Question

(a) Find "X" and "Y".

(b) Find "W" and "Z".

(c) The type of chemical reaction corresponding to the reaction (I) is?

(i) Redox reaction

(ii) Decomposition reaction

(iii) Double displacement reaction

(iv) Displacement reaction

(d) The type of chemical reaction corresponding to the reaction (II) is?

(i) Redox reaction

(ii) Decomposition reaction

(iii) Double displacement reaction

(iv) Displacement reaction​

Answer 1

Answer:

RS ANSWERS

Multiple Choice Questions

1. (d) 2. (c)

3. (c) Hint— The substance which oxidises the other substances in

a chemical reaction is known as an oxidising agent. Likewise, the

substance which reduces the other substance in a chemical

reaction is known as reducing agent.

4. (a) 5. (c) 6. (a) 7. (b)

8. (a) 9. (b) 10. (d) 11. (b)

12. (d)

13. (b) Hint— Lead sulphate being insoluble will not dissociate into

Pb2+ ions.

14. (d) 15. (a) 16. (d) 17. (d)

18. (d)

Short Answer Questions

19. (a) N2

(g) + 3H2

(g) Catalyst

773 K → 2NH3

(g)

Combination reaction

(b) NaOH(aq) + CH3COOH(aq) → CH3COONa(aq) + H2O(l)

Double displacement reaction/Neutralisation reaction

(c) C2H5OH(l) + CH3COOH(l) H+

→ CH3COOC2H5

(l) + H2O(l)

Double displacement reaction/Esterificaton reaction

(d) C2H4

(g) + 3O2

(g) → 2CO2

(g) + 2H2O(g) + Heat + Light

Redox reaction/Combustion reaction

CHAPTER1