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प्रश्न
Complete the following chemical equations:
\[\ce{Z + 3 LiAlH4 -> X + 3LiF + 3AlF_3}\]
\[\ce{X + 6H2 -> Y + 6H2}\]
\[\ce{3X + 3O2 ->[Δ] B2O3 + 3H2O}\]
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उत्तर
\[\ce{\underset{(Z)}{4BF3} + 3LiAlH4 -> \underset{(X)}{2B2H6} + 3LiF + 3AlF3}\]
\[\ce{\underset{(X)}{B2H6} + 6H2O -> \underset{(Y)}{2H3BO3} + 6H2}\]
\[\ce{\underset{(X)}{B2H6} + 3O2 ->[Δ] B2O3 + 3H2O}\]
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संबंधित प्रश्न
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BCl3
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Tl (NO3)3 acts as an oxidising agent.
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\[\ce{X ->[Δ][370 K] HBO2 ->[Δ][> 370 K] Z}\]
Match the species given in Column I with the properties mentioned in Column II.
| Column I | Column II |
| (i) \[\ce{BF^{-}4}\] | (a) Oxidation state of central atom is +4 |
| (ii) AICI3 | (b) Strong oxidising agent |
| (iii) SnO | (c) Lewis acid |
| (iv) PbO2 | (d) Can be further oxidised |
| (e) Tetrahedral shape |
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Oxidation states
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PbO2 is a stronger oxidising agent than SnO2
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The +1 oxidation state of thallium is more stable than its +3 state.
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