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હાઇડ્રોજન

H₂O₂ નું બંધારણીય સૂત્ર ..............

$straight H space minus space straight O space minus space straight O space minus space straight H$
$table row straight H blank blank blank blank blank row vertical line blank blank blank blank blank row straight O straight _ straight O blank blank blank row blank blank vertical line blank blank blank row blank blank straight H blank blank blank end table$

D₂ અણુમાં ન્યુલ્કિઓનની સંખ્યા જણાવો.

કઇ પ્રક્રિયા પરિસ્થિતિ સાચી છે ?

$bold CH subscript bold 3 bold OH subscript bold left parenthesis bold I bold right parenthesis end subscript bold space bold rightwards arrow from bold left square bracket bold Cu subscript bold 2 bold O bold right square bracket to bold 50 subscript bold બાર bold space bold 679 bold space bold K of bold space bold CO subscript bold left parenthesis bold g bold right parenthesis end subscript bold space bold plus bold space bold 2 bold H subscript bold 2 bold left parenthesis bold g bold right parenthesis end subscript$
$bold CH subscript bold 3 bold OH subscript bold left parenthesis bold I bold right parenthesis end subscript bold space bold rightwards arrow from bold left square bracket bold Cu subscript bold 2 bold O bold right square bracket to bold 5 subscript bold બાર bold space end subscript bold space bold 673 bold space bold K of bold space bold CO subscript bold left parenthesis bold g bold right parenthesis end subscript bold space bold plus bold space bold 2 bold H subscript bold 2 bold left parenthesis bold g bold right parenthesis end subscript$
$bold CH subscript bold 3 bold OH subscript bold left parenthesis bold I bold right parenthesis end subscript bold space bold rightwards arrow from bold left square bracket bold Cu subscript bold 2 bold O bold right square bracket to bold 50 subscript bold બાર bold space end subscript bold 673 bold space bold K of bold space bold CO subscript bold left parenthesis bold g bold right parenthesis end subscript bold space bold plus bold space bold 2 bold H subscript bold 2 bold left parenthesis bold g bold right parenthesis end subscript$
$bold CH subscript bold 3 bold OH subscript bold left parenthesis bold I bold right parenthesis end subscript bold space bold rightwards arrow from bold left square bracket bold Cu subscript bold 2 bold O bold right square bracket to bold 50 subscript bold બાર bold space bold 673 bold space bold K of bold space bold CO subscript bold left parenthesis bold g bold right parenthesis end subscript bold space bold plus bold space bold 2 bold H subscript bold 2 bold left parenthesis bold g bold right parenthesis end subscript$

નીચેના પૈકી કઈ પ્રક્રિયાઓમાં મળતો હાઇડ્રોજન વાયુ H₂O સિવાયના પ્રક્રિયકના રિડકશનથી મળે છે ?
$bold 1 bold. bold space bold C subscript bold left parenthesis bold s bold right parenthesis end subscript bold space bold plus bold space bold H subscript bold 2 bold O bold space bold rightwards arrow from bold left square bracket bold Ni bold divided by bold Fe bold right square bracket to bold 1270 bold space bold K of bold space bold CO bold plus bold space bold H subscript bold 2 bold 2 bold. bold space bold Zn subscript bold left parenthesis bold s bold right parenthesis end subscript bold space bold plus bold space bold H subscript bold 2 bold SO subscript bold 4 bold space bold rightwards arrow bold space bold ZnSO subscript bold 4 bold space bold plus bold space bold H subscript bold 2 bold left parenthesis bold g bold right parenthesis end subscript bold 3 bold. bold space bold Zn subscript bold left parenthesis bold s bold right parenthesis end subscript bold space bold plus bold space bold 2 bold NaOH bold space bold rightwards arrow bold space bold Na subscript bold 2 bold ZnO subscript bold 4 bold space bold plus bold space bold 2 subscript bold 2 bold left parenthesis bold g bold right parenthesis end subscript bold 4 bold. bold space bold NaCl subscript bold left parenthesis bold aq bold right parenthesis end subscript bold space bold rightwards arrow with bold વ િ દ ્ ય ુ તવ િ ભ ા જન bold space on top bold space bold ક ૅ થ ો ડ bold space bold પર bold space bold space bold H subscript bold 2 bold left parenthesis bold g bold right parenthesis end subscript$

પ્રક્રિયા 2, 3, 4
પ્રક્રિયા 1, 2, 3
પ્રક્રિયા 1, 2, 3, 4
પ્રક્રિયા 2 , 3

90 g પાણીનું વિદ્યુતવિભાજન કરવાથી કેટલા મોલ O_2(g) મળે ?

$bold 1 bold 1 over bold 2$ મોલ
5 મોલ
1 મોલ
2.5 મોલ

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