Chemical Bonding and Molecular Structure

Which one of the following molecules is paramagnetic ?

Amongst LiCl, RbCl, $\ce{BeCl2}$ and $\ce{MgCl2}$ the compounds with the greatest and the least ionic character, respectively are :

Which of these statements is not true ?

$\ce{EDTA^{4-}}$ is ethylenediaminetetraacetate ion. The total number of N-Co-O bond angles in $\ce{[Co(EDTA)]^{1-}}$ complex ion is

The total number of lone-pairs of electrons in melamine is

The correct statement(s) about $\ce{O3}$ is(are)

In allene $(\ce{C3H4})$, the type(s) of hybridisation of the carbon atoms is (are)

The shape of $\ce{XeO2F2}$ molecule is

With respect to graphite and diamond, which of the statement(s) given below is (are) correct?

Amongst the given options, the compound(s) in which all the atoms are in one plane in all the possible conformations (if any), is (are)

Based on VSEPR theory, the number of 90 degree F-Br-F angles in $\ce{BrF5}$ is

The species having pyramidal shape is

Assuming that Hund's rule is violated, the bond order and magnetic nature of the diatomic molecule $\ce{B2}$ is

Match each of the diatomic molecules in Column I with its property/properties in Column II.

The correct stability order of the following resonance structures is

Among the following, the correct statement is

The species having bond order different from that in CO is

Among the following, the paramagnetic compound is

The percentage of p-character in the orbitals forming P-P bonds in $\ce{P4}$ is

STATEMENT-1: Boron always forms covalent bond.

because

STATEMENT-2: The small size of $\ce{B^{3+}}$ favours formation of covalent bond.