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प्रश्न
Write four points of differences between properties of nitrogen and other elements of group 15.
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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
The element that does NOT exhibit allotropy is
- As
- Sb
- Bi
- N
Explain how does nitrogen exhibit anomalous behaviour amongst group 15 elements.
Arrange the following in the increasing order of property mentioned :
H3PO3, H3PO4, H3PO2 (Reducing character)
Give reasons for the following : (CH3)3 P = O exists but (CH3)3 N = O does not.
Why does R3P=O exist but R3N=O does not (R = alkyl group)?
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?
Write the structural difference between white phosphorus and red phosphorus.
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.
Explain the geometry of [Cu(NH3)4]2+ on the basis of hybridisation [ At. No. Cu = 29 ].
Give a reason for the following:
E° value for (Mn2+|Mn) is negative whereas for (Cu2+|Cu) is positive.
Give reasons for the following:
E⁰ value for (Mn3+|Mn2+) is highly positive than that for (Cr3+|Cr2+) couple.
Elements having +5 oxidation state is ____________.
The p-block element of group 15 that forms predominantly basic oxide is _____________.
The correct order of oxidising power is:
Which of the following has highest ionisation enthalpy?
Which of the following statements is true?
The oxidation state of central atom in the anion of compound \[\ce{NaH2PO2}\] will be ______.
Which of the following options are not in accordance with the property mentioned against them?
| (i) | \[\ce{F2 > Cl2 > Br2 > I2}\] | Oxidising power. |
| (ii) | \[\ce{MI > MBr > MC1 > MF}\] | Ionic character of metal halide. |
| (iii) | \[\ce{F2 > Cl2 > Br2 > I2}\] | Bond dissociation enthalpy. |
| (iv) | \[\ce{HI < HBr < HCI < HF}\] | Hydrogen-halogen bond strength. |
Which of the following statements are correct for \[\ce{SO2}\] gas?
(i) It acts as bleaching agent in moist conditions.
(ii) It’s molecule has linear geometry.
(iii) It’s dilute solution is used as disinfectant.
(iv) It can be prepared by the reaction of dilute \[\ce{H2SO4}\] with metal sulphide.
In \[\ce{PCl5}\], phosphorus is in sp3d hybridised state but all its five bonds are not equivalent. Justify your answer with reason.
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 correct order of increase acidic strength of CIOH(1), BrOH (II) and lOH (iii) is.
Which acid of the following pair would you expect to be stronger?
F−CH2−COOH or CH3−COOH
