Blog

1) The central atom of a specie having three bond pairs with no lone pair will have geometry

2) Choose the true statement

3) The bond in the fluorine molecule is formed by the overlapping of ______ on each atom of the fluorine atom

4) The percentage of s-character in hybrid orbital which indicates the longest bond length

5) The bond between carbon and oxygen in CO₂ is most likely:

6) H₃O⁺ contains
I-Electrovalent bond
II-Dative bond
III-Covalent bond

7) Which atomic numbers in the periodic table represent the elements that generally show abnormal trends in ionization energy

8) The compromised distance between two hydrogen atoms in a hydrogen molecule is

9) The high value of the first ionization energy of nitrogen than that of oxygen is due to its

10) Which of the following is the correct bond energy order?

11) The hybridization of carbon number 2 in 1,2-Butadiene

12) Which order of IE is incorrect

13) Which of the following will have the highest bond energy?

14) The elements of ______, ______ and _______ show abnormally low values of electron affinity in every period

15) Which of the following species contains an sp-hybridized carbon atom

16) The radius of an atom cannot be measured precisely because

17) The half of _________ bond between two similar atoms covalently bonded in a molecule is called the covalent radius.

18) The tendency of an atom to _______ is called electronegativity.

19) Ammonia (NH₃) can bond with boron trifluoride (BF). For the bond formation, the electrons are most likely supplied by

20) H-O-H bond angle in H₂O is 104.5° and not 109° because of more space occupied by

21) The shape of the carbonate ion is

22) The shortening of bonds is due to the predominant participation of ________ orbital in hybridization

23) Which of the following types of bonds has the least electronegativity difference between the bonding atoms?

24) Select the specie that has the highest ionic character

25) All of the following are co-planar molecules except