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  • Need clarity, kindly explain! - The correct statements among (a) to (d) regardingas fuel are : (a) It produce less pollutants than - Hydrogen - JEE Main

The correct statements among (a) to (d) regarding H_{2} as fuel are :

(a) It produce less pollutants than petrol.

(b) A cylinder of compressed dihydrogen weighs \sim 30 times more than petrol tank producing the same amount of energy 

(c) Dihydrogen is stored in tank of metal alloy like NaNi_{5}.

(d) On combustion , values of energy released per gram of liquid dihydrogen and LPG are 50 and 142 kj , respectively .

  • Option 1)

    (a) , (b) and (c) only

  • Option 2)

    (b) ,(c) and (d) only 

  • Option 3)

    (a) and (c) only 

  • Option 4)

    (b) and (d) only 

Answers (1)

best_answer

 

Uses of Hydrogen -

1)     For the synthesis of ammonia (NH3).

2)    For the production of methanol.

3)    In Oxyhydrogen tourches.

4)    In a fuel cell.

- wherein

Haber's Process.

as we know that D statement is wrong

LPG produce less energy then liduid dihydrogen

E^{0}_{LPG}< E^{0 }H_{2}_{\left ( l \right )}

 


Option 1)

(a) , (b) and (c) only

Option 2)

(b) ,(c) and (d) only 

Option 3)

(a) and (c) only 

Option 4)

(b) and (d) only 

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