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Gypsum on heating to 390 K gives...

Gypsum on heating to `390 K` gives

A

`CaSO_(4).2H_(2)O`

B

`CaSO_(4)`

C

`CaSO_(4).(1)/(2)H_(2)O`

D

`SO_(3) and CaO`

Text Solution

Verified by Experts

The correct Answer is:
C
`underset("gypsum")(CaSO_(4).2H_(2)O)overset(390 K)(rarr)CaSO_(4).(1)/(2)H_(2)O+(3)/(2)H_(2)O`
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CENGAGE CHEMISTRY-S-BLOCK GROUP 2 - ALKALINE EARTH METALS-Exercises Single Correct
  1. Out of the following matals that cannot be obtained by electrolysis of...

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  2. An important ore of magnesium is

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  3. Gypsum on heating to 390 K gives

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  4. Ripening of fruits can be carried out in presence of

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  5. The drying agent which absorbs carbon dioxide and reacts violently wit...

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  6. Calcium is obtained by the

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  7. The difference of number of water molecules in gypsum and plaster of P...

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  8. Which of the following compound is most soluble in water?

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  9. Ca^(2+) is isoelectronic with

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  10. Which of the following decomposes at highest tempreature?

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  11. Which of the following electronic configuration in the outermost two s...

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  12. When a substance A reacts with water it produces a conbustible gas B a...

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  13. The basic strength of which hydroxide is maximum

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  14. Of the following , and amphoteric hydroxide is

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  15. The following compounds have been arranged in order of their increasin...

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  16. Magnesium combines with nitrogen to form a nitride, which reacts with ...

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  17. Which has the highest electronegativity?

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  18. Which of the folowing undergoes disproportionation?

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  19. Which of the following is insoluble in acetic acid?

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  20. Which of the following fluoride is more soluble in water?

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