Chemical Bonding Questions
Which of the following has least polarity in bond?
Which of the following statements regarding covalent bond is not true?
The M.P. of SnCl₄ is less than of SnCl₂, the suitable reason for the observed fact is:
Which of the compound is least soluble in water:
Correct order of covalent character of alkaline earth metal chloride in:
The type of bond formed between two electronegative atoms would be:
Which of the following bonds will have directional character:
In a triple bond there is sharing of:
Which of the following statement is not true about covalent compounds:
A covalent bond is possible between:
Ionic reactions occur in :
Solid NaCl is a bad conductor of electricity because:
Polarity between two atoms is depend on:
Electrovalent compounds or ionic compounds do not show stereoisomerism. The reason is:
Conditions for ionic bond formation is/are: (1) Small cation, large anion (2) low IP of cation, high electron affinity of anion (3) Large cation, small anion (4) Less lattice energy Correct answer is:
Ionic compounds in general possess both:
Element A has 3 electrons in the outermost orbit and element B has 6 electrons in the outermost orbit. The formula of the compound formed between A and B would be:
Element X is strongly electropositive and Y is strongly electronegative. Both are univalent. The compound formed would be:
Electrovalent bond or ionic bond is formed by:
The electronegativity of cesium is 0.7 and fluorine is 4.0. The bond formed between the two is:
Most favourable conditions for electrovalent bonding are:
an electrovalent bond or ionic bond is formed between :
Which condition favours the bond formation:
The combination of atoms occur because they want :
When two atoms combine to form a molecules:
The hybridization of atomic orbitals of nitrogen in , and are
How many σ and p bonds will be in allyisoyanide
The ratio of σ to p bonds in mesitylene is
The electronegativity of O,F,N, Cl and H are 3.5, 4.0, 3.0 and 2.1 respectively. The strongest bond will be :
Assertion :- B2 is paramagnetic molecule. Reason :- It has two unpaired electrons in π2p MO.
Statement-1 : Dipole moment of NF3 is less than that of NH3. Statement-II : Polarity of N – F bond is less than that of N – H bond.
Match List - I with List - II according to shape.Choose the correct answer from the options given below
The hybridization of N in N(SiH₃)₃ and the shape of N(SiH₃)₃ respectively are
Given below are two statements. Statement I: O₂⁺, O₂, O₂⁻ and O₂²⁻ are paramagnetic in nature with bond order 2.5, 2, 1.5 and 1 respectively. Statement II: The lowest unoccupied molecular orbital (LUMO) for O₂ is σ*2pz. In the light of above statemen
Consider the following species: NO, H₂SO₄, O₃, NO₂, PCl₅, N₂O, CO₂ The number of species which do not follow octet rule is:
The correct order of dipole moment is :
Which one is paramagnetic and has the bond order 1/2
In which molecule all atoms are coplanar
Which of the following species contains three bond pairs and one lone pair around the central atom?
Which of the following pairs of ions are isoelectronic and isostructural?
All of the following are diamagnetic in nature, except:
Among CaH2, BeH2, BaH2, the order of ionic character is;
XeF2 is isostructural with:-
Which of the following diatomic molecular species has only π bonds according to Molecular Orbital Theory?
Which of the following has bond order 2?
Molecular shapes of CF4 and XeF4 are;
Consider the molecules CH4, NH3 and H2O. Which of the given statements is false?
Which of the following is incorrect?
N2 and O2 are converted into monocations, N2+ and O2+ respectively. Which of the following statement is wrong?
The electron adds to which one of the following orbitals during change of N2 to N2– ?