Butyne Condensed formula?

Butyne Condensed formula?
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Nonene Condensed formula
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Description : What is the difference between structural and condensed formula?

Last Answer : The structural formula show the position of atoms in a molecule.

Classify the following compounds containing double bond and triple bond – Ethyne, benzene, Butyne, pentene

Description : Classify the following compounds containing double bond and triple bond – Ethyne, benzene, Butyne, pentene

Last Answer : Double bond: Benzene, pentene Triple bond: Ethyne, Butyne

The major product of acid-catalyzed dehydration of 2-butanol is : (a) 2-Butene (b) 2-Butyne (c) 1-Butene (d) 1-Butyne

Description : The major product of acid-catalyzed dehydration of 2-butanol is : (a) 2-Butene (b) 2-Butyne (c) 1-Butene (d) 1-Butyne

Last Answer : 2-Butene

A compound, C4H6, reacts with bromine and forms a white precipitate with ammoniacal silver nitrate solution. It reacts with dilute H2SO4 in the presence of mercuric sulfate to form 2-butanone. The compound could be (a) 1-Butyne (b) 1-Butene (c) 2-Butyne (d) 2-Butene

Description : A compound, C4H6, reacts with bromine and forms a white precipitate with ammoniacal silver nitrate solution. It reacts with dilute H2SO4 in the presence of mercuric sulfate to form 2-butanone. The compound could be (a) 1-Butyne (b) 1-Butene (c) 2-Butyne (d) 2-Butene

Last Answer : 1-Butyne

Which alkyne yields propanoic acid as the only product upon treatment with ozone followed by hydrolysis? (a) 1-Butyne (b) 2-Hexyne (c) 1-Pentyne (d) 3-Hexyne

Description : Which alkyne yields propanoic acid as the only product upon treatment with ozone followed by hydrolysis? (a) 1-Butyne (b) 2-Hexyne (c) 1-Pentyne (d) 3-Hexyne

Last Answer : 3-Hexyne

Ozonolysis of 2-butyne gives (a) Formic acid (b) Propanoic acid (c) Acetic acid (d) Butanoic acid

Description : Ozonolysis of 2-butyne gives (a) Formic acid (b) Propanoic acid (c) Acetic acid (d) Butanoic acid

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Which of the following compounds reacts with ammoniacal cuprous chloride to give a precipitate? (a) 1-Butene (b) 1-Butyne (c) 2-Butene (d) 2-Butyne

Description : Which of the following compounds reacts with ammoniacal cuprous chloride to give a precipitate? (a) 1-Butene (b) 1-Butyne (c) 2-Butene (d) 2-Butyne

Last Answer : 1-Butyne

Which of the following compounds does not react with ammoniacal AgNO3 solution? (a) Acetylene (b) 1-Butyne (c) Propyne (d) 2-Butyne

Description : Which of the following compounds does not react with ammoniacal AgNO3 solution? (a) Acetylene (b) 1-Butyne (c) Propyne (d) 2-Butyne

Last Answer : 2-Butyne

Which of the following compounds will react with ammoniacal silver nitrate? (a) 1-Butene (b) 1-Butyne (c) 2-Butene(d) 2-Butyne

Description : Which of the following compounds will react with ammoniacal silver nitrate? (a) 1-Butene (b) 1-Butyne (c) 2-Butene (d) 2-Butyne

Last Answer : 1-Butyne

2-Butyne undergoes catalytic hydrogenation in the presence of Lindlar's catalyst to give (a) 2-Butene (b) Butane (c) 1-Butene (d) 2-Methylpropene

Description : 2-Butyne undergoes catalytic hydrogenation in the presence of Lindlar's catalyst to give (a) 2-Butene (b) Butane (c) 1-Butene (d) 2-Methylpropene

Last Answer : 2-Butene

1-Butyne reacts with (a) NaNH2 (b) Dil H2SO4 and HgSO4 (c) HBr (d) All of these

Description : 1-Butyne reacts with (a) NaNH2 (b) Dil H2SO4 and HgSO4 (c) HBr (d) All of these

Last Answer : All of these

1-Butyne can be distinguished from 2-butyne by using (a) potassium permanganate (b) bromine in CCl4 (c) Tollens' reagent (d) chlorine in CCl4

Description : 1-Butyne can be distinguished from 2-butyne by using (a) potassium permanganate (b) bromine in CCl4 (c) Tollens' reagent (d) chlorine in CCl4

Last Answer : chlorine in CCl4

Which of the following hydrocarbons has acidic hydrogens? (a) 1-Butene (b) 1-Butyne (c) 2-Butene (d) 2-Butyne

