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What is Inert pair effect ? Explain in detail with examples... :]
Compare relative stability of O2+ and O2- using bond order?
what is the full form of VSEPR?
Arrange Li2, Li2+ and Li2- in the order of increasing stability....URGENT ANSER NEEDED!!!!!!!!!!!!!!!!!
what are the limitations of valence bond theory?
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
what does canonical structure mean?
What is hydration energy ?
NH3 has higher boiling point than PH3. Why?
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 ?
WHAT IS HYBRIDISATION OF C2H2 WITH DIAGRAM
What is the structure of XeF7
WHY IS KO2 PARAMAGNETIC????
How many millilitres of conc. H2SO4 of specific gravity 1.84 containing 98% H2SO4 by weight are required to prepare 200 ml of 0.5N solution. Please explain also.
molecular orbital of o2,
Which is more paramagnetic N2 or N22- ?
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?
what is variable covalency?
write lewis structure of na2so4
average bond enthalpy of water is given by: 502+427/2=464.5 KJ/mol. Tell me what to call these no. 502 and 427 and where do they came from?
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
suggest working models in chemistry
what is meaning of equilibrium distance
Discuss the shape of SiCl4, AsF5, H2S, PH3 using VSEPR theory ?
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
Which out of H2O and H2S has higher boiling point and why ?
arramge in the increasing order of bond angle
NH3, NH4+, NH2-
explain y BeH2 molecule has zero dipole moment although the Be-H bonds are polar...?
nitrobenzene has more dipole momment than nitromethane.explain???
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?????
what is the main difference between VSEPR THEORY and LEWIS structures ?
Write the molecular orbital configuration of N2 and N2+ . Also calculate their bond order?
Why N2 is more stable than O2. Explain on the basis of Molecular Orbital Theory
plz explain me the lewis dot stucture of NF3 ,CO3 AND HNO3
which of the following species has greater polarizing power and why? a)fe3+ or fe2+ b)cu2+ or na+
Is HI a covalent compound or ionic compound?
why KHF2 is known but KHCl2 is not known?
what is positive nd negative electron gain enthalpy
is boric acid a protic acid ,,,,,,,,explain me fast,,,,,i hav my xam on mondayyyyyy
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 ?
using hybridization,explain the shape of BF3 molecules?
What is positively charged Kernel?
Give reason why H2+ ions are more stable than H2- though they have the samebond order.
1. Are sp3d4 and sp3d5 hybridizations possible? Why/Why not?
2. What shapes would sd (or sd2) hybridizations take?
which has lowest bond angle?
AsCl3, SbCl3, PCl3 , NCl3 ( ANSWER=SbCl3) 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
Explain why NH3 is pyramidal but BF3 is trigonal planar in structure ???
sp2 hybridisation structure of C2H4????
NaCl gives a white precipitate with AgNO3 solution but CCl4 does not. Why?
why glycerol is more viscous than ethanol?
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