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| Q. |
The compound to which H2 does not add is – |
| A. | Biphenyl ethylene |
| B. | Tetraphenyl ethylene |
| C. | Tetra - a - naphthylethylene |
| D. | Tetra - 9 - phenanthrylethylene |
| Answer» B. Tetraphenyl ethylene | |
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Explanation: While H2 is not very reactive under standard conditions, it does form compounds with most elements. Millions of hydrocarbons are known, but they are notformed by the direct reaction of elementary hydrogen and carbon. Hydrogen can form compounds with elements that are more electronegative, such as halogens. Hydrogen forms a vast array of compounds with carbon. |
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