Balance the following equation: KOH + Cl 2 → KCl + KClO + H 2 O

The given equation is a skeleton equation that represents a chemical change but is unbalanced. A chemical equation must be balanced according to the Law of Conservation of Mass. Thus, we can balance the equation by applying the hit and trial method. This method consists of counting the number of atoms of each element on both sides and trying to equalize them. Atoms Reactant side Product side K 1 × 2 1 + 1 O 1 × 2 1 + 1 H 1 × 2 2 × 1 Cl 2 × 1 1 + 1 So, the balanced equation will be: 2 KOH + Cl 2 → KCl + KClO + H 2 O

Balance the following equation: NO 2 + H 2 O → HNO 2 + HNO 3

The given equation is a skeleton equation that represents a chemical change but is unbalanced. A chemical equation must be balanced according to the Law of Conservation of Mass. Thus, we can balance the equation by applying the hit and trial method. This method consists of counting the number of atoms of each element on both sides and trying to equalize them. Atoms Reactant side Product side N 1 × 2 1 + 1 O 2 × 2 + 1 2 + 3 H 2 1 + 1 So, the balanced equation will be: 2 NO 2 + H 2 O → HNO 2 + HNO 3

Balance the following equation: Pb 3 O 4 + HCl → PbCl 2 + H 2 O + Cl 2

The given equation is a skeleton equation that represents a chemical change but is unbalanced. A chemical equation must be balanced according to the Law of Conservation of Mass. Thus, we can balance the equation by applying the hit and trial method. This method consists of counting the number of atoms of each element on both sides and trying to equalize them. Atoms Reactant side Product side Pb 3 1 × 3 O 4 1 × 4 H 1 × 8 2 × 4 Cl 1 × 8 2 × 3 + 2 So, the balanced equation will be: Pb 3 O 4 + 8 HCl → 3 PbCl 2 + 4 H 2 O + Cl 2

Balance the following equation: H 2 O + Cl 2 → HCl + O 2

The given equation is a skeleton equation that represents a chemical change but is unbalanced. A chemical equation must be balanced according to the Law of Conservation of Mass. Thus, we can balance the equation by applying the hit and trial method. This method consists of counting the number of atoms of each element on both sides and trying to equalize them. Atoms Reactant side Product side H 2 × 2 1 × 4 O 1 × 2 2 Cl 2 × 2 1 × 4 So, the balanced equation will be: 2 H 2 O + 2 Cl 2 → 4 HCl + O 2

Balance the following equation: NaHCO 3 → Na 2 CO 3 + H 2 O + CO 2

The given equation is a skeleton equation that represents a chemical change but is unbalanced. A chemical equation must be balanced according to the Law of Conservation of Mass. Thus, we can balance the equation by applying the hit and trial method. This method consists of counting the number of atoms of each element on both sides and trying to equalize them. Atoms Reactant side Product side Na 1 × 2 2 H 1 × 2 2 C 1 × 2 1 + 1 O 3 × 2 3 + 1 + 2 So, the balanced equation will be: 2 NaHCO 3 → Na 2 CO 3 + H 2 O + CO 2

Balance the following equation: HNO 3 + H 2 S → NO 2 + H 2 O + S

The given equation is a skeleton equation that represents a chemical change but is unbalanced. A chemical equation must be balanced according to the Law of Conservation of Mass. Thus, we can balance the equation by applying the hit and trial method. This method consists of counting the number of atoms of each element on both sides and trying to equalize them. Atoms Reactant side Product side H 1 × 2 + 2 2 × 2 N 1 × 2 1 × 2 O 3 × 2 2 × 2 + 1 × 2 S 1 1 So, the balanced equation will be: 2 HNO 3 + H 2 S → 2 NO 2 + 2 H 2 O + S

Balance the following equation: P + HNO 3 → NO 2 + H 2 O + H 3 PO 4

The given equation is a skeleton equation that represents a chemical change but is unbalanced. A chemical equation must be balanced according to the Law of Conservation of Mass. Thus, we can balance the equation by applying the hit and trial method. This method consists of counting the number of atoms of each element on both sides and trying to equalize them. Atoms Reactant side Product side P 1 1 H 1 × 5 2 + 3 N 1 × 5 1 × 5 O 3 × 5 2 × 5 + 1 + 4 So, the balanced equation will be: P + 5 HNO 3 → 5 NO 2 + H 2 O + H 3 PO 4

Balance the following equation: Zn + HNO 3 → Zn NO 3 2 + H 2 O + NO 2

The given equation is a skeleton equation that represents a chemical change but is unbalanced. A chemical equation must be balanced according to the Law of Conservation of Mass. Thus, we can balance the equation by applying the hit and trial method. This method consists of counting the number of atoms of each element on both sides and trying to equalize them. Atoms Reactant side Product side Zn 1 1 H 1 × 4 2 × 2 N 1 × 4 2 + 1 × 2 O 3 × 4 3 × 2 + 1 × 2 + 2 × 2 So, the balanced equation will be: Zn + 4 HNO 3 → Zn NO 3 2 + 2 H 2 O + 2 NO 2

E M B I B E

Concise Chemistry Class 9>Chapter 1 - The Language of Chemistry>EXERCISE 1(B)

S P Singh Solutions for Chapter: The Language of Chemistry, Exercise 2: EXERCISE 1(B)

Author:S P Singh

S P Singh Chemistry Solutions for Exercise - S P Singh Solutions for Chapter: The Language of Chemistry, Exercise 2: EXERCISE 1(B)

Attempt the practice questions on Chapter 1: The Language of Chemistry, Exercise 2: EXERCISE 1(B) with hints and solutions to strengthen your understanding. Concise Chemistry Class 9 solutions are prepared by Experienced Embibe Experts.