Chemical Bonding and Molecular Structure · Question 35

Bromine trifluoride autoionizes to form BrF2 and BrF4 . The shapes of the cation and anion are respectively and .

1. bent, square planar
2. linear, square planar
3. bent, see-saw
4. linear, tetrahedral

The pairs among A = [SO32-, CO32-], B = [O22-, F2], C = [CN-, CO], D = [NH3, H3O+] and E = [MnO42-, CrO42-] that do not have similar Lewis dot structure are

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

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

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

Consider the following species: BrF5, XeF5-, BF4-, ICl4-, XeF4, SF4, NH4+, ClF3, XeF2, ICl2- Number of species having sp3d hybridized central atom is .

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