Recent questions tagged physical-chemistry

The hybridisation of $'Xe'$ atom in $XeF_4$ molecule is

asked Mar 7, 2014 by sreemathi.v

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The number of $\sigma$ and $\pi$ bonds in $ClO_3$ respectively

asked Mar 7, 2014 by sreemathi.v

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Among the following species,identify the isostructural pairs: $NF_3,NO_3^-,BF_3,H_3O^+,HN_3$

asked Mar 7, 2014 by sreemathi.v

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The hybridisation of N atom in $NO_2^-$ is

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The shape of methyl cation $(CH_3)^+$ is

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According to VSEPR theory,which of the following is the incorrect statement?

asked Mar 7, 2014 by sreemathi.v

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Which of the following statement is incorrect on resonance ?

asked Mar 7, 2014 by sreemathi.v

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The change in hybridisation of the Al atom in the reaction of $AlCl_3+Cl^-\rightarrow AlCl_4^-$

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Which of the following is the correct order of increasing the bond length?

asked Mar 7, 2014 by sreemathi.v

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Hybridisation and geometry of $XeO_4$ is

asked Mar 7, 2014 by sreemathi.v

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Which of the following molecule has the lowest dipolemoment?

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The nodal plane in the $\pi$-bond of ethene is located in

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In an anti-bonding molecular orbital,electron density is minimum

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According to MO theory,which of the following statement is correct?

asked Mar 7, 2014 by sreemathi.v

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hypervalent compound is

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In a non polar $AX_2$, the bond moment of $AX$ is 0.56D then the bond angle of $AX_2$ is

asked Mar 7, 2014 by sreemathi.v

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Among the following isostructural compounds,identify the compound which has the highest lattice energy

asked Mar 7, 2014 by sreemathi.v

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Which of the following is the correct order of decreasing ionic size is

asked Mar 7, 2014 by sreemathi.v

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Pick out among the following species is/are iso structural with $XeO_3$

asked Mar 7, 2014 by sreemathi.v

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Which of the following is the correct order for the strength of hydrogen bonding

asked Mar 7, 2014 by sreemathi.v

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Magnetic moment of $K_3Mn(C_2O_4)_3.3H_2O$ is

asked Mar 7, 2014 by sreemathi.v

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Which of the following is the correct for the strength of bonds by s-s,p-p,s-p overlap

asked Mar 7, 2014 by sreemathi.v

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In HCHO,the number of non-bonding electrons,$\sigma$-bonds and $\pi$ bonds are respectively

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Which of the following is the correct order of lattice energy

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The correct order of increasing $C-O$ bond length of $CO,CO_3^{2-},CO_2$ is :

asked Mar 7, 2014 by sreemathi.v

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$Mg_2C_3$ reacts with water forming propyne.$C_3^{4-}$ has how many sigma and pi bonds respectively

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In $I_3^-$ which one is correct

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In which there is change in the type of hybridisation when

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Among $KO_2,AlO_2,BaO_2$ and $NO_2^+$,unpaired electron present in

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Which of the following represent the given mode of hybridisation $sp^2-sp^2-sp-sp$ from left to right?

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Which of the following are isoelectronic and isostructural?

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Among the following molecule with the highest dipolemoment is

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Which of the following is the correct order of bond angle

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The polarisability of the halide ions in the salts $CaX_2$ is in the order of

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Which of the following molecule is having highest lattice energy

asked Mar 7, 2014 by sreemathi.v

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The hybridisation of I in $IF_7$ molecule is

asked Mar 6, 2014 by sreemathi.v

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The lone pair of electron is located in $XeF_6$ geometry is

asked Mar 6, 2014 by sreemathi.v

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Which of the following is the correct order of bond length?

asked Mar 6, 2014 by sreemathi.v

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Which of the following has highest bond length

asked Mar 6, 2014 by sreemathi.v

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Which of the following statement is incorrect?

asked Mar 6, 2014 by sreemathi.v

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Which of the following statement is correct?

asked Mar 6, 2014 by sreemathi.v

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The bond angle of $O-Xe-F$ in $XeOF_4$ is

asked Mar 6, 2014 by sreemathi.v

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Which one of the following molecule shows the highest angle

asked Mar 6, 2014 by sreemathi.v

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Which of the following is the correct order of bond angle

asked Mar 6, 2014 by sreemathi.v

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In the change of $NO^+$ to NO,the electron is added to

asked Mar 6, 2014 by sreemathi.v

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Hydrogen bonding is maximum in

asked Mar 6, 2014 by sreemathi.v

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Which of the following aromatic substitution has zero dipolemoment?

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In which set of diatomic molecules is the bond order three

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Which of the following molecule has the non-zero dipole moment

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Among the following molecules,the dipolemoment is the lowest for

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