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Recent questions tagged chemical-bonding-and-molecular-structure

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

1 answer

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

asked Mar 7, 2014 by sreemathi.v

1 answer

Which of the following is the correct order of lattice energy

asked Mar 7, 2014 by sreemathi.v

1 answer

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

asked Mar 7, 2014 by sreemathi.v

1 answer

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

asked Mar 7, 2014 by sreemathi.v

1 answer

In $I_3^-$ which one is correct

asked Mar 7, 2014 by sreemathi.v

1 answer

In which there is change in the type of hybridisation when

asked Mar 7, 2014 by sreemathi.v

1 answer

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

asked Mar 7, 2014 by sreemathi.v

1 answer

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

asked Mar 7, 2014 by sreemathi.v

1 answer

Which of the following are isoelectronic and isostructural?

asked Mar 7, 2014 by sreemathi.v

1 answer

Among the following molecule with the highest dipolemoment is

asked Mar 7, 2014 by sreemathi.v

1 answer

Which of the following is the correct order of bond angle

asked Mar 7, 2014 by sreemathi.v

1 answer

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

asked Mar 7, 2014 by sreemathi.v

1 answer

Which of the following molecule is having highest lattice energy

asked Mar 7, 2014 by sreemathi.v

1 answer

The hybridisation of I in $IF_7$ molecule is

asked Mar 6, 2014 by sreemathi.v

1 answer

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

asked Mar 6, 2014 by sreemathi.v

1 answer

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

asked Mar 6, 2014 by sreemathi.v

1 answer

Which of the following has highest bond length

asked Mar 6, 2014 by sreemathi.v

1 answer

Which of the following statement is incorrect?

asked Mar 6, 2014 by sreemathi.v

1 answer

Which of the following statement is correct?

asked Mar 6, 2014 by sreemathi.v

1 answer

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

asked Mar 6, 2014 by sreemathi.v

1 answer

The number of lone pairs are located in equatorial position of $ClF_3$

asked Mar 6, 2014 by sreemathi.v

1 answer

Which one of the following molecule shows the highest angle

asked Mar 6, 2014 by sreemathi.v

1 answer

Which of the following is the correct order of bond angle

asked Mar 6, 2014 by sreemathi.v

1 answer

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

asked Mar 6, 2014 by sreemathi.v

1 answer

Hydrogen bonding is maximum in

asked Mar 6, 2014 by sreemathi.v

1 answer

Which of the following aromatic substitution has zero dipolemoment?

asked Mar 6, 2014 by sreemathi.v

1 answer

In which set of diatomic molecules is the bond order three

asked Mar 6, 2014 by sreemathi.v

1 answer

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

asked Mar 6, 2014 by sreemathi.v

1 answer

Among the following molecules,the dipolemoment is the lowest for

asked Mar 6, 2014 by sreemathi.v

1 answer

The hybridisation in both$CH_4$ and $NH_3$ is $sp^3$ .Yet $CH_4$ is tetrahedral and $NH_3$ is of pyramidal shape because

asked Mar 6, 2014 by sreemathi.v

1 answer

The number of $\sigma$ and $\pi$-bonds between two carbon atoms in $CaC_2$ is

asked Mar 6, 2014 by sreemathi.v

1 answer

The incorrect combination among the following is

asked Mar 6, 2014 by sreemathi.v

1 answer

Which of the following species has two non-bonded electron pairs on the central atom?

asked Mar 6, 2014 by sreemathi.v

1 answer

The correct one among the following statements about $N_2$ is

asked Mar 6, 2014 by sreemathi.v

1 answer

The highest occupied molecular orbital in HF is

asked Mar 6, 2014 by sreemathi.v

1 answer

Among the following the paramagnetic compound is

asked Mar 6, 2014 by sreemathi.v

1 answer

The species having bond order different from that in CO is

asked Mar 6, 2014 by sreemathi.v

1 answer

Both $[Ni(CO)_4]$ and $[Ni(CN)_4]^{2-}$ are diamagnetic.The hybridisation of nickel in these complexes ,respectively are

asked Mar 6, 2014 by sreemathi.v

1 answer

The species having pyramidal shape is

asked Mar 6, 2014 by sreemathi.v

1 answer

Based on VSPER theory,the number of 90 degree F-Br F angles in $BrF_5$ is

asked Mar 6, 2014 by sreemathi.v

1 answer

Stability of the species $Li_2,Li_2^-$ and $Li_2^+$ increases in the order

asked Mar 6, 2014 by sreemathi.v

1 answer

According MO theory,which of the following species has the shortest bond length?

asked Mar 6, 2014 by sreemathi.v

1 answer

The hybridisation of orbitals of N atoms in $NO_3^-,NO_2^+$ and $NH_4^+$ are respectively

asked Mar 6, 2014 by sreemathi.v

1 answer

Which of the following is not isoelectronic?

asked Mar 6, 2014 by sreemathi.v

1 answer

Which of the following is the correct order of their stability?

asked Mar 6, 2014 by sreemathi.v

1 answer

Which atoms in $H_2O$ and $ClF$ are negatively charged

asked Mar 6, 2014 by sreemathi.v

1 answer

The bond order and magnetic behaviour of $He_2^{2+}$ are respectively

asked Mar 6, 2014 by sreemathi.v

1 answer

Which of the following molecule has the highest dipole moment

asked Mar 6, 2014 by sreemathi.v

1 answer

The number of $\sigma$ and $\pi$ bonds in $1,3$-butadiene

asked Mar 5, 2014 by sreemathi.v

1 answer

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