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What is Inert pair effect ? Explain in detail with examples... :]
Compare relative stability of O2+ and O2- using bond order?
Arrange Li2, Li2+ and Li2- in the order of increasing stability....URGENT ANSER NEEDED!!!!!!!!!!!!!!!!!
what are the limitations of valence bond theory?
how octet rule cannot explain the relative stability of the molecule in terms of the
Using VSEPR theory draw the structure of XeOF2 and ICl4-
The structure and hybridization of N(SiH3)3 is
find bond order and formal charge of SO4-2 and PO4-3
Which out of H2O and H2S has higher boiling point and why ?
What is hydration energy ?
NH3 has higher boiling point than PH3. Why?
Why N2 is more stable than O2. Explain on the basis of Molecular Orbital Theory
WHAT IS HYBRIDISATION OF C2H2 WITH DIAGRAM
which of the following is isoelectronic a) Fe3+,Co3+ b) Fe3+,Mn2+c) Co3+,Sc3+d) Sc3+,Ti3+
WHY IS KO2 PARAMAGNETIC????
1.Which of the following does not obey octet rule and why?
NO , PCl3 , SF4, SO2.
2.Calculate the bond order of B2+.
3.Compare realtive stability of N2 and N2+.
4. What is the hybridisation of central atom in PCl5 , NH4+ AND BF3 ?
molecular orbital of o2,
arramge in the increasing order of bond angle
NH3, NH4+, NH2-
WHAT is the formal charge of CO3 ??
What is the limitation and advantage of hybridization ?
BF3 is non polar but NF3 is polar why?
what is the energy level diagram of N2 and F2?
According to VBT,, which of the following overlapping results pi - type covalent bond in O 2 molecule formation,, when Z - axis is internuclear axis??
I.. 2s – 2s II.. 2p x – 2p x III.. 1s – 1s IV.. 2p y – 2p y V.. 2p z – 2p z
write lewis structure of na2so4
what is the oxidation number of sulphur in H2SO5 plz give explanation in detail
Write the MO configuration of the following species-
O2 , O2+ , O2- , O22-
Arrange them in order of their decreasing stabilities?
explain the structure of PCl5
why glycerol is more viscous than ethanol?
suggest working models in chemistry
Molecule possesing dipole moment is : a)CH4 , b)H2O , c)BF3 , d)CO2 ?
Discuss the shape of SiCl4, AsF5, H2S, PH3 using VSEPR theory ?
what is meaning of equilibrium distance
Explain the geometry and hybridisation of [Ni(CN)4]2-????
DRAW THE STRUCTURE OF C2H4 C2H2 (ELECTRONIC DOT STRUCTURE
PCl5 exists but Ncl5 does not why?
how to know whether compound is paramagnetic or diamagnetic if the compound is formed of more than 2 atoms like H20, co2,No2 , So2 ,NH4 etc tell me the rule
explain y BeH2 molecule has zero dipole moment although the Be-H bonds are polar...?
What is positively charged Kernel?
In PO43- ION, THE FORMAL CHARGE ON EACH OXYGEN ATOM AND P-O BOND ORDER RESP. ARE
Why the bond angle (H--N--H) in NH4+is greater than NH3?????
why the lone pair of electrons on sulphur in so2 is in an sp3 hybrid orbital?
Write the molecular orbital configuration of N2 and N2+ . Also calculate their bond order?
Is HI a covalent compound or ionic compound?
plz explain me the lewis dot stucture of NF3 ,CO3 AND HNO3
why KHF2 is known but KHCl2 is not known?
what is positive nd negative electron gain enthalpy
using VSEPR theory , the two bonds angles (left to right) in CH3CHO are predicted as ???
is boric acid a protic acid ,,,,,,,,explain me fast,,,,,i hav my xam on mondayyyyyy
what does canonical structure mean?
use the M.O theory, explain why Be2 molecule does not exist?
Explain the formation of H2 molecules on the basis of valence bond theory
On what factors do hydration energy & solubility depend ? Does the hydration energy increase with increase in solubility ?
why pz-pz bond is sigma bond but px-px, py-py px-py bonds are pi bonds ?
using hybridization,explain the shape of BF3 molecules?
1. Draw the orbital overlap diagram and the hybridisation,bond angle and shape of ethane,ethene and ethyne
2. Draw the geometry of SF6and PCl5and predict its hybridisation and bond angle.
Give reason why H2+ ions are more stable than H2- though they have the samebond order.
which has lowest bond angle?
AsCl3, SbCl3, PCl3 , NCl3 ( ANSWER=SbCl3) why???
which has higher boiling point CH4 or SiH4 ,,, (ans = si4) why???
Explain the resonance structures of CO2 & CO2-3 ?
How to find out the geometry of ClO4-
What are electron deficient compounds? Are BCl3 and SiCl4 electron deficient species?Explain.
the states of hybridization of boron and oxygen atoms in boric acid(H3BO3) ARE resp.
a...sp3 and sp2
b.. sp2 and sp3
c.. sp2 and sp2
d.. sp3 and sp3
OUT OF MgCl2 and MgO , which one has more lattice energy and why ??
Explain why NH3 is pyramidal but BF3 is trigonal planar in structure ???
what is the full form of VSEPR?
sp2 hybridisation structure of C2H4????
H2O molecule is not linear although it is of the type AB2
NaCl gives a white precipitate with AgNO3 solution but CCl4 does not. Why?
what is lattice energy & how is it related to the stability of an ionic compound?
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