Chemical Bonding and Molecular Structure · Question 5

The covalent radii of atoms A and B are rA and rB, respectively. The covalent bond length and total length of AB molecule are respectively

1. (rA + rB), 2(rA + rB)
2. 12(rA + rB), (rA + rB)
3. (rA + rB), (rA + rB)
4. 2(rA + rB), 12(rA + rB)

According to Lewis theory, the total number of bond-pairs and lone pair of electrons around the central atom of XeO64- ion is .

Which of the following pictorial diagrams most correctly represents the * ( antibonding) molecular orbital between two atoms if the internuclear axis is taken to be in the z-direction ( z-axis) ?

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true

SF4 is isostructural with : Choose the correct answer from the options given below :

1. C Only
2. C and E Only
3. A and D Only
4. B and E Only

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below

1. Both Statement I and Statement II are false
2. Statement I is true but Statement II is false
3. Statement I is false but Statement II is true
4. Both Statement I and Statement II are true

Match List-I with List-II according to shape. Choose the correct answer from the options given below :

1. A-II, B-III, C-I, D-IV
2. A-III, B-II, C-IV, D-I
3. A-II, B-III, C-IV, D-I
4. A-II, B-I, C-III, D-IV

Given below are statements about some molecules/ions. Identify the CORRECT statements. Choose the correct answer from the options given below:

1. B & C Only
2. B, C & D Only
3. A, C & D Only
4. A, B, C, D & E

Among the following, the CORRECT combinations are Choose the correct answer from the options given below:

1. B, C and D Only
2. A, B, C and D
3. A, B and C Only
4. A and B Only

Pair of species among the following having same bond order as well as paramagnetic character will be-

1. O2-, N2+
2. O2+, N22-
3. O2-, N2-
4. O2+, N2-