Which of the following graphs represents exothermic reaction-IIa Only Ib Only IIc Only IIId I and II

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Chemistry

Activation Energy

Which of the ...

Question

Which of the following graphs represents exothermic reaction ?

(a) Only I
(b) Only II
(c) Only III
(d) I and II

Open in App

Solution

Answer: (a) (i) only.

The chemical reaction in which energy is evolved during the reaction is known as exothermic reaction i.e., the activation energy of the product is greater than the activation energy of reactants. Here, only (I) denotes correct picture of exothermic reaction.

Suggest Corrections

Similar questions

Question 10

Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?

(i) Displacement reaction
(ii) Precipitation reaction
(iii) Combination reaction
(iv) Double displacement reaction

(a) (i) only
(b) (ii) only
(c) (iv) only
(d) (ii) and (iv)

Q. Which of the following reaction(s) is/are exothermic for the formation of

N a F (s)

?
I.

N a_{(g)} \to N a_{(g)}^{+} + e^{-}

II.

F_{(g)} + e^{-} \to F_{(g)}^{-}

III.

N a_{(g)}^{+} + F_{(g)}^{-} \to N a F_{(s)}

Q. In the given figure, which of the following statements must be true?
(i) a + b = d + c

(ii) a + c + e = 180°

(iii) b + f = c + e

(a) (i) only

(b) (ii) only

(c) (iii) only

(d) (ii) and (iii) only

Question 10

Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?

(i) Displacement reaction
(ii) Precipitation reaction
(iii) Combination reaction
(iv) Double displacement reaction

(a) (i) only
(b) (ii) only
(c) (iv) only
(d) (ii) and (iv)

Which of the following series forms an AP?

(i) a – 2d, a – d, a, a + d, a + 2d

(ii)a, a + d, a + 2d, a + 3d, a + 4d

(iii) a – 3d, a – d, , a + d, a + 3d

Join BYJU'S Learning Program

Which of the following graphs represents exothermic reaction ? (a) Only I (b) Only II (c) Only III (d) I and II

Answer: (a) (i) only. The chemical reaction in which energy is evolved during the reaction is known as exothermic reaction i.e., the activation energy of the product is greater than the activation energy of reactants. Here, only (I) denotes correct picture of exothermic reaction.

Which of the following graphs represents exothermic reaction ?

(a) Only I
(b) Only II
(c) Only III
(d) I and II

Answer: (a) (i) only.

The chemical reaction in which energy is evolved during the reaction is known as exothermic reaction i.e., the activation energy of the product is greater than the activation energy of reactants. Here, only (I) denotes correct picture of exothermic reaction.