| 1 |
Which statement is true about Na and Na+ |
- A. size of Na is greater than Na+
- B. Size of Na is smaller than Na+
- C. Both have equal size
- D. Both have same properties
|
| 2 |
Which of the following molecules have highest bond energy |
- A. F2
- B. Cl2
- C. Br2
- D. I2
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| 3 |
The shielding effect of the inner electrons is responsible for |
- A. Increasing ionization energy values
- B. Decreasing ionization energy values
- C. Increasing electron affinity
- D. Increasing electonegativity
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| 4 |
The bond angle in NH3 molecule is |
- A. 109.5<sup>o</sup>
- B. 107.5<sup>o</sup>
- C. 104.5<sup>o</sup>
- D. 106<sup>o</sup>
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| 5 |
How many sigma and pi bonds are present in C2H2. |
- A. one sigma and two pi
- B. two pi and one sigma
- C. Two pi and three sigma
- D. Three pi and two sigma
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| 6 |
Which of the following has highest percentage ionic character. |
- A. HCl
- B. HF
- C. HBr
- D. HI
|
| 7 |
Carbon atom in methane in hybridized. |
- A. sp3
- B. Sp2
- C. Sp
- D. dsp3
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| 8 |
The H - H Bond energy in KJ mole -1 is. |
- A. 346
- B. 436
- C. 463
- D. 336
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| 9 |
In methanol, bond between carbon and oxygen. |
- A. Ionic
- B. Non polar
- C. Polar
- D. Co - ordinate
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| 10 |
The octet rule in not followed in the formation of |
- A. NF<sub>3</sub>
- B. CF<sub>4</sub>
- C. CCI<sub>4</sub>
- D. PCI<sub>5</sub>
|