Match List-I with List-II and choose the correct matching codes from the choices given.
List - I | List - II |
A. PCl5 | 1. Linear |
B. IF7 | 2. Pyramidal |
C. H3O+ | 3. Trigonal bipyramidal |
D. ClO2 | 4. Tetrahedral |
E. NH |
5. Pentagonal bipyramidal 6. Angular |
A - 3; B - 5; C - 2; D - 1; E - 4
A - 3; B - 5; C - 4; D - 1; E - 2
A - 3; B - 5; C - 6; D - 1; E - 2
A - 3; B - 5; C - 2; D - 6; E - 4
Among the following, the pair in which the two species are not isostructural are
IO and XeO3
PF and SF6
BH and NH
CO and NO
Which of the following ions has a magnetic moment of 5.93 BM ?
(At. no. V = 23; Cr = 24; Mn = 25; Fe = 26)
Mn2+
Fe2+
Cr2+
V3+
Identify the correct statement from below, concerning the structure of CH2 = C = CH2
The molecule is planar
One of the three carbon atoms is in an sp3 hybridized state
The molecule is non-planar with the two -CH2 groups being in planes perpendicular to each other
All the carbon atoms are sp-hybridized
Molecular shapes of SF4, CF4, XeF4 are :
the same with 2, 0 and 1 lone pair of electron respectively
the same with 1, 1 and 1 lone pair of electrons respectively
different with 0, 1 and 2 lone pair of electrons respectively
different with 1, 0 and 2 lone pair of electrons respectively
The presence of Ag+ ion increases the solubility of alkenes due to the formation of :
d-dσ bonding
pσ-p bonding
p bonding
None of the above
Each B - H - B bridge in B2H6 is formed by the sharing of:
2 electrons
4 electrons
1 electron
3 electrons
If the molecule of HCl were totally polar, the expected value of dipole moment is 6.12 D (debye), but the experimental value of dipole moment was 1.03 D. Calculate the percentage ionic character :
17
83
50
Zero