero electron affinity are
In NH3 and PH3 the common is:-
When a colourless gas is passed through bromine water it decolorise, The gas 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 ______.
