1. The ion that is isoelectronic with CO is:
(a) CN-
(b) O2+
(c) O2-
(d) N2+
2. Which one among the following does not have H-Bonding?
(a) Phenol
(b) Liquid NH3
(c) Water
(d) Liquid HCl
3. The H-bond is strongest in:
(a) O-H…S
(b) S-H…O
(c) F-H…S
(d) F-H…O
4. Based on VSEPR theory, the number of 90degree F-Br-F angles in BF5 is
(a) 0
(b) 2
(c) 4
(d) None of These
5. Formal charges on Nitrogen atoms in N2O molecule is
(a) 0,0 respectively
(b) +1,0 respectively
(c) -1,+1 respectively
(d) +1,-1 respectively
6. Shape of [PdBr4]2-
(a) Linear
(b) Trigonal Planar
(c) Tetrahedral
(d) Square Planar
7. Bond angle in F2O molecule is
(a) 109028’
(b) 104040’
(c) 1070
(d) 1020
8. Hybridization and shape of I3- is
(a) sp2, Linear
(b) sp3, Trigonal Pyramidal
(c) sp3d, Linear
(d) sp3d, Trigonal Bipyramidal
9. carbon tetrachloride has no net dipole moment because of
(a) its planar structure
(b) its regular tetrahedral structure
(c) similar sizes of carbon and chlorine atoms
(d) similar electron affinities of carbon and chlorine
10. For a stable molecule, the value of bond order must be
(a) Negative
(b) Positive
(c) Zero
(d) No relation between them