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If 30mL of H(2) and 20mL of O(2), reacts...

If 30mL of `H_(2) and 20mL of `O_(2)`, reacts to form `H_(2)O`, what is left at the end of the reaction?

A

10mL of `H_(2)`

B

5mL of `H_(2)`

C

10mL of `O_(2)`

D

5mL of `O_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`H_(2) (g) +(1)/(2) O_(2)(g) to H_(2)O(g)`
`{:(,"Initially", 30, 20,0),(,"After the reaction",0,(20-15),30):}`
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Assertion (A) : If 30 mL of H_(2) and 20 mL of O_(2) react to form water, 5 mL of H_(2) is left at the end of the reaction. Reason (R ): H_(2) is the limiting reagent.

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