What is Oleum is

What is Oleum is
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Oleum is A. `H_(2)S_(2)O_(8)` B. `H_(2)S_(2)O_(5)` C. `H_(2)S_(2)O_(4)` D. `H_(2)S_(2)O_(7)`
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Has anyone tried Rust-oleum Deck Restore or Olympic Rescue It?

Description : Has anyone tried Rust-oleum Deck Restore or Olympic Rescue It?

Last Answer : answer:I just this week used the Rustoleum Deck Restore 10X on my 20+ year-old wooden deck that was falling apart. Chunks of wood missing, splinters, etc. It was about two-years overdue for a scrape and paint ... on it. Definitely need a cool, dry stretch of weather for it. PS: I am in the NE.

Which one of gas dissolves in `H_(2)SO_(4)` to give oleum?

Description : Which one of gas dissolves in `H_(2)SO_(4)` to give oleum?

Last Answer : Which one of gas dissolves in `H_(2)SO_(4)` to give oleum? A. `SO_(2)` B. `H_(2)S` C. `S_(2)O` D. `SO_(3)`

Steel tower used for the storage of oleum (A) Is lined with lead (B) Need not be lined

Description : Steel tower used for the storage of oleum (A) Is lined with lead (B) Need not be lined

Last Answer : (B) Need not be lined

Pick out the wrong statement. (A) DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction (B) Chloral is obtained by the chlorination of ethyl alcohol (C) Insecticides acting on the insects through the respiratory system are called fumigants (D) Benzene hexachloride is not a contact insecticide

Description : Pick out the wrong statement. (A) DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction (B) Chloral ... through the respiratory system are called fumigants (D) Benzene hexachloride is not a contact insecticide

Last Answer : (D) Benzene hexachloride is not a contact insecticide

Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the (A) Fertiliser manufacture (B) Car battery solution (C) Synthesis of oleum (D) Water treatment

Description : Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the (A) Fertiliser manufacture (B) Car battery solution (C) Synthesis of oleum (D) Water treatment

Last Answer : (B) Car battery solution

Which is the most efficient absorbent for SO3 out of the following? (A) 20% oleum (B) 65% oleum (C) 78% H2SO4 (D) 98% H2SO4

Description : Which is the most efficient absorbent for SO3 out of the following? (A) 20% oleum (B) 65% oleum (C) 78% H2SO4 (D) 98% H2SO4

Last Answer : (D) 98% H2SO4

10% oleum comprises of 10% free (A) SO2 (B) H2SO3 (C) SO3 (D) H2SO4

Description : 10% oleum comprises of 10% free (A) SO2 (B) H2SO3 (C) SO3 (D) H2SO4

Last Answer : (C) SO3

The catalyst used in the manufacture of DDT is (A) Alumina (B) Silica (C) 20% oleum (D) Aluminium chloride

Description : The catalyst used in the manufacture of DDT is (A) Alumina (B) Silica (C) 20% oleum (D) Aluminium chloride

Last Answer : (C) 20% oleum

Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating sulphuric acid with sulphur trioxide (C) Vitriol oil is nothing but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling

Description : Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating ... but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling

Last Answer : (D) Decomposition of sulphuric acid on heating does not start before its boiling

More than 100 percent of __________ is present in oleum. (A) SO3 (B) H2SO4 (C) H2SO3 (D) SO2

Description : More than 100 percent of __________ is present in oleum. (A) SO3 (B) H2SO4 (C) H2SO3 (D) SO2

Last Answer : (B) H2SO4

Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of (A) Nitric acid (B) Hydrochloric acid (C) Methyl alcohol (D) Formic acid

Description : Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of (A) Nitric acid (B) Hydrochloric acid (C) Methyl alcohol (D) Formic acid

Last Answer : (A) Nitric acid

The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is (A) Dilute H2SO4 (B) Oleum (C) Ultraviolet light (D) None of these

Description : The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is (A) Dilute H2SO4 (B) Oleum (C) Ultraviolet light (D) None of these

Last Answer : (B) Oleum

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. (A) 15-30 (B) 90-100 (C) 250-300 (D) < 0

Description : Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. (A) 15-30 (B) 90-100 (C) 250-300 (D) < 0

Last Answer : (A) 15-30

Pick out the wrong statement. (A) Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80% (B) Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98% (C) 75% oleum can be produced by distillation of 20% oleum (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst

Description : Pick out the wrong statement. (A) Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80% (B) Contact process of sulphuric acid manufacture produces pure acid of ... of 20% oleum (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst

Last Answer : (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst

Sulphuric acid saturated with SO3 is called (A) Concentrated H2SO4 (B) Sulphurous acid (C) Oleum(D) None of these

Description : Sulphuric acid saturated with SO3 is called (A) Concentrated H2SO4 (B) Sulphurous acid (C) Oleum (D) None of these

Last Answer : (C) Oleum

Oleum produces fumes of (A) SO2 (B) H2SO4 (C) SO3 (D) SO2 + H2SO4

Description : Oleum produces fumes of (A) SO2 (B) H2SO4 (C) SO3 (D) SO2 + H2SO4

Last Answer : (C) SO3

Sulphuric acid completely saturated with sulphur trioxide is called (A) Concentrated sulphuric acid (B) Oleum (C) Sulphurous acid (D) Dilute sulphuric acid

Description : Sulphuric acid completely saturated with sulphur trioxide is called (A) Concentrated sulphuric acid (B) Oleum (C) Sulphurous acid (D) Dilute sulphuric acid

Last Answer : (A) Concentrated sulphuric acid

Chemical formula of oleum is (A) H2SO3 (B) H2SO4 (C) H2S2O7 (D) H2SO7

Description : Chemical formula of oleum is (A) H2SO3 (B) H2SO4 (C) H2S2O7 (D) H2SO7

Last Answer : (C) H2S2O7

20% oleum means that in 100 kg oleum, there are 20 kg of (A) SO3 and 80kg of H2SO4 (B) H2SO4 and 80kg of SO3 (C) SO3 for each 100 kg of H2SO4 (D) None of these

Description : 20% oleum means that in 100 kg oleum, there are 20 kg of (A) SO3 and 80kg of H2SO4 (B) H2SO4 and 80kg of SO3 (C) SO3 for each 100 kg of H2SO4 (D) None of these

Last Answer : (A) SO3 and 80kg of H2SO4

What happens, when SO2is passed through a solution of H2S in water? (A) Precipitation of sulphur takes place (B) H2SO3is formed (C) Oleum is formed (D) None of these

Description : What happens, when SO2is passed through a solution of H2S in water? (A) Precipitation of sulphur takes place (B) H2SO3is formed (C) Oleum is formed (D) None of these

Last Answer : (A) Precipitation of sulphur takes place