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Standard X

Chemistry

Common Salt

When a metal ...

Question

When a metal X is treatwd with cold water it gives a basic salt Y with molecular formula XOH (molecular mass=40) and liberates a gas Z. Identify X, Y and Z and also write the reactions involved

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Solution

We found a similar question to the one that you posted. Please check it out here.
X−Na,Y−NaOH,Z−H2

Molecular mass of X+O+H=40
→X+16+1=40
→X=23
Only Na has the molecular mass of 23

H2 easily catches fire.

2Na(s)+2H2O(cold)→2NaOH(aq)+H2(g)+Heatenergy

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Q. When a metal X is treated with cold water, it gives a base Y with molecular formula XOH (Molecular mass = 40) and liberates a gas Z, which easily catches fire. Identify X, Y and Z and also write the reaction involved.

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Question 42
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When a metal X is treatwd with cold water it gives a basic salt Y with molecular formula XOH (molecular mass=40) and liberates a gas Z. Identify X, Y and Z and also write the reactions involved

We found a similar question to the one that you posted. Please check it out here. X−Na,Y−NaOH,Z−H2 Molecular mass of X+O+H=40 →X+16+1=40 →X=23 Only Na has the molecular mass of 23 H2 easily catches fire. 2Na(s)+2H2O(cold)→2NaOH(aq)+H2(g)+Heatenergy

We found a similar question to the one that you posted. Please check it out here.
X−Na,Y−NaOH,Z−H2

Molecular mass of X+O+H=40
→X+16+1=40
→X=23
Only Na has the molecular mass of 23

H2 easily catches fire.

2Na(s)+2H2O(cold)→2NaOH(aq)+H2(g)+Heatenergy