List of top Chemistry Questions on Chemical bonding and molecular structure asked in NEET (UG)

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 (0.2 D). This is because:

Which of the following species has a linear shape?

Which of the following is not a correct statement ?

The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic number 16 is :

Which of the following is not isostructural with \(\text{SiCl}_4\) ?

The correct order in which the O—O bond length increases in the following is:

Which of the following molecules has trigonal planar geometry?

The correct sequence of increasing covalent character is represented by

Which of the following would have a permanent dipole moment?

In $BrF_3$ molecule, the lone pairs occupy equatorial positions to minimise

In a regular octahedral molecule, MX₆ the number of X–M–X bonds at 180º is

In $NO_3^-$ ion number of bond pair and lone pair of electrons on nitrogen atom are :-

Which of the following is iso-electronic :-

In which of the following, bond angle is maximum?

In $X - H ------Y ,X$ and $ Y$ both are electronegative elements, then

Which of the following two are isostructural ?

Which of the following two species in the pair are isostructural

Main axis of a diatomic molecule is z, molecular orbital px and py overlaps to form, which of the following orbital

$d\pi - p \pi$ bond present in :

Among the following group which represents the collection of isoelectronic species?

Which one of the following is not paramagnetic?

The relationship between the dissociation energy of $N_ 2$ and $ N_2^+$ is