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

2) Which of the following electronegativity difference suggests that the bond would be ionic nature

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

4) Choose the true statement

5) The ionization energies of III-A and VI-A show an abnormal trend while moving left to the right in a period, which can be best explained by

6) Select the specie that has the highest ionic character

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

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

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

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

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

12) The shape of the carbonate ion is

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

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

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

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

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

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

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

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

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

22) Which order of IE is incorrect

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

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

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