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

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

3) Select the specie that has the highest ionic character

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

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

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

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

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

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

10) The energy gap between 2nd ionization energy and 3rd ionization energy is very large, it is true for an element having ______ Z value belonging to ______

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

12) 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

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

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

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

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

17) Choose the true statement

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

19) Which order of IE is incorrect

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

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

22) The shape of the carbonate ion is

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

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

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