The formation of ${\mathrm{PH}}_4^{+}$ is difficult compared to ${\mathrm{NH}}_4^{+}$ because?

Important Questions on Chemical Bonding and Molecular Structure

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

Consider the molecules $\mathrm{C}{\mathrm{H}}_4,\mathrm{ }\mathrm{N}{\mathrm{H}}_3$ and ${\mathrm{H}}_2\mathrm{O}$ . Which of the given statements is false?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The type of hybridization and no. of lone pair(s) of electron of $Xe$ in $XeO{F}_4$ , respectively, are:

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

Which of the following pairs of compounds is isoelectronic and isostructural?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The order of electronegativity of carbon in $sp, s{p}^2$ and $s{p}^3$ hybridized states follows

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

Which of the following conversions involves change in both shape and hybridisation?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

Match the interhalogen compounds of column I with the geometry in column II and assign the correct code.
 

Column I	Column II
a. ${\mathrm{XX}}^{\mathrm{\prime }}$	(i) T-shape
b. ${\mathrm{XX}}_3^{\mathrm{\prime }}$	(ii) Pentagonal bipyramidal
c. ${\mathrm{XX}}_5^{\mathrm{\prime }}$	(iii) Linear
d. ${\mathrm{XX}}_7^{\mathrm{\prime }}$	(iv) Square – pyramidal
	(v) Tetrahedral

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

${\mathrm{sp}}^3{\mathrm{d}}^2$ hybridization is not displayed by

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

Which one the following species has plane triangular shape?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The hybridization of the central atom and the shape of ${\left[{\mathrm{IO}}_2{\mathrm{F}}_5\right]}^{2-}$ ion respectively, are-

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The compounds containing sp hybridized carbon atom are

(i)  (ii) 

(iii) ${\mathrm{H}}_3\mathrm{C}-\mathrm{CN}$ (iv) ${\mathrm{H}}_2\mathrm{C}=\mathrm{C}={\mathrm{CHCH}}_3$

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The species in which the N atom is a state of sp hybridization is:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The incorrect geometry is represented by:

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The bond angle H-X-H is the greatest in the compound :

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The species having bond angles of ${120}^{°}$ is

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The ion that has ${\mathrm{s}\mathrm{p}}^3{\mathrm{d}}^2$ hybridization for the central atom is:

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

Which one of the following molecules is formed by ${\mathrm{sp}}^3$ d hybridisation?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The number of $\mathrm{s}{\mathrm{p}}^2$ hybrid orbitals in a molecule of benzene is:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The group having triangular planar structure is:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The hybridisation of atomic orbitals of nitrogen in ${\mathrm{NO}}_2^{+},\mathrm{ }{\mathrm{NO}}_3^{-}$ and ${\mathrm{NH}}_4^{+}$ , respectively are:

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hybridization

The geometry and magnetic property of ${\left[\mathrm{N}\mathrm{i}\mathrm{C}{\mathrm{l}}_4\right]}^{2-},$ respectively, are