Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as (A) Photochemical smog (B) Peroxyacetyl nitrate (PAN) or methyl nitrite (C) Benzopyrene (D) Polyacrylonitrile

Direct reaction of unsaturated hydrocarbons with either NO or
NO2 produces an eye irritating pollutant compound known as
(A) Photochemical smog
(B) Peroxyacetyl nitrate (PAN) or methyl nitrite
(C) Benzopyrene
(D) Polyacrylonitrile
by

1 Answer

Answer :

(B) Peroxyacetyl nitrate (PAN) or methyl nitrite
by

Related questions

The constituents of photochemical smog responsible for eye irritation are (A) SO2 and O3 (B) SO2 and NO2 (C) HCHO and PAN (D) SO2 and SPM

Description : The constituents of photochemical smog responsible for eye irritation are (A) SO2 and O3 (B) SO2 and NO2 (C) HCHO and PAN (D) SO2 and SPM 

Last Answer : (C) HCHO and PAN

Peroxyacetyl nitrate (PAN), a pollutant is found in the (A) Automobile exhaust (B) Flue gas of coal based power plant (C) Exhaust of nitric acid plant (D) Exhaust of sulphuric acid plant

Description : Peroxyacetyl nitrate (PAN), a pollutant is found in the (A) Automobile exhaust (B) Flue gas of coal based power plant (C) Exhaust of nitric acid plant (D) Exhaust of sulphuric acid plant

Last Answer : (A) Automobile exhaust

Which of the following causes death by asphyxiation, if its presence inatmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)?(A) Benzopyrene(B) Peroxyacetyl nitrate(C) Carbon monoxide(D) Sulphur dioxide

Description : Which of the following causes death by asphyxiation, if its presence inatmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? (A) Benzopyrene (B) Peroxyacetyl nitrate (C) Carbon monoxide (D) Sulphur dioxide

Last Answer : (C) Carbon monoxide

A powerful eye irritant present in smog is - (a) ozone (b) nitric oxide (c) peroxyacetyl nitrate (d) sulphur dioxide

Description : A powerful eye irritant present in smog is - (a) ozone (b) nitric oxide (c) peroxyacetyl nitrate (d) sulphur dioxide

Last Answer : Ans:(c)

A powerful eye irritant present in smog is – (1) nitric oxide (2) sulphur dioxide (3) peroxyacetyl nitrate (4) carbon dioxide

Description : A powerful eye irritant present in smog is – (1) nitric oxide (2) sulphur dioxide (3) peroxyacetyl nitrate (4) carbon dioxide

Last Answer : (3) peroxyacetyl nitrate Explanation: Peroxyacetyl nitrate is a secondary pollutant present in photochemical smog. It is thermally unstable and decomposes into peroxyethanoyl radicals and nitrogen dioxide gas. It is a lachrymatory substance.

A powerful eye irritant present in smog is (1) nitric oxide (2) sulphur dioxide (3) peroxyacetyl nitrate (4) carbon dioxide

Description : A powerful eye irritant present in smog is (1) nitric oxide (2) sulphur dioxide (3) peroxyacetyl nitrate (4) carbon dioxide 

Last Answer : peroxyacetyl nitrate

Photochemical reaction of nitrogen oxides with unsaturated hydrocarbons produces

Description : Photochemical reaction of nitrogen oxides with unsaturated hydrocarbons produces

Last Answer : Photochemical reaction of nitrogen oxides with unsaturated hydrocarbons produces A. methyl isocyanate B. ... C. Benzpyrene D. peroxy-acyl nitrates.

Photochemical smog pollution does not contain (a) PAN (peroxyacyl nitrate) (b) ozone (c) nitrogen dioxide (d) carbon dioxide.

Description : Photochemical smog pollution does not contain (a) PAN (peroxyacyl nitrate) (b) ozone (c) nitrogen dioxide (d) carbon dioxide.

Last Answer : (d) carbon dioxide.

Peroxyacetyl nitrate is a – (1) Acidic dye (2) Plant hormone (3) Vitamin (4) Secondary pollutant

Description : Peroxyacetyl nitrate is a – (1) Acidic dye (2) Plant hormone (3) Vitamin (4) Secondary pollutant

Last Answer : (4) Secondary pollutant Explanation: Peroxyacetyl nitrate is a secondary pollutant present in photochemical smog (a mixture of air pollutants) that includes both gases and particulates. It is ... decomposes into peroxy-ethanoyi radicals and nitrogen dioxide gas. It is a lathIymatory substance.

