19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The shape of the noble gas compound XeF4is :
The geometrical arrangement of orbitals and shape of I3– are respectively:
The pair of species with similar shape is :
Correct statement regarding molecules SF4, CF4 and XeF4are:
Which of the molecules has trigonal bipyramidal geometry with bond angles 120o and 90o?
In which of the following structures all the bonds are present at 90o?
Which of the following molecules have same molecule geometry? I. CH4, II BF3 III. NH4+, IV. SF4
For the prediction of geometrical shapes of molecules with the help of VSEPR theory molecules are divided into two categories. These categories are
Why does the repulsion is greater in lp-lp as compared to lp-bp and bp-bp ?
The decreasing order of the repulsive interaction of electron pairs is (Here, lp=lone pair, bp=bond pair).
Consider the following statements, 1. The shape of a molecule depends upon the number of valence shell electron pairs (bonded or non-bonded) around the central atom. 2. Pairs of electrons in the valence shell repel on…
Among the following, the molecule with highest dipole moment is :
Which of the following molecules does not have a dipole moment?
The highest dipole moment is of:
Polarity in a molecule and hence the dipole moment depends primarily on electronegatively of the constituent atoms and shape of a molecule. Which of the following has the highest dipole moment?
NH3 and NF3, both the molecules have pyramidal shape with a lone pair of electrons on nitrogen atom. Why does the dipole moment of NH3 is greater than that of NF3? Choose the correct option.
The decreasing order of dipole moments of the molecules HF, H2O, BeF2, NF3 is
Which of the following molecule has dipole moment zero?
The net dipole moment of H2O molecule is
The dipole moment of HF molecule may be represented as (a) (b) (c) (d) Ans. (b) Sol. This arrow symbolizes the direction of the shift of electron density in the molecule.
Dipole moment is usually expressed in Debye units
Dipole moment is usually designated by a Greek letter ‘μ ‘ µ = Q × r Here Q and r represents
The product of the magnitude of the charge and the distance between the centres of positive and negative charge is called.
Which of the following molecules represents resonance
Which of the following is correct representation of canonical forms resonance?