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Last Answer : 1-Butyne

Starting with 2-butene, which of the following is the best method for preparing 2-butyne? (a) HBr; H2/Ni; Zn/H+ (b) HBr; Zn/H+; H2/Ni (c) Br2/CCl4; Zn/H+; H2/Ni (d) Br2/CCl4; 2NaNH2

Description : Starting with 2-butene, which of the following is the best method for preparing 2-butyne? (a) HBr; H2/Ni; Zn/H+ (b) HBr; Zn/H+; H2/Ni (c) Br2/CCl4; Zn/H+; H2/Ni (d) Br2/CCl4; 2NaNH2

Last Answer : Br2/CCl4; 2NaNH2

Among the compounds water, 1-butyne, 2-butyne, and ethane, which are stronger acids than ammonia? (a) 1-butyne and ethane (b) water and 1-butyne (c) water and ethane (d) 1-butyne and 2-butyne

Description : Among the compounds water, 1-butyne, 2-butyne, and ethane, which are stronger acids than ammonia? (a) 1-butyne and ethane (b) water and 1-butyne (c) water and ethane (d) 1-butyne and 2-butyne

Last Answer : water and 1-butyne

The reagent needed to convert 2-butyne to cis-2-butene is : (a) H2/Pt (b) H2/Lindlar’s catalyst (c) Li/NH3 (d) Na/NH3

Description : The reagent needed to convert 2-butyne to cis-2-butene is : (a) H2/Pt (b) H2/Lindlar’s catalyst (c) Li/NH3 (d) Na/NH3

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Which of the following will give a negative test when treated with bromine in carbon tetrachloride? (a) Butane (b) 2-Butene (c) 1,3-Butadiene (d) 2-Butyne

Description : Which of the following will give a negative test when treated with bromine in carbon tetrachloride? (a) Butane (b) 2-Butene (c) 1,3-Butadiene (d) 2-Butyne

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The dehydrohalogenation of 2-bromobutane with alcoholic KOH gives mainly (a) 2-Butene (b) 2-Butyne (c) 1-Butene (d) 1-Butyne

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Which of the following compounds will show geometrical isomerism? (a) Propene (b) 2-Butene (c) Propyne (d) 2-Butyne

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Moisture absorbed in the windings or condensed on the surface of electrical machinery insulation ________. A. is good for long term preserving since most insulation is organic and contains some amount B. lowers the insulation value and is a common cause of fault grounds in idle machines C. will enhance insulation resistance only if it is fresh water and contains no salt D. reduces the amount of current supplied or drawn by the machine so horsepower is limited

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Steam is to be condensed in a shell and tube heat exchanger, 5 m long with a shell diameter of 1 m. Cooling water is to be used for removing the heat. Heat transfer co-efficient for the cooling water, whether on shell side or tube side is the same. The best arrangement is (A) Vertical heat exchanger with steam on tube side (B) Vertical heat exchanger with steam on shell side (C) Horizontal heat exchanger with steam on tube side (D) Horizontal heat exchanger with steam on shell side

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Last Answer : (B) Vertical heat exchanger with steam on shell side

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The association of histone H1 with a nucleosome indicates that (a) DNA replication is occurring (b) the DNA is condensed into a chromatin fibre (c) the DNA double helix is exposed (d) transcription is occurring.

Description : The association of histone H1 with a nucleosome indicates that (a) DNA replication is occurring (b) the DNA is condensed into a chromatin fibre (c) the DNA double helix is exposed (d) transcription is occurring.

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Description : Match the columns and identify the correct option. Column I Column II A. Thylakoids (i) Disc-shaped sacs in Golgi apparatus B. Cristae (ii) Condensed structure of DNA C. Cisternae (iii) Flat membranous sacs in stroma D. Chromatin (iv) ... iii), C-(i), D-(ii) (d) A-(iii), B-(iv), C-(i), D-(ii)

Last Answer : (d) A-(iii), B-(iv), C-(i), D-(ii)

The protists have (a) only free nucleic acid aggregates(b) membrane bound nucleoproteins lying embedded in the cytoplasm (c) gene containing nucleoproteins condensed together in loose mass (d) nucleoprotein in direct contact with the rest of the cell substance.

Description : The protists have (a) only free nucleic acid aggregates (b) membrane bound nucleoproteins lying embedded in the cytoplasm (c) gene containing nucleoproteins condensed together in loose mass (d) nucleoprotein in direct contact with the rest of the cell substance.