Peroxyacetyl nitrate is a (1) Acidic dye (2) Plant hormone (3) Vitamin (4) Secondary pollutant

Description : Peroxyacetyl nitrate is a (1) Acidic dye (2) Plant hormone (3) Vitamin (4) Secondary pollutant

Last Answer : Secondary pollutant

Photo chemical smog is a result-ant of the reaction among – (1) High concentration of NO2, O3, and CO in the evening (2) CO, CO2 and NO2 at low temperature (3) CO, O2 and peroxy acetyl nitrate in the presence of Sunlight (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight

Description : Photo chemical smog is a result-ant of the reaction among – (1) High concentration of NO2, O3, and CO in the evening (2) CO, CO2 and NO2 at low temperature (3) CO, O2 and peroxy acetyl nitrate in the presence of Sunlight (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight

Last Answer : (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight Explanation: Photochemical smog is a unique type of air pollution which is caused by reactions between sunlight and pollutants like hydrocarbons and nitrogen dioxide (NO and NO2).

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog? (A) Nitrogen oxides (B) Hydrocarbons (C) Both 'a' & 'b' (D) Carbon monoxide

Description : Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog? (A) Nitrogen oxides (B) Hydrocarbons (C) Both 'a' & 'b' (D) Carbon monoxide

Last Answer : (C) Both 'a' & 'b'

Which is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles

Description : Which is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles

Last Answer : (A) Photochemical smog

Which of the following is not a secondary air pollutant? (A) Ozone (B) Photochemical smog (C) Sulphur dioxide (D) All (A), (B) & (C)

Description : Which of the following is not a secondary air pollutant? (A) Ozone (B) Photochemical smog (C) Sulphur dioxide (D) All (A), (B) & (C)

Last Answer : (C) Sulphur dioxide

Which of the following is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles

Description : Which of the following is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles

Last Answer : (A) Photochemical smog

Which of the following is produced during the formation of photochemical smog? (1) Nitrogen Oxides (2) Hydrocarbons (3) Methane (4) Ozone

Description : Which of the following is produced during the formation of photochemical smog? (1) Nitrogen Oxides (2) Hydrocarbons (3) Methane (4) Ozone

Last Answer : (4) Ozone Explanation: Ozone is produced during the formation of photochemical smog. Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities.

Which of the following are responsible for the formation of photochemical smog ? 1. Light intensity 2. Ratio of hydrocarbons to nitric oxide 3. CO2 4. Hydrocarbon reactivity 5. SO2 (a) 1, 2, 3, 4 and 5 (b) 1, 2 and 4 only (c) 2, 3 and 4 only (d) 2, 3 and 5 only

Description : Which of the following are responsible for the formation of photochemical smog ? 1. Light intensity 2. Ratio of hydrocarbons to nitric oxide 3. CO2 4. Hydrocarbon reactivity 5. SO2 (a) 1, 2, 3, 4 and 5 (b) 1, 2 and 4 only (c) 2, 3 and 4 only (d) 2, 3 and 5 only

Last Answer : (b) 1, 2 and 4 only

Photochemical smog is formed from automobile exhaust (A) By reaction of hydrocarbon & nitric oxide in presence of sunlight (B) Appears only on sunny days (C) Is harmful for crops and trees also besides causing eye irritation & asthma (D) All (A), (B) & (C)

Description : Photochemical smog is formed from automobile exhaust (A) By reaction of hydrocarbon & nitric oxide in presence of sunlight (B) Appears only on sunny days (C) Is harmful for crops and trees also besides causing eye irritation & asthma (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Pick out the wrong statement. (A) Benzopyrene which causes cancer is present in traces in tobacco, charcoal & petrol driven automobile exhaust (B) NO2 is capable of penetrating the troposphere and can absorb both ultraviolet & visible light (C) Hydrocarbon pollutants are produced by sweet gum, oak & natural rubber trees (D) H2S is not at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2

Description : Pick out the wrong statement. (A) Benzopyrene which causes cancer is present in traces in tobacco, charcoal & petrol driven automobile exhaust (B) NO2 is capable of penetrating the troposphere and ... at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2

Last Answer : (D) H2S is not at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2

Nitrous oxide, commonly called laughing gas, has been a matter of concern to environmentalists recently because: w) it is thought to cause cancer at low concentrations. x) it produces photochemical smog. y) it is a greenhouse gas. z) none of the above

Description : Nitrous oxide, commonly called laughing gas, has been a matter of concern to environmentalists recently because: w) it is thought to cause cancer at low concentrations. x) it produces photochemical smog. y) it is a greenhouse gas. z) none of the above

Last Answer : ANSWER: Y -- IT IS A GREENHOUSE GAS.

