KMnO4 can be used as a/an - (1) insecticide (2) fertiliser (3) pesticide (4) disinfectant

1 Answer

Answer :

(4) disinfectant Explanation: Potassium permanganate is an inorganic chemical compound with the formula KMnO4. As an oxidant, potassium permanganate can act as an antiseptic. For example, dilute solutions are used to treat canker sores (ulcers), disinfectant for the hands and treatment for mild pompholyx, dermatitis, and fungal infections of the hands or feet. It is used extensively in the water treatment industry.

Related questions

Description : KMnO4 can be used as a/an (1) insecticide(2) fertiliser (3) pesticide (4) disinfectant

Last Answer : disinfectant

Description : KMnO4 can be used as – (1) Insecticide (2) Fertilizer (3) Pesticide (4) Disinfectant

Last Answer : (4) Disinfectant Explanation: Potassium permanganate is an inorganic chemical compound with the formula KMnO4. As an oxidant, potassium permanganate can act as an antiseptic. For example, dilute ... of the hands or feet. Potassium permanganate is used extensively in the water treatment industry.

Description : Malathion is a/an - (1) insecticide (2) fumigant (3) preservative (4) pesticide

Last Answer : (1) insecticide Explanation: Malathion is an organophosphate (OP) insecticide that has been registered for use in the United States since 1956. It is widely used in agriculture, residential ... health pest control programs such as mosquito eradication. It is of relatively low human toxicity.

Description : Malathion is a/an (1) insecticide (2) fumigant (3) preservative (4) pesticide

Last Answer : insecticide

Description : Penicillin is widely used as – (1) an antiseptic (2) a disinfectant (3) an antibiotic (4) an insecticide

Last Answer : (3) an antibiotic Explanation: Penicillin V is an antibiotic in the penicillin group of drugs. It fights bacteria in your body.

Description : Bordeaux mixture is a/an (A) Fertiliser (B) Inorganic fungicide (C) Insecticide (D) Explosive

Last Answer : (B) Inorganic fungicide

Description : The chemical which kill weeds but does not harm the crop is _________. a) weedicide b)pesticide c)fertiliser d)manure

Last Answer : a) weedicide

Description : One of the anthropogenic sources of gaseous pollutants chlorofluorocarbons (CFCs) in air is (A) Cement Industry (B) Fertiliser industry (C) Foam industry (D) Pesticide industry

Last Answer : (C) Foam industry

Description : What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper? (1) There is a crackling sound (2) There is a violent explosion (3) There is no reaction (4) The paper ignites

Last Answer : (2) There is a violent explosion Explanation: When solid Potassium Permanganate (KMnO4) is mixed with pure glycerol or other simple alcohols, it will result in a violent combustion ... Permanganate is an extremely powerful oxidizer which spontaneously ignites after coming in contact with glycerol.

Description : Why pcc cannot oxidise methanol to methane and while KMnO4 can ? 

Last Answer : Ans. This is because pcc is a mild oxidising agent and can oxide methanol to methanal only. While KMnO4 being strong oxidising agent oxidises it to methanoic acid.

Description : Why pcc cannot oxidise methanol to methane and while KMnO4 can ?

Last Answer : This is because pcc is a mild oxidising agent and can oxide methanol to methanal only. While KMnO4 being strong oxidising agent oxidises it to methanoic acid. 

Description : Which of the following statements is false about benzylamine? (a) can be prepared by reduction of benzonitrile with LiAlH4. (b) cannot be prepared by reduction of benzamide with LiAlH4. (c) reacts with nitrous acid to give benzyl alcohol. (d) reacts with KMnO4 to give benzoic acid.

Last Answer : cannot be prepared by reduction of benzamide with LiAlH

Description : Which of the following statements is False/Incorrect about nitrobenzene? (a) is formed by nitration of benzene at temperatures below 60°C. (b) can be further nitrated to give m-dinitrobenzene. (c) can be oxidized with KMnO4 to give benzoic acid. (d) can be reduced with Sn/HCl to give aniline.

Last Answer : can be oxidized with KMnO4 to give benzoic acid

Description : Which of the following statements is false about toluene? (a) can be prepared by treating benzene with methyl chloride in the presence of AlCl3. (b) is converted to benzoic acid on refluxing with ... (d) can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene.

Last Answer : can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene

Description : Uric acid on oxidation with alkaline KMnO4 forms : (a) Urea (b) Barbituric acid (c) Allantoin (d) Caffeine

Last Answer : Allantoin

Description : Aldehydes undergo oxidation with KMnO4/H+ to give (a) Alcohols (b) Acetals (c) Ketones (d) Acids

Last Answer : Acids

Description : Which of the following reagents readily react with ethyl methyl ether? (a) NaOH (b) Conc HI (c) KMnO4 (d) H2O

Last Answer : Conc HI

Description : Ethylene glycol undergoes oxidation with hot acidic KMnO4 to form : (a) Formic acid (b) Formaldehyde (c) Acetic acid (d) Acetaldehyde

Last Answer : Formic acid

Description : Which of the following reagents can be used to oxidize 1° alcohols to aldehydes? (a) KMnO4 (b) MnO2 (c) K2Cr2O7 (d) PCC

Last Answer : PCC

Description : Which one of the following compounds will (a) decolorizes dilute cold KMnO4 ; (b) decolorizes bromine water ; and (c) gives a white precipitate with ammoniacal AgNO3 solution. (a) 1-Hexene (b) 1-Hexyne (c) 2-Hexene (d) 2-Hexyne

Last Answer : 1-Hexyne

Description : Which of the following alkenes gives only acetic acid on oxidation with hot concentrated KMnO4. (a) Ethylene (b) 1-Butene (c) Propene (d) 2-Butene

