Catalyst and Catalysis
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NEET DIGITAL LIBRARY
CHXII05:SURFACE CHEMISTRY

320702 The catalytic activity of transition metals and their compounds is described mainly to

1 Their ability to adopt variable oxidation states
2 Their chemical reactivity
3 Their magnetic behaviour
4 Their unfilled \(d\)-orbitals
CHXII05:SURFACE CHEMISTRY

320703 In the reaction \(2 \mathrm{SO}_{2}+\mathrm{O}_{2} \underset{\mathrm{As}_{2} \mathrm{O}_{3}}{\stackrel{\mathrm{Pt}}{\longrightarrow}} 2 \mathrm{SO}_{3}, \mathrm{As}_{2} \mathrm{O}_{3}\) acts as a

1 Autocatalyst
2 Poison
3 Promoter
4 Positive catalyst
CHXII05:SURFACE CHEMISTRY

320704 The efficiency of the catalyst depends upon

1 Molecular weight
2 Physical state
3 Number of free valencies
4 Amount of catalyst used
CHXII05:SURFACE CHEMISTRY

320705 Which acts as promoter for nickel in the hydrogenation of oils?

1 \(\mathrm{Cu}\)
2 \(\mathrm{MO}\)
3 \(\mathrm{Fe}\)
4 \(\mathrm{Pt}\)
Join With Us for More Updates
CHXII05:SURFACE CHEMISTRY

320702 The catalytic activity of transition metals and their compounds is described mainly to

1 Their ability to adopt variable oxidation states
2 Their chemical reactivity
3 Their magnetic behaviour
4 Their unfilled \(d\)-orbitals
CHXII05:SURFACE CHEMISTRY

320703 In the reaction \(2 \mathrm{SO}_{2}+\mathrm{O}_{2} \underset{\mathrm{As}_{2} \mathrm{O}_{3}}{\stackrel{\mathrm{Pt}}{\longrightarrow}} 2 \mathrm{SO}_{3}, \mathrm{As}_{2} \mathrm{O}_{3}\) acts as a

1 Autocatalyst
2 Poison
3 Promoter
4 Positive catalyst
CHXII05:SURFACE CHEMISTRY

320704 The efficiency of the catalyst depends upon

1 Molecular weight
2 Physical state
3 Number of free valencies
4 Amount of catalyst used
CHXII05:SURFACE CHEMISTRY

320705 Which acts as promoter for nickel in the hydrogenation of oils?

1 \(\mathrm{Cu}\)
2 \(\mathrm{MO}\)
3 \(\mathrm{Fe}\)
4 \(\mathrm{Pt}\)
For More Updates join with Us
CHXII05:SURFACE CHEMISTRY

320702 The catalytic activity of transition metals and their compounds is described mainly to

1 Their ability to adopt variable oxidation states
2 Their chemical reactivity
3 Their magnetic behaviour
4 Their unfilled \(d\)-orbitals
CHXII05:SURFACE CHEMISTRY

320703 In the reaction \(2 \mathrm{SO}_{2}+\mathrm{O}_{2} \underset{\mathrm{As}_{2} \mathrm{O}_{3}}{\stackrel{\mathrm{Pt}}{\longrightarrow}} 2 \mathrm{SO}_{3}, \mathrm{As}_{2} \mathrm{O}_{3}\) acts as a

1 Autocatalyst
2 Poison
3 Promoter
4 Positive catalyst
CHXII05:SURFACE CHEMISTRY

320704 The efficiency of the catalyst depends upon

1 Molecular weight
2 Physical state
3 Number of free valencies
4 Amount of catalyst used
CHXII05:SURFACE CHEMISTRY

320705 Which acts as promoter for nickel in the hydrogenation of oils?

1 \(\mathrm{Cu}\)
2 \(\mathrm{MO}\)
3 \(\mathrm{Fe}\)
4 \(\mathrm{Pt}\)
NEET DIGITAL LIBRARY
CHXII05:SURFACE CHEMISTRY

320702 The catalytic activity of transition metals and their compounds is described mainly to

1 Their ability to adopt variable oxidation states
2 Their chemical reactivity
3 Their magnetic behaviour
4 Their unfilled \(d\)-orbitals
CHXII05:SURFACE CHEMISTRY

320703 In the reaction \(2 \mathrm{SO}_{2}+\mathrm{O}_{2} \underset{\mathrm{As}_{2} \mathrm{O}_{3}}{\stackrel{\mathrm{Pt}}{\longrightarrow}} 2 \mathrm{SO}_{3}, \mathrm{As}_{2} \mathrm{O}_{3}\) acts as a

1 Autocatalyst
2 Poison
3 Promoter
4 Positive catalyst
CHXII05:SURFACE CHEMISTRY

320704 The efficiency of the catalyst depends upon

1 Molecular weight
2 Physical state
3 Number of free valencies
4 Amount of catalyst used
CHXII05:SURFACE CHEMISTRY

320705 Which acts as promoter for nickel in the hydrogenation of oils?

1 \(\mathrm{Cu}\)
2 \(\mathrm{MO}\)
3 \(\mathrm{Fe}\)
4 \(\mathrm{Pt}\)
Join With Us for More Updates