Which one among the following is responsible for formation of "Ozone Holes" in the atmosphere? (1) Benzopyrene (2) Hydrocarbons (3) Chlorofluorocarbons (4) UV radiation

Description : Which one among the following is responsible for formation of "Ozone Holes" in the atmosphere? (1) Benzopyrene (2) Hydrocarbons (3) Chlorofluorocarbons (4) UV radiation

Last Answer : (3) Chlorofluorocarbons Explanation: Chlorofluorocarbon (CFCs), commonly known by the DuPont brand name Freon, are considered as one of the ozonedepleting substances.

Which of the following is generally not drawn into fibre? (A) Polyamide (B) Unsaturated polyesters (C) Saturated polyesters (D) Polyacrylonitrile

Description : Which of the following is generally not drawn into fibre? (A) Polyamide (B) Unsaturated polyesters (C) Saturated polyesters (D) Polyacrylonitrile

Last Answer : (B) Unsaturated polyesters

Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the (A) Industrial chimney exhaust (B) Automobiles exhaust (C) Photochemical reaction in polluted atmosphere (D) Burning of domestic fuel

Description : Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the (A) Industrial chimney exhaust (B) Automobiles exhaust (C) Photochemical reaction in polluted atmosphere (D) Burning of domestic fuel

Last Answer : (B) Automobiles exhaust

Orlan fibre which is used as a wool substitute is (A) An amorphous polymer (B) A natural polymeric fibre (C) Polyacrylonitrile (D) Poly-methyl-methacrylate (PMMA)

Description : Orlan fibre which is used as a wool substitute is (A) An amorphous polymer (B) A natural polymeric fibre (C) Polyacrylonitrile (D) Poly-methyl-methacrylate (PMMA)

Last Answer : (C) Polyacrylonitrile

28. Which one of the following statements regarding photochemical smog is not correct? (1) Photochemical smog does not cause irritation in eyes and throat (2) Carbon monoxide does not play any role in photochemical smog formation (3) Photochemical smog is an oxidizing agent in character (4) Photochemical smog is formed through photochemical reaction involving solar energy.

Description : 28. Which one of the following statements regarding photochemical smog is not correct? (1) Photochemical smog does not cause irritation in eyes and throat (2) Carbon monoxide does not ... agent in character (4) Photochemical smog is formed through photochemical reaction involving solar energy.

Last Answer : Photochemical smog does not cause irritation in eyes and throat

Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a ‘particulate’? (A) Dust & mists(B) Smoke & fumes(C) Photochemical smog & soot(D) None of these

Description : Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a ‘particulate’? (A) Dust & mists (B) Smoke & fumes (C) Photochemical smog & soot (D) None of these

Last Answer : (D) None of these

Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in (A) Coagulation and flocculation of colloids (B) Oxidation of carbonaceous matter to CO2 (C) Nitrification or oxidation of ammonia derived from breakdown of nitrogenous organic matter to the nitrite and eventually to the nitrate (D) All (A), (B) and (C)

Description : Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in (A) Coagulation and flocculation of colloids (B) Oxidation of carbonaceous matter to CO2 (C) ... to the nitrite and eventually to the nitrate (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

If by radiation all nitrogenase enzyme are inactivated, then there will be no (a) fixation of nitrogen in legumes (b) fixation of atmospheric nitrogen (c) conversion from nitrate to nitrite in legumes (d) conversion from ammonium to nitrate in soil.

Description : If by radiation all nitrogenase enzyme are inactivated, then there will be no (a) fixation of nitrogen in legumes (b) fixation of atmospheric nitrogen (c) conversion from nitrate to nitrite in legumes (d) conversion from ammonium to nitrate in soil.

Last Answer : (a) fixation of nitrogen in legumes

Main pollutant present in automobile exhaust is (A) CO (B) CO2 (C) NO (D) Hydrocarbons

Description : Main pollutant present in automobile exhaust is (A) CO (B) CO2 (C) NO (D) Hydrocarbons

Last Answer : (A) CO

What is photochemical smog? -Biology

Description : What is photochemical smog? -Biology

Last Answer : answer:

What is photochemical smog? -Biology

Description : What is photochemical smog? -Biology

Last Answer : answer:

Photochemical smog occurs in which climage? -General Knowledge

Description : Photochemical smog occurs in which climage? -General Knowledge

Last Answer : The answer is 'Auxin'

What is produced during the formation of photochemical smog? -Do You Know?

