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4 KOH, 02 + 2B + 2 H2O (Green) 4 HCI 3B + 2C + MnO2 + 2 H2O (Purple) H2O,KI 2B + 2A + 2KOH + D In the above sequence of reactions, A and D respectively, are: A KIO3 and MnO2 B KI and K2MnO4 MnO2 and KIO3

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Q1
A4KOH,O2−−−−−−−→2B––(Green)+2H2O
3B––4HCl−−−→2C––(Purple)+MnO2+2H2O
2B––H2O,KI−−−−−→2A––+2KOH+D––
In the above sequence of reactions, A–– and D–– respectively, are:

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Q2
In the following sequence of reactions, A and D respectively are :
A 4KOH, O2 −−−−−−−−→2B(Green)+2H2O
3B 4HCl −−−−→2C(Purple)+MnO2+2H2O
2C H2O,KI −−−−−−→2A+2KOH+D
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Q3
Balance the following equation:
KI+H2SO4+MnO2→KHSO​4+MnSO​4+H2O+ I2
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Q4

Balance the following equations and mention the type of reaction:

(i) KMnO4 k2MnO4 + MnO2 +O2

(ii) NaOH +H2SO4 Na2SO4 +H2O

(iii) MnO2 + HCl MnCl2 + Cl2 + H2O

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Q5
Balance the following equations and write sown the stoichiometric proportions.
a) CaCO3+HCl→CaCl2+H2O+CO2
b) MnO2+HCl→MnCl2+H2O+Cl2
c) Mg(OH)2+HCl→MgCl2+H2O
d) KI+H2SO4→KHSO4+I2+SO2
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