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प्रश्न
How do non-metals react with hydrogen? Explain with an example.
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उत्तर
Non-metals react with hydrogen by sharing their electrons with hydrogen electrons to form covalent hydrides.
For example: Sulphur shares its electrons with hydrogen electrons to form hydrogen sulphide that is covalent in nature.
H2(g) + S(l) → H2S (g)
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संबंधित प्रश्न
A solution of CuSO4 in water is .................... in colour.
(a) Pink
(b) Blue
(c) Colourless
(d) Green
A student added few pieces of aluminium metal to two test tubes A and B containing aqueous solutions of iron sulphate and copper sulphate. In the second part of her experiment, she added iron metal to another test tubes C and D containing aqueous solutions of aluminium sulphate and copper sulphate.
In which test tube or test tubes will she observe colour change? On the basis of this experiment, state which one is the most reactive metal and why.
What name is given to those metal oxides which show basic as well as acidic behaviour?
Name the metal which has been placed at the bottom of the reactivity series.
Write equation for the reaction of magnesium with oxygen.
What will happen if a strip of zinc is immersed in a solution of copper sulphate?
Complete and balance the following equation:
Na + O2 →
Complete and balance the following equation:
Na2O + H2O →
Which of the following elements would yield a basic oxide.
Na, S, C, K, H
What is the nature of the oxide Na2O? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.
How do metals react with hydrogen? Explain with an example.
What happens when magnesium reacts with very dilute nitric acid? Write an equation for the reaction involved.
Name two metals which cannot displace hydrogen from dilute acids.
An element X reacts with hydrogen, when heated, to form a covalent hydride H2X. If H2X has a smell of rotten eggs, the element X is likely to be:
(a) carbon
(b) sulphur
(c) chlorine
(d) phosphorus
The elements whose oxides can turn litmus solution blue are:
(a) carbon and sulphur
(b) sodium and carbon
(c) potassium and magnesium
(d) magnesium and sulphur
Name a metal which It does not react with any physical state of water?
Write the chemical equation of the above process.
Rewrite the following statement by selecting the correct option.
A solution of Al2(SO4)3 in water is _____________.
Arrange the following metals in the increasing order of their reactivities:
Copper, Zinc, Aluminium, and Iron
