|
Explain the difference between the valence electrons and the co-valency of an element
|
|
0
|
3107
|
October 20, 2016
|
|
List the factors that determine the type of bond
|
|
1
|
667
|
October 20, 2016
|
|
Account for the linear shape of ${{I}_{3}}^{-}$ ion
|
|
0
|
665
|
August 11, 2016
|
|
Indicate die types of bonds present in N${{H}_{4}}$N${{O}_{3}}$ and state the mode of hybridization of two N atoms
|
|
0
|
639
|
August 11, 2016
|
|
Which one has high boiling point ethyl alcohol or dimethyl ether and why?
|
|
0
|
2243
|
August 11, 2016
|
|
Compare the relative stability of the following species and indicate their magnetic properties
|
|
0
|
3953
|
August 11, 2016
|
|
What is meant by the term bond order?
|
|
0
|
1486
|
August 11, 2016
|
|
On the basis of orbital concept, explain the formation of following molecules
|
|
0
|
837
|
August 11, 2016
|
|
Explain what is hydrogen bond ?Describe the conditions and causes of hydrogen bond formation, condition, strength, types
|
|
0
|
5379
|
August 11, 2016
|
|
Write the resonance strucutre for C${{O}_{2}}$
|
|
1
|
531
|
August 11, 2016
|
|
Describe the hybridization in case of P${{C}_{15}}$. Why are the axial bonds longer as compared to equatorial bonds?
|
|
0
|
1279
|
August 11, 2016
|
|
Use molecular orbital theory to explain why the B${{e}_{2}}$ molecule does not exist
|
|
0
|
984
|
August 11, 2016
|
|
What is Hybridization ? Explain
|
|
1
|
5437
|
August 11, 2016
|
|
Define hydrogen bond. Is it weaker or stronger than the vander Waals forces?
|
|
0
|
5248
|
August 11, 2016
|
|
Draw diagrams showing the formation of a double bond and a triple bond between carbon atoms in:
|
|
0
|
3302
|
August 11, 2016
|
|
Differentiate sigma $\sigma $ and pi $\pi $ bond
|
|
0
|
597
|
August 11, 2016
|
|
Difference between hydrogerfbond and covalent bond
|
|
0
|
456
|
August 11, 2016
|
|
Why is sigma bond stonger than $\pi $-bond ? Explain
|
|
0
|
565
|
August 11, 2016
|
|
What type of bond exist in crystals of water?
|
|
0
|
550
|
August 11, 2016
|
|
Name the chemist who introduced simple symbols to denote the valence shell electrons in an atom
|
|
0
|
449
|
August 11, 2016
|
|
Write the significance of a plus and a minus sign shown in representing the orbitals
|
|
0
|
1447
|
August 11, 2016
|
|
On what factors the polarity of bond depends?
|
|
0
|
837
|
August 11, 2016
|
|
When is a molecule paramagnetic in nature?
|
|
0
|
1341
|
August 11, 2016
|
|
Define antibonding molecular orbital
|
|
0
|
474
|
August 11, 2016
|
|
Is there any change in the hybridization of B and N atoms as a result of the following reactions?
|
|
1
|
1106
|
August 11, 2016
|
|
Predict the shapes of the following molecules using the valence shell electron pair repulsion (VSEPR) theory
|
|
0
|
932
|
August 11, 2016
|
|
Explain the formation of ${{H}_{2}}$ molecule on the basis of Valence bond theory
|
|
0
|
543
|
August 11, 2016
|
|
The skeletal structure of C${{H}_{3}}$COOH as shown below is correct but some of the bonds are shown incorrectly. Write the correct Lewis structure for acetic acid
|
|
1
|
1637
|
August 11, 2016
|
|
Discuss the shape of the following molecules
|
|
0
|
441
|
August 11, 2016
|
|
Explain why O-O bond length in ozone molecule are equal
|
|
0
|
7323
|
August 11, 2016
|