Consider the reactionsi CO g - H - 2 O g rightleftharpoons CO - 2 g - H - 2 g - K - 1 ii - CH - 4 g - H - 2 O g rightleftharpoons CO g -3 H - 2 g - K - 211iii CH - 4 g -2 H - 2 O g rightleftharpoons CO - 2 g -4 H - 2 g - K - 3which of the following is correct-A- K 3- K 12 - K 23B- K 3- K 1 K 2C- K 3- K 1- K 2D- K 3- K 1 - K 2

The correct option is B K_3 = K_1K_2CO(g) + H_2O (g) ⇌ CO_2(g) + H_2 (g) ; K_1——(i) CH_4 (g) + H_2O (g) ⇌ CO(g) + 3H_2 (g) ; K_2—–(ii) Adding (i) and (ii) we ...

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Byju's Answer

Standard XII

Chemistry

Introduction and Degree of Hydrolysis

Consider the ...

Question

Consider the reactions
$(i) C O (g) + H_{2} O (g) ⇌ C O_{2} (g) + H_{2} (g); K_{1} (i i) C H_{4} (g) + H_{2} O (g) ⇌ C O (g) + 3 H_{2} (g); K_{2} (i i i) C H_{4} (g) + 2 H_{2} O (g) ⇌ C O_{2} (g) + 4 H_{2} (g); K_{3}$
which of the following is correct?

K_{3} = K_{1} / K_{2}

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K_{3} = K_{1}^{2} / K_{2}^{3 -}

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K_{3} = K_{1} K_{2}

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K_{3} = K_{1} \sqrt{K_{2}}

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Solution

The correct option is C $K_{3} = K_{1} K_{2}$
$C O (g) + H_{2} O (g) ⇌ C O_{2} (g) + H_{2} (g); K_{1} - - - - - - (i) C H_{4} (g) + H_{2} O (g) ⇌ C O (g) + 3 H_{2} (g); K_{2} - - - - - (i i)$
Adding (i) and (ii) we get;
$C H_{4} (g) + 2 H_{2} O (g) ⇌ C O_{2} (g) + N H_{2} (g); K_{3} S o, K_{3} = K_{1} K_{2}$

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Similar questions

The equilibrium constants for the reactions are:

$H_{3} P O_{4}_{1} H^{+} + H_{2} P O_{4}^{-}; K_{1} H_{2} P O_{4}^{-}_{2} H^{+} + H P O_{4}^{2 -}; K_{2} H P O_{4}^{2 -}_{3} H^{+} + P O_{4}^{3 -}; K_{3}$

The equilibrium constant for, $H_{3} P O_{4} ⇌ 3 H^{+} + P O_{4}^{3 -}$ will be:

Question 14

Which of the following reactions is an example f use of water gaas in the synthesis of other compounds?

$(a) C H_{4} (g) + H_{2} O (g) 1270 K - --- \to N i C O (g) + H_{2} (g) (b) C O (g) + H_{2} O (g) 673 K - ---- \to C a t a l y s t C O_{2} (g) + H_{2} (g) (c) C_{n} H_{2 n + 2} + n H_{2} O (g) 1270 k - -- \to N i n C O + (2 n + 1) H_{2} (d) C O (g) + 2 H_{2} (g) C o b a l t - ---- \to C a t a l y s t C H_{3} O H (l)$

Question 11

Which of the following reactions increase production of dihydrogen from synthesis gas?

$(a) C H_{4} (g) + H_{2} O (g) 1270 K - --- \to N i C O (g) + 3 H_{2} (g) (b) C (s) + H_{2} O (g) 1270 K - --- \to C O (g) + H_{2} (g) (c) C O (g) + H_{2} O (g) 673 K - ---- \to C a t a l y s t C O_{2} (g) + H_{2} (g) (d) C_{2} H_{6} + 2 H_{2} O (g) 1270 K - --- \to N i 2 C O (g) + 5 H_{2} (g)$

Q. Consider the following gaseous equilibria with equilibrium constants

K_{1}

and

K_{2}

respectively.

S O_{2} (g) + \frac{1}{2} O_{2} (g) ⇌ S O_{3} (g) 2 S O_{3} (g) ⇌ 2 S O_{2} (g) + O_{2} (g)

The equilibrium constants are related as :

Q. Predict the effect upon the following reaction equilibria of increased pressure.

(1) H_{2} O (g) ⇌ H_{2} (g) + \frac{1}{2} O_{2} (g) (2) C a C O_{3} (s) ⇌ C a O (s) + C O_{2} (g) (3) C (s) + H_{2} O (g) ⇌ H_{2} (g) + C O (g)

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Consider the reactions (i) CO(g)+H2O(g)⇌CO2(g)+H2(g);K1(ii) CH4(g)+H2O(g)⇌CO(g)+3H2(g);K2(iii) CH4(g)+2H2O(g)⇌CO2(g)+4H2(g);K3 which of the following is correct?

The correct option is C K3=K1K2CO(g)+H2O(g)⇌CO2(g)+H2(g);K1−−−−−−(i)CH4(g)+H2O(g)⇌CO(g)+3H2(g);K2−−−−−(ii) Adding (i) and (ii) we get; CH4(g)+2H2O(g)⇌CO2(g)+NH2(g);K3So,K3=K1K2

Consider the reactions
$(i) C O (g) + H_{2} O (g) ⇌ C O_{2} (g) + H_{2} (g); K_{1} (i i) C H_{4} (g) + H_{2} O (g) ⇌ C O (g) + 3 H_{2} (g); K_{2} (i i i) C H_{4} (g) + 2 H_{2} O (g) ⇌ C O_{2} (g) + 4 H_{2} (g); K_{3}$
which of the following is correct?