Home
Class 12
CHEMISTRY
In the reaction 2SO(2) +O(2) overset(Pt)...

In the reaction `2SO_(2) +O_(2) overset(Pt)underset(As_2O_3) rarr 2SO_(3),As_(2)O_3` acts as a.

A

Autocatalyst

B

Poison

C

Promotor

D

Positive catalyst

Text Solution

Verified by Experts

The correct Answer is:
B
`2SO_(2) + O_(2) overset("Pt(Catalyst)")underset(As_(2)O_(3)"(poison)") rarr 2SO_3`
Promotional Banner

Similar Questions

Explore conceptually related problems

In the reaction 2SO_(2)+O_(2)underset(As_(2)O_(3))overset(Pt)rarr2SO_(3)As_(2)SO_(3) acts as a

The mechanism of the reaction, 2NO+O_(2)rarr2NO_(2) is NO+NO underset(k_(-1))overset(k_(1))rarr N_(2)O_(2) (fast) N_(2)O_(2)+O_(2)overset(k_(2))rarr2NO_(2) (slow) The rate constant of the reaction is

Idebtify the product. HCHO overset (CH_3MgX) underset (H_2O) rarr -----

In the given sequence of reactions,predict (X). (X) overset(KOH)underset(H_(2)O) to (Y) overset(Al_(2)O_(3))underset(433 K) to (Z) overset([O]) to 2 mol CH_(3)COOH

Identify A, B and C. CH_3-CH=CH_2+O_3 Aoverset(Zn)underset(H_2O) rarr B+C

Consider the reaction : CH_(3)CH_(2)Cl overset(KCN)rarrX overset(Ni//H_(2))rarr Y overset((CH_(3)CO)_(2)O)rarr Z . Z is

Consider a system containing NO_(2) and SO_2 in which NO_2 is consumed in the following two parallel reactions 2NO_(2) overset(K_(1)) to N_(2)O_(4), NO_(2) + SO_(2) overset(K_(2)) to NO + SO_(3) The rate of disappearance of NO_2 will be equal to