In BrF3 molecule, the lone pairs occupy equatorial positions to minimize [2004]
The correct sequence of increasing covalent character is represented by [2005]
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Which of the following molecules has trigonal planar geometry? [2005]
Which of the following is not a correct statement?
In which of the following molecules all the bonds are not equal? [2006]
The electronegativity difference between N and F is greater than that between N and H yet the dipole moment of NH3 (1.5 D) is larger than that of NF3 (0.2D). This is because [2006]
Which of the following is not isostructural with SiCl4?[2006]
The correct order of C–O bond length among CO, CO32- , CO2 is [2007]
The angular shape of ozone molecule (O3) consists of : [2008]
Four diatomic species are listed below in different sequences. Which of these presents the correct order of their increasing bond order ? [2008]
In which of the following molecules / ions BF3, NO2-, NH2- and H2O , [2009] the central atom is sp2 hybridized ?
In which one of the following species the central atom has the type of hybridization which is not the same as that present in the other three?
Some of the properties of the two species, NO3- and H3O+ are described below. Which one of them is correct? [2010]
Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear ? [2011]
Which one of the following pairs is isostructural (i.e., having the same shape and hybridization)? [2012]