Question

(Answer all questions)
1. Which of the following are exothermic processes?
Reaction of water with quick lime (1) Dilution of an acid
(in) Evaporation of water
(iv) Sublimation of camphor (crystals)
(a) (ii) and (iii)
(6) (i) and (ii) (ü) (i) and (iv). (iv) (iii) and (iv)
2. Which of the following are present in a dilute aqueous solution of hydrochloric acid ?
(a) H20*+cr
6) CE+OH (c) H20* + OH (d) Unionized HCl
3. Which of the following does not belong to the same homologous series?
(a) CH4 – (b) C₃H₂. (C) c2h6
(d) C4H8

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Answer 1

Answer:

1.(i) and (ii)

2.(d)

3.(b) and (d)

Explanation:

Answer 2

Explanation:

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