1. The increasing order of polarizability of halides is
A. F– <Cl– <Br–<I– B. I–>Br–>Cl–>F– C. Br–>I–>F–>Cl– D. I–>Br–<Cl–<F–
2. Which of below doesn’t obey octet rule?
A. CS2 B. PBr3 C. BrF5 D. IBr
3. Which of below has lowest melting point?
A. NaF B. NaI C. NaCl D. NaBr
4. Which halide of cesium is highly ionic?
A. Iodide B. Chloride C. Bromide D. Fluoride
5. Which of below electronic configuration of ionic species represents pseudo noble gas configuration?
A. ns2 B. ns2np6 C. ns2np6 nd10 D. ns2np3
6. Which is correct about bond in fluorine molecule?
A. It has 2p-2p head on overlap B. It has parallel overlap of 2p orbitals C. It has 2s-2s orbitals overlap D. It has two sp hybrid orbitals
7. In which of the following Lewis structures, the number of lone pair and bond pair are same
but not isoelectronic?
A. O2 & N2 B. SO2 & O3 C. PCl3 &BF3 D. N2 & CO
8. Dipole moment is shown by
A. cis-2-butene B. trans-2-butene C. CCl4 D. 2-Methylpropane
9. O2+ has bond order equal to
A. 3 B. 2 C. 1 D 4
10. The type of hybridization shown by carbon-1 & carbon-2 in 1CH2=2C=CH2 are
A. sp , sp B. sp2, sp2 C. sp2, sp D. sp3, sp2
11. Which of below shows no hybridization?
A. HCl B. H2 C. H2 D. Both A&C
| 11. Which of below shows no hybridization?11. Which of below shows no hybridization? |
| A. HCl | |
| C. H2 | D. Both A&C |
11. Which of below shows no hybridization?
A. HCl B. H2 C. H2 D. Both A&C
11. Which of below shows no hybridization?
A. HCl B. H2 C. H2 D. Both A&C