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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Account for the following: N2 is less reactive at room temperature. - Chemistry

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प्रश्न

Account for the following:

N2 is less reactive at room temperature.

Give reasons for the following :

N2 is less reactive at room temperature.

Why is N2 less reactive at room temperature?

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उत्तर १

The bond dissociation energy of N2 is very high because of the triple bond present between the two nitrogen atoms. Therefore, N2 is less reactive at room temperature.

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उत्तर २

The two N atoms in N2 are bonded to each other by very strong triple covalent bonds. The bond dissociation energy of this bond is very high. As a result, N2 is less reactive at room temperature.

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2014-2015 (March) Panchkula Set 1

संबंधित प्रश्न

Arrange the following in the increasing order of property mentioned:

NH3, PH3, AsH3, SbH3, BiH3 (Base strength)


The oxidation state of nitrogen in dinitrogen trioxide is ____

(a) + 1

(b) + 2

(c) + 3

(d) + 4


Among the hydrides of Group-15 elements, which have the maximum basic character?


Account for the following :

Reducing character decreases from SO2 to TeO2


Write the structural difference between white phosphorus and red phosphorus.

 

Account for the following : 
Acidic character decreases from N2O3 to Bi2O3 in group 15.


Elements having +5 oxidation state is ____________.


The most common oxidation states of nitrogen are ____________.


The correct order of solubility in water for He, Ne, Ar, Kr, Xe is:


The element which forms oxides in all oxidation states varying from +1 to +5 is ____________.


Collectively the elements of group 15 are called:


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 ______.


Among the following, which one is a wrong statement.


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.


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

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.


The element With maximum ionisation potential is


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