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प्रश्न
Identify the following:
The element having electronic configuration 2, 8, 6.
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उत्तर
Sulphur
Explanation:
The atomic number of S is 16. The electronic arrangements are 2, 8, 6.
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संबंधित प्रश्न
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on sodium hydroxide.
What would you observe in the following case?
Sulphur trioxide is dissolved in water on a large scale.
How are the following conversions brought about? Give equation and condition:
Sulphur trioxide to sulphur acid.
Fill in the blank with appropriate word/words :
Oil of Vitriol is ___________
Name two other acids other than sulphuric acid, which can be prepared by using sulphuric acid.
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.
A. Acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidizing agent
(a) \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
(b) \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
(c) \[\ce{NaCl + 2H2SO4 -> NaHSO4 + HCl}\]
(d) \[\ce{CuO + 2H2SO4 -> CuSO4 + H2O}\]
(e) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
How will you identify?
Sulphur dioxide gas
Which property of sulphuric acid accounts for its use as a dehydrating agent?
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Sulphite/hydrogen sulphite + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
Arrange the following as per the instruction given in the bracket:
Sulphuric acid, Phosphoric acid, Acetic acid (increasing order of number of replaceable H atoms per molecule).
