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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!!!!!!!!!!!!!!!!!
arramge in the increasing order of bond angle
NH3, NH4+, NH2-
what are the limitations of valence bond theory?
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
Using VSEPR theory draw the structure of XeOF2 and ICl4-
For the reaction :-
AlCl3+ NaOH ----> Al(OH)3+ NaCl
If initially 1 mole of each reactant is taken then the number of moles of AlCl3remained after the xompletion of reaction is :
(D) None of these.
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?
The nitrogen oxide(s) that contains N-N bond(s) is/are
WHAT IS HYBRIDISATION OF C2H2 WITH DIAGRAM
why glycerol is more viscous than ethanol?
WHY IS KO2 PARAMAGNETIC????
molecular orbital of o2,
WHAT is the formal charge of CO3 ??
BF3 is non polar but NF3 is polar why?
what is the energy level diagram of N2 and F2?
write lewis structure of na2so4
what is the oxidation number of sulphur in H2SO5 plz give explanation in detail
Which of the following statements regarding white phosphorus is not correct?
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
Which of the following has S-S bonds?
H2S2O7H2S2O8H2S2O6H2S2O7 SO3)3 and why
suggest working models in chemistry
Discuss the shape of SiCl4, AsF5, H2S, PH3 using VSEPR theory ?
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 ?
Explain the geometry and hybridisation of [Ni(CN)4]2-????
which of the following is isoelectronic a) Fe3+,Co3+ b) Fe3+,Mn2+c) Co3+,Sc3+d) Sc3+,Ti3+
DRAW THE STRUCTURE OF C2H4 C2H2 (ELECTRONIC DOT STRUCTURE
PCl5 exists but Ncl5 does not why?
what is lattice energy & how is it related to the stability of an ionic compound?
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
How many lone pairs are there in BrF5 ?
explain y BeH2 molecule has zero dipole moment although the Be-H bonds are polar...?
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?????
Write the molecular orbital configuration of N2 and N2+ . Also calculate their bond order?
plz explain me the lewis dot stucture of NF3 ,CO3 AND HNO3
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
LiF,LiCl,LiBr,LiI.Give the order of solubility in water.Explain me how to do it?
is boric acid a protic acid ,,,,,,,,explain me fast,,,,,i hav my xam on mondayyyyyy
Why N2 is more stable than O2. Explain on the basis of Molecular Orbital Theory
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 does canonical structure mean?
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???
Explain the resonance structures of CO2 & CO2-3 ?
How to find out the geometry of ClO4-
explain the hybridisation in c3h8.Draw shape of molecule
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
NaCl gives a white precipitate with AgNO3 solution but CCl4 does not. Why?
Explain why NH3 is pyramidal but BF3 is trigonal planar in structure ???
Which is more paramagnetic N2 or N22- ?
sp2 hybridisation structure of C2H4????
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.
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