In Haber process 30 litres of dihydrogen and 30 litres of dinitro… - Vidyadip

MCQ

In Haber process $30$ litres of dihydrogen and $30$ litres of dinitrogen were taken for reaction which yielded only $50\%$ of the expected product. What will be the composition of gaseous mixture under the aforesaid condition in the end

A
$20$ litres ammonia, $25$ litres nitrogen, $15$ litres hydrogen
B
$20$ litres ammonia, $20$ litres nitrogen, $20$ litres hydrogen
✓
$10$ litres ammonia, $25$ litres nitrogen, $15$ litres hydrogen
D
$20$ litres ammonia, $10$ litres nitrogen, $30$ litres hydrogen

✓

Answer

Correct option: C.

$10$ litres ammonia, $25$ litres nitrogen, $15$ litres hydrogen

(c) ${N_2} + 3{H_2}$ $ \rightleftharpoons $ $2N{H_3}$

$30$ $30$ $0$

$30-x$ $30-3x$ $2x$

$2x = 10$ ; $x =$ $\frac{{10}}{2} = 5$

${N_2} = 30 - 5 = 25$ litre

${H_2} = 30 - 3 \times 5 = 15$ litre

$N{H_3} = 2 \times 5 = 10$ litre

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