When 0.15g of an organic compound was analyzed using carius method for estimation of bromine, 0.2397g of AgBr was obtained. The percentage of bromine in the organic compound is_________. (Nearest Integer) (Atomic mass: Ag = 108, Br = 80)

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Vishal Baghel | Contributor-Level 10

2 months ago

0.15 gm (organic compounds) $\to_{}^{A g N O_{3}} A g B r (s)$

$↓$

0.2397 gm

Weight of Br in AgBr = $(\frac{80}{188} \times 0.2397) = 0.102 g m$

% Br in compound = $\frac{0.102 \times 100}{0.15} = 68 %$

0.15 gm (organic compounds) <math> <mrow> <munderover> <mo>→</mo> <mrow></mrow> <mrow> <mi>A</mi> <mi>g</mi> <mi>N</mi> <msub> <mrow> <mi>O</mi> </mrow> <mrow> <mn>3</mn> </mrow> </msub> </mrow> </munderover> <mi>A</mi> <mi>g</mi> <mi>B</mi> <mi>r</mi> <mrow> <mo> (</mo> <mrow> <mi>s</mi> </mrow> <mo>)</mo> </mrow> </mrow> </math> <!- [if gte mso 9]><xml> <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1025" DrawAspect="Content" ObjectID="_1816161718"> </o:OLEObject></xml><! [endif]-> <math> <mrow> <mo>↓</mo> </mrow> </math>                                                                    <!- [if gte mso 9]><xml> <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1026" DrawAspect="Content" ObjectID="_1816161719"> </o:OLEObject></xml><! [endif]->0.2397 gmWeight of Br in AgBr = <math> <mrow> <mrow> <mo> (</mo> <mrow> <mfrac> <mrow> <mn>8</mn> <mn>0</mn> </mrow> <mrow> <mn>1</mn> <mn>8</mn> <mn>8</mn> </mrow> </mfrac> <mo>×</mo> <mn>0</mn> <mo>.</mo> <mn>2</mn> <mn>3</mn> <mn>9</mn> <mn>7</mn> </mrow> <mo>)</mo> </mrow> <mo>=</mo> <mn>0</mn> <mo>.</mo> <mn>1</mn> <mn>0</mn> <mn>2</mn> <mi>g</mi> <mi>m</mi> </mrow> </math> <!- [if gte mso 9]><xml> <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1027" DrawAspect="Content" ObjectID="_1816161720"> </o:OLEObject></xml><! [endif]->% Br in compound = <math> <mrow> <mfrac> <mrow> <mn>0</mn> <mo>.</mo> <mn>1</mn> <mn>0</mn> <mn>2</mn> <mo>×</mo> <mn>1</mn> <mn>0</mn> <mn>0</mn> </mrow> <mrow> <mn>0</mn> <mo>.</mo> <mn>1</mn> <mn>5</mn> </mrow> </mfrac> <mo>=</mo> <mn>6</mn> <mn>8</mn> <mn>%</mn> </mrow> </math> <!- [if gte mso 9]><xml> <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1028" DrawAspect="Content" ObjectID="_1816161721"> </o:OLEObject></xml><! [endif]->

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When 0.15g of an organic compound was analyzed using carius method for estimation of bromine, 0.2397g of AgBr was obtained. The percentage of bromine in the organic compound is_________. (Nearest Integer) (Atomic mass: Ag = 108, Br = 80)

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