| 1 |
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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| 2 |
VSEPR theory was proposed by |
- A. Nyholn and Gillespie
- B. Kossel
- C. Lewis
- D. Sidwick
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| 3 |
Which of the following has bond angle of 120 <sup>o</sup> |
- A. BeCl2
- B. BF3
- C. CH4
- D. NH3
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| 4 |
Which of the following molecules have highest bond energy |
- A. F2
- B. Cl2
- C. Br2
- D. I2
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| 5 |
Which of the following statements is not correct regarding bonding molecular orbitals |
- A. Bonding molecular orbitals possess less energy than atomic orbitals from which they are formed
- B. Bonding molecular orbitals have low electron density between the two nuclei
- C. Every electron in the bonding molecular orbitals contributes to the attraction between atoms
- D. Bonding molecular orbitals are formed when the electron waves undergo constructive interference
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| 6 |
Which bond has more ionic characters in it. |
- A. C - F
- B. N - F
- C. O - F
- D. F - F
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| 7 |
In a group of periodic table, ionization energy. |
- A. Decreases
- B. Increases
- C. Remains same
- D. First increases than increases
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| 8 |
Molecule in which the distance between two carbon atoms in the largest is. |
- A. C2H6
- B. C2H4
- C. C2H2
- D. C6H6
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| 9 |
Dipole moment of CO2 is. |
- A. 1.25 D
- B. 1.85 D
- C. 3.1 D
- D. Zero
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| 10 |
The molecule having zero dipole moment is. |
- A. NH3
- B. CHCl3
- C. H2O
- D. BF3
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