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Q.

Aluminium reacts with hydrogen chloride to produce H2 according to the equation 2Al + 6HCl → 2AlCl3 + 3H2 Then 2grams of H2 would be produced from

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a

2 moles of Al

b

1 mole of Al

c

2/3 mole of Al

d

3/2 mole of Al

answer is C.

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Detailed Solution

2Al  +6 HCl → 2 AlCl3  + 3 H2

2 moles                             3 (2g)

  ‘X’ moles                             2g
X =2 x 23 x 2=23moles

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