NTSE Stage 2 SAT 2018 Exam Question Paper

Question : 19 of 100

Marks: +1, -0

In the balanced chemical equation :
(‘a’ lead nitrate + ‘b’ aluminium chloride → ‘c’ aluminium nitrate + ‘d’ lead chloride)
Which of the following alternative is correct?

a = 1, b = 2, c = 2, d = 1
a = 4, b = 3, c = 3, d = 4
a = 2, b = 3, c = 2, d = 3
a = 3, b = 2, c = 2, d = 3

Validate

Solution:

Balanced reaction is

3Pb(NO_3)_2+2AlCl_3→2Al(NO_3)_3+3PbCl_2

So,a = 3, b = 2, c = 2, d = 3

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