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A polystyrene, having formula Br(3) C(6)...

A polystyrene, having formula `Br_(3) C_(6) H_(2) (C_(8) H_(8))_(n)`, was perpared by heating styrene with tribromobenzoyl peroxide in the absence of air. If it was found to contain 10.46% bromine by weight, find the value of `n`.

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The correct Answer is:
`n=19`;
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A polystryrene, having formula Br_(3) C_(6) H_(2) (C_(8) H_(8))_(n) , was perpared heating styrene with tribromobenzoyl peroxide in the absence of air. If it was found to contain 1.46% bromine by weight, find the value of n .

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P BAHADUR-MOLE AND EQUIVALENT CONCEPT-Exercise 9 Advanced numerical problems
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  3. A mixture of NH(3(g)) and N(2)H(4((g))) is placed in a sealed containe...

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  4. Chemical absorbes can be used to remove exhaled CO(2) of space travell...

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  8. The mass of one litre sample of ozonised oxygen at NTP was found to be...

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  11. Determine the formula of ammonia from the following data: (i)Volume ...

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  13. Igniting MnO(2) in air converts it quantitatively to Mn(3)O(4). A samp...

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  14. A granulated sample of aircraft alloy (Al, Mg, Cu) weighing 8.72 g was...

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  15. A hydrated sulphate of metal contained 8.1% metal and 43.2%SO(4)^(2-) ...

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  16. A saturated solution is prepared at 70^(circ)C containing 32.0g CusO(4...

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  18. A mixture contains NaCl and unknown chloride MCl. (a) 1 g of this is...

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