List of top Chemistry Questions on Chemical bonding and molecular structure asked in AP EAMCET

The bond lengths of diatomic molecules of elements X, Y, and Z respectively are 143, 110, and 121 pm. The atomic numbers of X, Y, and Z respectively are:
Identify the set of molecules in which the central atom has only one lone pair of electrons in their valence shells:
Hydrolysis of XeF$_4$ gives HF, O$_2$, Xe and 'X'. The structure of 'X' is
The correct formula used to determine the formal charge (\( Q_f \)) on an atom in the given Lewis structure of a molecule or ion is (V = number of valence electrons in free atom, U = number of unshared electrons on the atom, B = number of bonds around the atom)

Match the following bond enthalpies with their respective bonds: 

In which of the following cases, there is no change in hybridization of the central atom?
In the given structure of Diborane, \( \theta_1, \theta_2 \) are respectively:
structure of Diborane, θ1, θ2
The correct order of decomposition temperature of \(MgCO_3\) (X), \(BaCO_3\) (Y), \(CaCO_3\) (Z) is:
The correct increasing order of number of lone pair of electrons on the central atom of \(SnCl_2\), \(XeF_2\),\( CIF_3\) and \( SO_3\) is
Which of the following sets are correctly matched?
(i) B2H6- electron deficient hydride
(ii) NH3- electron precise hydride
(iii) H2O- electron rich hydride
The bond order of which of the following two species is the same?
Lithium forms an alloy with ‘X’. This alloy is used to make armor plates. What is ‘X’?
In which of the following sets of molecules, the central atoms of molecules have same hybridisation?
Which one of the following is used as piezoelectric material?
Which of the following is/are ionic in nature?
(i) GeF4
(ii) SnF4
(iii) PbF4
Identify the correct sets:
(i) Boron fibres- bulletproof vest
(ii) Metal borides- protective shields
(iii) Borax- glass wool
Choose the correct option from the following