19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The attractive force which holds various constituents (atoms, ions etc.) together in different chemical species is called a
Which of the following are isoelectronic and isostructural? NO ,CO ,ClO ,SO (a) NO ,CO (b) SO ,NO (c) ClO ,CO (d) CO ,ClO Ans. (a) Sol. Both have 32 electrons and have trigonal planar shape.
Which is not correctly matched?
The shapes of XeF4, Θ XeF and SnCl2 are:
Which of the following pairs of species have identical shapes? (a) NO and NO
Match the following Column and choose the correct option from the codes given below. Column I Column II A. BeCl2 1. Linear B. BF3 2. Trigonal planar C. CO2 Codes : A B C (a) (b) (c) (d) Ans. (c) Sol. BeCl2, CO2 linear…
Shape of XeF4 is
The species having pyramidal shape is
The shape of the molecule depends on the _______
BrF3 molecule, the lone pairs occupy an equatorial position to minimize.
The shape of the noble gas compound XeF4is :
According to Lewis and Kossel approach, which of the following molecules has complete octet of the central atom?
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
The structure which represents the molecule’s structure more accurately is called
Whenever a single Lewis structure cannot describe a molecule accurately, a number of structures with almost similar energy, position of nuclei, bonding and non-bonding pairs of electrons are taken as the canonical str…
The O─O bond length in ozone molecule is:
The compound MX is tetrahedral. The number of XMX angles in the compound is:
Which of the following compounds have the same no. of lone pairs with their central atom? (I) XeF (II) BrF (III) XeF (IV) H S (V) Triple Methylene
Which molecule has regular geometry? (I) SnCl (II) NH (III) PCl (IV) SF