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Balancing Chemical Equations by Hit and Trial Method

Balance the f...

Question

Balance the following chemical equation by replacing a, b, c, d and electric with appropriate natural numbers.

aS + bHNO₃ 🔜cH₂SO₄ + dNO₂ + eH₂O

Write the sum of a, b, c, d and e

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Solution

S + 6 HNO3 -----------> H2SO4 + 2 H2O + 6 NO2

sum=16

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Similar questions

The variable coefficients a, b, c and d are considered for balancing the chemical equation. Relationships between these variable are constructed by balancing the atoms of each element on either side of the reaction. Which of the following are correct?

(Note: coefficients should be natural numbers)

a M n O_{4}^{-} + b H_{2} O_{2} + c H^{+} \to d M n^{+ 2} + e O_{2} + f H_{2} O

is a balanced chemical equation. The value of

a, b, c, d, e

f

The variable coefficients a, b, c and d are considered for balancing the chemical equation.

The relation we get by balancing K in the following equation is:

Q. Which of the following causes the rusting of iron?
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(b) Reduction
(c) Chemical reaction with oxygen
(d) Chemical reaction with C0₂

Complete and balance the following chemical equations :

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(d) $N a O H (a q) + H C l (a q) \to$

(e) $C u O (s) + H C l (a q) \to$

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