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Phosphine on decomposition produces phos...

Phosphine on decomposition produces phosphorus and hydrogen. When 100 ml of phosphine are decomposed the change in volume under laboratory conditions is 

A

50 ml increase

B

50 ml decrease

C

900 ml decrease

D

75 ml increase

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-STOICHIOMETRY-OBJECTIVE EXERCISE - 2
  1. Acetylene can be prepared from calcium carbonate by a series of reacti...

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  2. Liquid benzene burns in oxygen according to 2C(6)H(6)(1)+150(2)(8) to1...

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  3. Phosphine on decomposition produces phosphorus and hydrogen. When 100 ...

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  4. One mole of fluorine reacted with two moles of hot concentrated KOH. T...

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  5. The atomic masses of two elements A and B are 20 and 40 respectively. ...

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  6. In the formation of Al(2)O(3) from Al and O(2), if 1.5 mole of oxygen ...

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  7. The weight of MgCO(3) required for the preparation of 12g of MgSO(4) b...

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  8. 0.01 mole of iodoform (CHI(3)) reacts with Ag powder to produce a gas ...

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  9. Air contains 20% by volume of oxygen. The volume of air required for t...

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  10. When 20 ml of methane and 20 ml of oxygen are exploded together and th...

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  11. How many litres of CO(2) at STP wil be formed when 100 of 0.1 M H(2)SO...

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  12. When a sample of baking is strongly ignited in a crucible, it suffered...

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  13. 1g of Mg is burnt in a vessel containing 0.5 g of oxygen. The remainin...

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  14. 25.5 g of H(2)O(2) solution on decomposition gave 1.68 L of O(2) at ST...

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  15. A gas mixture contains acetylene and carbondioxide. 20 lit of this mix...

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  16. What is the volume (lit) of oxygen required at STP to completely conve...

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  17. In Haber's process 50.0 g of N(2)(g) and 10.0 g of H(2)(g) are mixed t...

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  18. The number of significant figures in 10500

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  19. 314.000 has how many significant figures?

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  20. The prefix femto stands for

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