Description : What is produced during the formation of photochemical smog? -Do You Know?

Last Answer : answer:

Photochemical smog occurs in which climage? -General Knowledge

Description : Photochemical smog occurs in which climage? -General Knowledge

Last Answer : answer:

Which of the following is responsible for the formation of photochemical smog ?

Description : Which of the following is responsible for the formation of photochemical smog ?

Last Answer : Answer : Carbon monoxide is responsible for creating photochemical smog.

Photochemical smog formed in congested metropolitan cities mainly consists of :

Description : Photochemical smog formed in congested metropolitan cities mainly consists of :

Last Answer : Photochemical smog formed in congested metropolitan cities mainly consists of : A. Ozone, peroxyacyl nitrate ... D. Hydrocarbons, ozone and `SO_(x)`

Which of the following cause photochemical smog?

Description : Which of the following cause photochemical smog?

Last Answer : Which of the following cause photochemical smog? A. `O_(3)` B. `CO_(2)` C. `CH_(4)` D. `SO_(2)`

Common components of photochemical smog may not contain:

Description : Common components of photochemical smog may not contain:

Last Answer : Common components of photochemical smog may not contain: A. PAN B. Ozone C. Nitrogen dioxide D. `SO_(2)`

Photochemical smog consists of

Description : Photochemical smog consists of

Last Answer : Photochemical smog consists of A. `O_(3), SO_(2)` and hydrocarbons B. `O_(3),PAN` and `NO_(2)` ... CO_(2)` and hydrocarbons D. `SO_(2)`,PAN and smoke

Primary constituents of photochemical smog are

Description : Primary constituents of photochemical smog are

Last Answer : Primary constituents of photochemical smog are A. `SO_(2)` and CO B. `CO_(2)` and `NO_ ... (2)` and unsaturated hydrocarbons D. Hydrocarbons and CFCs.

Photochemical smog is related to the pollution of :

Description : Photochemical smog is related to the pollution of :

Last Answer : Photochemical smog is related to the pollution of : A. Air B. Water C. Soil D. Nostoc.

The main component of photochemical smog is:

Description : The main component of photochemical smog is:

Last Answer : The main component of photochemical smog is: A. `O_(3)` B. PAN C. PPN and PBN D. both A and B

Photochemical smog was first observed in

Description : Photochemical smog was first observed in

Last Answer : Photochemical smog was first observed in A. Los angeless B. Tokyo C. New york D. Sydney

Photochemical smog brings about

Description : Photochemical smog brings about

Last Answer : Photochemical smog brings about A. Defoliation B. Bleaching and blazing of foliage C. Floral bud shedding D. discolouration and curling of petals.

The photochemical smog is formed by

Description : The photochemical smog is formed by

Last Answer : The photochemical smog is formed by A. Nitrogen oxides B. Hydrocarbons C. Nitrogen oxides ... Solar radiations upon nitrogen oxides and hydrocarbons.

Photochemical smog does not contain

Description : Photochemical smog does not contain

Last Answer : Photochemical smog does not contain A. Carbon dioxide B. PAN (peroxy acyl nitrate) C. Ozone D. Nitrogen dioxide

Photochemical smog was first observed in

Description : Photochemical smog was first observed in

Last Answer : Photochemical smog was first observed in A. London B. Los Angeles C. Paris D. Tokyo

The term 'brown air' is used for – (1) Acid fumes (2) Photochemical smog (3) Sulphurous smog (4) Industrial smog

Description : The term 'brown air' is used for – (1) Acid fumes (2) Photochemical smog (3) Sulphurous smog (4) Industrial smog

Last Answer : (2) Photochemical smog Explanation: Photochemical smog which is mainly composed of ozone (O3), Peroxyacetyl nitrate (PAN) and No., is also known as brown air where solar radiation is intense. In ... solar radiation or areas, smog formation is incomplete and the air is referred to as grey air.

What is produced during the formation of photochemical smog?

Description : What is produced during the formation of photochemical smog?

Last Answer : Nitrogen oxide

The yellow colour in photochemical smog is due to the presence of------? A. Sulphur dioxide B. Carbon dioxide C. Nitrogen dioxide (Answer) D. CFC’s

Description : The yellow colour in photochemical smog is due to the presence of------? A. Sulphur dioxide B. Carbon dioxide C. Nitrogen dioxide (Answer) D. CFC’s

Last Answer : C. Nitrogen dioxide (Answer)