| 1 |
An ionic compound A<sup>+</sup>B<sup>-</sup>is most likely to be formed when |
- A. The ionization energy of A is high and electron affinity of B is low
- B. The ionization energy of A is low and electron affinity of B is high
- C. Both the ionization energy of A and electron affinity of B are high
- D. Both the ionization energy of A and electron affinity of B are low
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| 2 |
VSEPR theory was proposed by |
- A. Nyholn and Gillespie
- B. Kossel
- C. Lewis
- D. Sidwick
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| 3 |
The number of bonds in nitrogen molecule is |
- A. One o and one<span style="box-sizing: border-box; color: rgb(34, 34, 34); font-family: "Times New Roman"; font-size: 18px; background-color: rgb(255, 255, 248);">π</span>
- B. One o and two<span style="font-family: "Times New Roman"; font-size: 18px; color: rgb(34, 34, 34); box-sizing: border-box; background-color: rgb(255, 255, 248);">π </span>
- C. Three sigma only
- D. Two o and two<span style="font-family: "Times New Roman"; font-size: 18px; color: rgb(34, 34, 34); box-sizing: border-box; background-color: rgb(255, 255, 248);">π</span>
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| 4 |
The tendency of an tom to attract shared pair of electron towards itself is called its. |
- A. Ionization energy
- B. Electronegativity
- C. Electron affinity
- D. dipole moment
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| 5 |
As compared to pure atomic orbitals the hybrid orbitals have. |
- A. Low energy
- B. High energy
- C. Same energy
- D. None of these
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| 6 |
The molecule having zero dipole moment is. |
- A. NH3
- B. CHCl3
- C. H2O
- D. BF3
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| 7 |
The shape of Sncl2 molecule is. |
- A. Linear
- B. Angular
- C. Trigonal planar
- D. Tetrahedral
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| 8 |
Which has zero potential energy. |
- A. When H atom is independent
- B. When two H atoms combine to form H2 molecule
- C. When two H atoms super impose to each other
- D. When two H atoms have weak attraction between them
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| 9 |
Which molecules is 100% covalent |
- A. H2
- B. H2O
- C. HF
- D. NH3
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| 10 |
In methanol, bond between carbon and oxygen. |
- A. Ionic
- B. Non polar
- C. Polar
- D. Co - ordinate
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