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The molecular formula of sulphur is...

The molecular formula of sulphur is

A

`S_(4)`

B

`S_(6)`

C

`S_(8)`

D

`S_(12)`

Text Solution

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The correct Answer is:
C
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The boiling point of a solution of 5g of sulphur in 100g of carbon disulphide is 0.474^(@)C above that of pure solvent. Determine the molecular formula of sulphur in this solvent. The boiling point of pure carbon disulphide is 47^(@)C and its heat of vaporisation is 84 calories per gram.

3.795 g of sulphur is dissolved in 100g of CS_(2) . This solution boils at 319.81 K. What is the molecular formula of sulphur in solution? The boiling point of CS_(2) is 319.45 kJ (Given that K_(b) for CS_(2) = 2.42 K kg mol^(-1) and atomic mass of S = 32)

In 100g of naphthalene, 2.423g of S was dissolved. Melting point of naphthalene = 80.1^(@)C DeltaT_(f) = 0.661^(@)C. L_(f) = 35.7 cal//g of naphthalene, molecular formula of sulphur is

3.24 g of sulphur dissolved in 40g benzene, boiling point of the solution was higher than that of benzene by 0.081 K . K_(b) for benzene is 2.53 K kg mol^(-1) . If molecular formula of sulphur is S_(n) . Then find the value of n . (at.wt.of S =32 ).

The molal freezing point depression constant for benzene is 4.9 K kg mol^(-1) . Selenium exists as a polymer of the type Se_(n) . When 3.26 g selenium is dissolved in 226 g of benzene, the observed freezing. If molecular formula of sulphur is S_(n) . Then find the value of n . (at. wt. of S = 32 ).

Write the molecular formula of sulphur molecule.

280 mL of sulphur vapour (S_(x) at 1 atm , 273 K weighs 1.6 gm . Determine the molecular formula of sulphur vapour?

NIKITA PUBLICATION-P-BLOCK ELEMENT -Competitive Exam
  1. The molecular formula of sulphur is

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  2. In which of the following arrangements, the sequence is not strictly a...

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  3. Each of the following is true for white and red phosphorus except that...

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  4. Which of the following is not known

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  5. Which one of the following elements is most metallic?

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  6. Which of the following oxides of nitrogen is the anhydride of HNO(3)?

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  7. Dissociatuion of H(3)PO(4) occurs in following stages

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  8. Nitrogen forms how many oxides

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  9. The element which catches fire in air at 30^@C and is stored under wat...

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  10. A solution of ammonia in water contains

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  11. Which of the following is oxidised in air?

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  12. Which of the following exist in polymeric form ?

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  13. Which nitrogen trihalides is least basic

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  14. Which of the following oxide of nitrogen is a coloured gas?

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  15. Which oxide does not act as a reducing agent?

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  16. The basic character of hydrides of the 15th-group elements decreases i...

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  17. The strongest base is

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  18. Which has the lowest boiling point?

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  19. Of the following, the most acidic is

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  20. The correct order of the acidic nature of oxides is in the order

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  21. Nitrogen is relatively inactive element because is atom has a stable e...

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