${V_2}{O_5}$ is useful as catalyst in
${V_2}{O_5}$ is useful as catalyst in
- A
Manufacture of ${H_2}S{O_4}$
- B
Manufacture of $HN{O_3}$
- C
Manufacture of $N{a_2}C{O_3}$
- D
It is not a catalyst
Similar Questions
The element the usually does $NOT$ show variable oxidation states is
The element the usually does $NOT$ show variable oxidation states is
- [JEE MAIN 2019]
Many transition metals form interstitial compounds. The characteristics of these interstitial compounds are
$(I)$ They have high melting points, higher than those of pure metals
$(II)$ They are very hard
$(III)$ They retain metallic conductivity
$(IV)$ They are chemically more reactive than the pure metals
Many transition metals form interstitial compounds. The characteristics of these interstitial compounds are
$(I)$ They have high melting points, higher than those of pure metals
$(II)$ They are very hard
$(III)$ They retain metallic conductivity
$(IV)$ They are chemically more reactive than the pure metals
In the series $Sc(Z = 21)$ to $Zn(Z = 30)$ , the enthalpy of atomization of _____ is the lowest
In the series $Sc(Z = 21)$ to $Zn(Z = 30)$ , the enthalpy of atomization of _____ is the lowest
Number of unpaired electrons in $M{n^{2 + }}$ is
Number of unpaired electrons in $M{n^{2 + }}$ is
Why does copper not replace hydrogen from acids ?
Why does copper not replace hydrogen from acids ?