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Hydrogen

Question
CBSEENCH11006927

Complete the following equations:
left parenthesis straight i right parenthesis space Ca subscript 3 straight P subscript 3 space plus space straight H subscript 2 straight O space space space rightwards arrow
left parenthesis ii right parenthesis space Mg subscript 3 straight N subscript 2 space plus space straight H subscript 2 straight O space space rightwards arrow
left parenthesis iii right parenthesis space Al subscript 4 straight C subscript 3 space plus space straight H subscript 2 straight O space space rightwards arrow
left parenthesis iv right parenthesis space CaC subscript 2 space plus space straight H subscript 2 straight O space space rightwards arrow
left parenthesis straight v right parenthesis space AlN space plus space straight H subscript 2 straight O space space rightwards arrow

Solution
left parenthesis straight i right parenthesis space stack Ca subscript 3 straight P subscript 2 with Calcium space phosphate below space space plus space 6 straight H subscript 2 straight O space space space space rightwards arrow space space space space 3 Ca left parenthesis OH right parenthesis subscript 2 space plus space stack 2 PH subscript 3 with Phosphine below
left parenthesis ii right parenthesis space stack Mg subscript 3 straight N subscript 2 with Magnesium space nitride below space space plus space straight H subscript 2 straight O space space space rightwards arrow space space space space 3 Mg left parenthesis OH right parenthesis subscript 2 space plus space stack 2 NH subscript 3 with Ammonia below
left parenthesis iiii right parenthesis space stack Al subscript 4 straight C subscript 3 with Aluminium space carbide below space plus space 12 straight H subscript 2 straight O space space space rightwards arrow space space space space 4 Al left parenthesis OH right parenthesis subscript 3 space plus space stack 3 CH subscript 4 with Methane below
left parenthesis iv right parenthesis space stack CaC subscript 2 with Calcium space carbide below space plus space straight H subscript 2 straight O space space rightwards arrow space space Ca left parenthesis OH right parenthesis subscript 2 space plus space stack straight C subscript 2 straight H subscript 2 with Acetylene below
left parenthesis straight v right parenthesis space stack AlN space plus space 3 straight H subscript 2 straight O with Aluminium space nitride below space space space rightwards arrow space space space space Al left parenthesis OH right parenthesis subscript 3 space plus space stack NH subscript 3 with Ammonia below