Q. No.The correct relationship for the bond angle of water and dimethyl ether is:
| 1. | Water > dimethyl ether | 2. | Dimethyl ether > Water |
| 3. | Dimethyl ether = Water | 4. | Can not be determined. |
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The shape of AsF5 is:
1. Pentagonal bipyramidal.
2. Trigonal bipyramidal.
3. Distorted tetrahedral.
4. Square pyramidal.
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Correct statement among the following regarding the shape of HgCl2, SnCl2 and F2O is:
| 1. | All have a linear shape. |
| 2. | SnCl2 are linear and HgCl2 is V-shaped. |
| 3. | HgCl2 is linear while SnCl2 and F2O are V-shaped. |
| 4. | None of the above. |
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The correct order of the increasing bond angles in the following triatomic species is :
| 1. | \(\mathrm{NO}^-_2<\mathrm{NO}^+_2<\mathrm{NO}_2\) | 2. | \(\mathrm{NO}^-_2<\mathrm{NO}_2<\mathrm{NO}^+_2\) |
| 3. | \(\mathrm{NO}^+_2<\mathrm{NO}_2<\mathrm{NO}^-_2\) | 4. | \(\mathrm{NO}^+_2<\mathrm{NO}^-_2<\mathrm{NO}_2\) |
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The bond angles of \(\mathrm{NH}_3, \mathrm{NH}^+_4~\mathrm{and}~\mathrm{NH}^-_2\) are in the order :
| 1. | \(\mathrm{NH}^-_2> \mathrm{NH}_3>~\mathrm{NH}^+_4\) | 2. | \(\mathrm{NH}^+_4> \mathrm{NH}_3>~\mathrm{NH}^-_2\) |
| 3. | \(\mathrm{NH}_3> \mathrm{NH}^-_2>~\mathrm{NH}^+_4\) | 4. | \(\mathrm{NH}_3> \mathrm{NH}^+_4>~\mathrm{NH}^-_2\) |
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The incorrect statement among the following regarding the molecules of CH4, NH3, and H2O is:
| 1. | The H-O-H bond angle in H2O is larger than the H-C-H bond angle in CH4. |
| 2. | The H-O-H bond angle in H2O is smaller than the H-N-H bond angle in NH3. |
| 3. | The H-C-H bond angle in CH4 is larger than the H-N-H bond angle in NH3. |
| 4. | The H-C-H bond angle in CH4, the H-N-H bond angle in NH3, and the H-O-H bond angle in H2O are all greater than 90°. |
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A molecule or ion that has an unequal bond length is:
| 1. | \(\mathrm{SF}_4\) | 2. | \(\mathrm{SiF}_4\) |
| 3. | \(\mathrm{XeF}_4\) | 4. | \(\mathrm{BF}^-_4\) |
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