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Nucleophilic Substitution in Alkyl Halides

26.1g of MnO2...

Question

26.1g of MnO2 react with 54.7 g of HCl ; MnO2 + 6HCl -> MnCl2 + 2H2O +Cl2 1. What is the volume 0of Co2 evolved 2. Which is limiting reagent. How much excess reagent required

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Solution

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0.80

M n O_{2}

146

H C l

M n O_{2} + 4 H C l ⟶ M n C l_{2} + C l_{2} + 2 H_{2} O

(M n O_{2})

M n O_{2} + 4 H C l \to M n C l_{2} + C l_{2} + 2 H_{2} O

M n O_{2}

M n O_{2}

H C l

M n O_{2} + 4 H C l ⟶ M n C l_{2} + 2 H_{2} O + C l_{2}

M n O_{2}

H C l

0.80

M n O_{2}

146

H C l

M n O_{2} + 4 H C l ⟶ M n C l_{2} + C l_{2} + 2 H_{2} O

M n O_{2} + 4 H C l 100 % - -- \to M n C l_{2} + C l_{2} + 2 H_{2} O

17.4 g M n O_{2}

500 m L

H C l

7.3 g

H C l

M n = 55 g / m o l

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