Last Answer : 2-Butene

Description : Which of the following reagents will react with propene? (a) Hot alkaline KMnO4 (b) Sodium metal (c) Cold dilute HNO3 (d) LiAlH4

Last Answer : Hot alkaline KMnO4

Description : The disappearance of the purple color of KMnO4 in its reaction with alkene is known as (a) Markovnikov test (b) Grignard test (c) Baeyer test (d) Wurtz test

Last Answer : Baeyer test

Description : Baeyer's reagent is (a) dilute KMnO4 (b) HCl + ZnCl2 (c) Br2 in CCl4 (d) NH2NH2

Last Answer : dilute KMnO4

Description : Which reagent is used for conversion of benzaldehyde into toluene? a. KMnO4/NaOH b. NH2NH2/KOH c. HIO4 d. V2O5

Last Answer : b. NH2NH2/KOH

Description : What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? (1) There is a crackling sound. (2) There is a violent explosion. (3) There is no reaction. (4) The paper ignites.

Last Answer : There is a violent explosion.

Description : Ultraviolet rays can be used in water treatment as – (1) Flocculator (2) Precipitator (3) Hydrolyser (4) Disinfectant

Last Answer : (4) Disinfectant Explanation: UV radiation can be an effective viricide and bactericide. Disinfection using UV radiation is commonly used in wastewater treatment applications and is finding an increased usage in drinking water treatment.

Description : A gas used as a disinfectant in drinking water is - (1) Hydrogen (2) Oxygen (3) Fluorine (4) Chlorine

Last Answer : (4) Chlorine Explanation: Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water.

Description : Bleaching powder is used in drinking water as a/an – (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant

Last Answer : (1) disinfectant Explanation: Bleach refers to a number of chemicals which remove colour, whiten or disinfect, often via oxidation. Bleaches are used as household chemicals to whiten clothes and ... to control bacteria, viruses and algae and in any institution where sterile conditions are needed.

Description : Give an example of a chemical substance which can act both as an antiseptic and disinfectant.

Last Answer : Ans. Phenol. 

Description : Freon-12, CCl2F2, is used as a (a) Local anesthetic (b) Dry-cleaning agent (c) Refrigerant (d) Disinfectant

Last Answer : Refrigerant

Description : Ultraviolet rays can be used in water treatment as (1) Flocculator (2) Precipitator (3) Hydrolyser (4) Disinfectant

Last Answer : Disinfectant

Description : Bleaching powder is used in drinking water as a/an (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant

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Description : Which of the following is ozone depleting pesticide? (1) D.D.T. (2) Benzene (3) Methyl bromide (4) Ethylene ozonide

Last Answer : (3) Methyl bromide Explanation: Methyl bromide- is considered to be a significant ozone depleting substance (ODS) by atmospheric scientists. While methyl bromide is a natural substance, the additional methyl ... impact not only to human health and the environment, but to agricultural crops as well.

Description : Which of the following is ozone depleting pesticide ? (1) D.D.T. (2) Benzene (3) Methyl bromide (4) Ethylene ozonide

Last Answer : Methyl bromide

Last Answer : Some oxidants: - Solid liquid gaseous ( i) manganese dioxide [ MnO2] (i) nitric acid [ HNO3] (i) oxygen [ O2] (ii) potassium permanganate [ KMnO4] (ii) concentrated sulfuric acid [ H ] (ii) ... reaction of Br2 with SO2 , SO2 decomposes Br2 into HBr . SO2 is a toxic substance in this reaction .

Description : How do you prepare solution of 0.1N KMnO4?

Last Answer : Dissolve 31,6 g KMnO4 in 1 kg acidified distilled water.

Description : How do one prepare a solution of 0.01M KMnO4?

Last Answer : Dissolve 1,58 g KMnO4 for analysis in 1 L distilled water at 20 oC.

Description : How do you prepare solution of 0.1N KMnO4?

Last Answer : Dissolve 31,6 g KMnO4 in 1 kg acidified distilled water.

Description : How do one prepare a solution of 0.01M KMnO4?

Last Answer : Dissolve 1,58 g KMnO4 for analysis in 1 L distilled water at 20 oC.

Description : What is the product of a reaction between Cu3PO4 and KMnO4?

Last Answer : The chemical reaction is:Cu3PO4 + 3 KMnO4 = 3 CuMnO4 + K3PO4

Description : How many mols in 100g of KMnO4?

Last Answer : 0.006327754

Description : Methemoglobin is formed as a result of the oxidation of haemoglobin by oxidation agent: (A) Oxygen of Air (B) H2O2 (C) K4Fe(CN)6 (D) KMnO4

Last Answer : Answer : C

Description : Disappearance of pink colour of water of a well due of KMnO4 indicates that water contains (A) Acidity (B) Alkalinity (C) Turbidity (D) Organic matter

Last Answer : (D) Organic matter

Description : What is disinfectant ?

Last Answer : Chemicals that destroy harmful germs when used on inert matter are called disinfectants. It is harmful to human body tissues. This is why it is used to disinfect inert matter. For example, fennel is used as disinfectant to disinfect sewers , floors , bathrooms, etc.

Last Answer : Autoclave On the machine 121 degrees At temperature Disinfectant To do Is.

Description : Which disinfectant cannot be used in drinking water?

Last Answer : Which disinfectant cannot be used in drinking water? A. Chlorine B. Ozone C. Chloramine D. Phenyl

Description : Are Spores harmed by disinfectant heat or cold?

Last Answer : Yes, potentially all 3 could harm spores.

Description : Why would bacteria not grow on an agar plate treated with a disinfectant?

Last Answer : What is the answer ?

Description : Are Spores harmed by disinfectant heat or cold?

Last Answer : Yes, potentially all 3 could harm spores.