Which among the following reaction is an example of a zero order reaction?

Question

Which among the following reaction is an example of a zero order reaction? (A) C12H22O11(aq) + H2O (l) -> C6H12O6(aq) + C6H12O6(aq)  (B) 2NH3(g) ->[Pt] N2(g) + 3 H2 (C) 2 H2O2(l) -> 2 H2O(l) + O2(g) (D) H2(g) + l2 (g) -> 2 HI(g)

Tardigrade Admin · Accepted Answer

Decomposition of gaseous ammonia on platinum surface at high temperature and pressure is an example of zero order reaction. It is of first order when concentration of

N H_{3}

is low.

2 NH X_{3} (g) Pt catalyst N X_{2} (g) + 3 H X_{2} (g)

Rate

= k [N H_{3}]^{\circ} = k

Q. Which among the following reaction is an example of a zero order reaction?

$C X_{12} H X_{22} O X_{11 (aq)} + H X_{2} O (l) C X_{6} H X_{12} O X_{6} (aq) + C X_{6} H X_{12} O X_{6} (aq)$

$2 NH X_{3} (g) Pt N X_{2} (g) + 3 H X_{2}$

$2 H X_{2} O X_{2} (l) 2 H X_{2} O (l) + O X_{2} (g)$

$H X_{2} (g) + l X_{2} (g) 2 HI (g)$

Decomposition of gaseous ammonia on platinum surface at high temperature and pressure is an example of zero order reaction. It is of first order when concentration of $N H_{3}$ is low.

$2 NH X_{3} (g) Pt catalyst N X_{2} (g) + 3 H X_{2} (g)$

Rate $= k [N H_{3}]^{\circ} = k$

Q. Which among the following reaction is an example of a zero order reaction?

CX12​HX22​OX11(aq)​​+HX2​O(l)​CX6​HX12​OX6​(aq)+CX6​HX12​OX6​(aq)

2NHX3​(g)Pt​NX2​(g)+3 HX2​

2 HX2​OX2​(l)​2 HX2​O(l)+OX2​(g)

HX2​(g)+lX2​(g)​2HI(g)

Decomposition of gaseous ammonia on platinum surface at high temperature and pressure is an example of zero order reaction. It is of first order when concentration of NH3​ is low. 2NHX3​(g)Pt catalyst​NX2​(g)+3HX2​(g) Rate =k[NH3​]∘=k

$C X_{12} H X_{22} O X_{11 (aq)} + H X_{2} O (l) C X_{6} H X_{12} O X_{6} (aq) + C X_{6} H X_{12} O X_{6} (aq)$

$2 NH X_{3} (g) Pt N X_{2} (g) + 3 H X_{2}$

$2 H X_{2} O X_{2} (l) 2 H X_{2} O (l) + O X_{2} (g)$

$H X_{2} (g) + l X_{2} (g) 2 HI (g)$

Decomposition of gaseous ammonia on platinum surface at high temperature and pressure is an example of zero order reaction. It is of first order when concentration of $N H_{3}$ is low.

$2 NH X_{3} (g) Pt catalyst N X_{2} (g) + 3 H X_{2} (g)$

Rate $= k [N H_{3}]^{\circ} = k$