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| 1. |
What happens when (i)(NH_(4))_(2)Cr_(2)O_(7)is heated ? (ii) H_(3)PO_(3)is heated ? |
| Answer» Solution :(ii) `4H_(3)PO_(3)overset(473K) (rarr) 3H_(3)PO_(4)+ PH_(3) ` | |