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Some Basic Concepts of Chemistry

Long Answer Type

181.

Balance the following equation by partial equation method:
$KMnO subscript 4 plus straight H subscript 2 SO subscript 4 plus FeSO subscript 4 space rightwards arrow space space space straight K subscript 2 SO subscript 4 plus MnSO subscript 4 plus straight H subscript 2 straight O plus Fe subscript 2 left parenthesis SO subscript 4 right parenthesis subscript 3$

92 Views

Short Answer Type

182.

Balance the following equation by partial equation method:
$Cu plus HNO subscript 3 space rightwards arrow space Cu left parenthesis NO subscript 3 right parenthesis subscript 2 plus NO subscript 2 plus straight H subscript 2 straight O$

90 Views

183.
Balance the given skeletion equation $KMnO subscript 4 space plus space straight H subscript 2 SO subscript 4 space plus space left parenthesis COOH right parenthesis subscript 2 space space rightwards arrow space space straight K subscript 2 SO subscript 4 plus MnSO subscript 4 plus straight H subscript 2 straight O plus CO subscript 2$ by partial equation method.

It involves the following steps:
(i) Reaction between KMnO₄ and H₂SO₄ to liberate nascent oxygen. ...(1)
(ii) Oxalic acid is oxidised to CO₂ and water by the nascent oxygen.

...(2)
Multiplying equation (2) by 5 and adding partial equations,

87 Views

Long Answer Type

184. Balance the given skeleton equation by partial equation method:

NaOH space plus Cl subscript 2 space rightwards arrow space space NaCl plus NaClO subscript 3 plus straight H subscript 2 straight O

112 Views

185. Balance the following equations by partial equation methods:

left parenthesis straight i right parenthesis space Hg plus HNO subscript 3 space rightwards arrow space Hg subscript 2 left parenthesis NO subscript 3 right parenthesis subscript 2 plus NO plus straight H subscript 2 straight O

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114 Views

Short Answer Type

186.

Balance the following equations:
$straight S subscript 8 plus straight H subscript 2 SO subscript 4 space space rightwards arrow space space space SO subscript 2 plus straight H subscript 2 straight O$

109 Views

187.

Balance the following equations:

$straight I subscript 2 plus HNO subscript 3 space rightwards arrow space space NO subscript 2 plus HIO subscript 3 plus straight H subscript 2 straight O$

92 Views

188.

Balance the following equations:

$Zn plus HNO subscript 3 space rightwards arrow space space space space Zn left parenthesis NO subscript 3 right parenthesis subscript 2 plus NH subscript 4 NO subscript 3 plus straight H subscript 2 straight O$