Last Answer : (b) membrane bound nucleoproteins lying embedded in the cytoplasm

The chief type of spoilage in sweetened condensed milk may beA.gas formation by sucrose fermenting yeasts B.thickening caused by micrococci C.mold colonies growing on the surface D.all of the above

Description : The chief type of spoilage in sweetened condensed milk may be A.gas formation by sucrose fermenting yeasts B.thickening caused by micrococci C.mold colonies growing on the surface D.all of the above

Last Answer : D.all of the above

The chief type of spoilage in sweetened condensed milk may be A.gas formation by sucrose fermenting yeasts B.thickening caused by micrococci C.mold colonies growing on the surface D.all of the above

Description : The chief type of spoilage in sweetened condensed milk may be A.gas formation by sucrose fermenting yeasts B.thickening caused by micrococci C.mold colonies growing on the surface D.all of the above

Last Answer : D.all of the above

Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg. K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is (A) Superheated vapour (B) Partially condensed vapour with quality of 0.9 (C) Saturated vapour (D) Partially condensed vapour with quality of 0.1

Description : Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg. K, entropy of saturated vapour = 7.2234 ... vapour with quality of 0.9 (C) Saturated vapour (D) Partially condensed vapour with quality of 0.1

Last Answer : (A) Superheated vapour

At absolute zero temperature, for any reaction involving condensed phases (A) Δ G° = 0 , Δ H° = 0 (B) Δ H° = 0 , Δ S° = 0 (C) Δ S° = 0 , Δ E° = 0 (D) Δ S° = 0 , Δ Cp° = 0

Description : At absolute zero temperature, for any reaction involving condensed phases (A) Δ G° = 0 , Δ H° = 0 (B) Δ H° = 0 , Δ S° = 0 (C) Δ S° = 0 , Δ E° = 0 (D) Δ S° = 0 , Δ Cp° = 0

Last Answer : C) Δ S° = 0 , Δ E° = 0

What is the maximum percent of energy recovered if the steam is condensed before reintroduced to system? a) 25 b) 35 c) 45 d) 55

Description : What is the maximum percent of energy recovered if the steam is condensed before reintroduced to system? a) 25 b) 35 c) 45 d) 55

Last Answer : 35

_________________ is the name given to a gaseous phase that is in contact with the liquid phase, or that is in the vicinity of a state where some of it might be condensed.  a) Vapor  b) Saturated Vapor  c) Superheated Vapor  d) Wet Vapor

Description : _________________ is the name given to a gaseous phase that is in contact with the liquid phase, or that is in the vicinity of a state where some of it might be condensed.  a) Vapor  b) Saturated Vapor  c) Superheated Vapor  d) Wet Vapor

Last Answer : Vapor

Water vapor at 100 KPa and 150°C is compressed isothermally until half the vapor has condensed. How much work must be performed on the steam in this compression process per kilogram?  a) -1384.7 kJ  b) 1384.7 kJ  c) -2384.7 kJ  d) 2384.7 kJ

Description : Water vapor at 100 KPa and 150°C is compressed isothermally until half the vapor has condensed. How much work must be performed on the steam in this compression process per kilogram?  a) -1384.7 kJ  b) 1384.7 kJ  c) -2384.7 kJ  d) 2384.7 kJ

Last Answer : -1384.7 kJ

The less mercury remaining in condensed amalgam: A. The stronger the restoration which contains fewer matrix alloys and fewer voids B. The weaker the restoration C. The more matrix alloys D. The more voids E. None of the above

Description : The less mercury remaining in condensed amalgam: A. The stronger the restoration which contains fewer matrix alloys and fewer voids B. The weaker the restoration C. The more matrix alloys D. The more voids E. None of the above

Last Answer : A. The stronger the restoration which contains fewer matrix alloys and fewer voids

The method you will use to fill root canal of maxillary lateral incisor is: A. One major Gutta Percha cone B. Laterally condensed C. Laterally above condensed

Description : The method you will use to fill root canal of maxillary lateral incisor is: A. One major Gutta Percha cone B. Laterally condensed C. Laterally above condensed

Last Answer : B. Laterally condensed

A large amalgam core is to be condensed around several pins in a vital molar tooth; what type of amalgam mix would you prefer: A. A large mix to ensure homogeneity B. A large with extra mercury to give easier manipulative qualities C. Several small mixes, sequentially triturated D. Several small mixes with varying mercury/alloy ratios E. A basic mix to which additional mercury is added as needed

Description : A large amalgam core is to be condensed around several pins in a vital molar tooth; what type of amalgam mix would you prefer: A. A large mix to ensure homogeneity B. A large with ... small mixes with varying mercury/alloy ratios E. A basic mix to which additional mercury is added as needed

Last Answer : C. Several small mixes, sequentially triturated

The technique of placing guttapercha cones against the root canal walls providing space for additional guttapercha is termed: A. Lateral Condensation B. One major Gutta Percha point C. Laterally above condensed

Description : The technique of placing guttapercha cones against the root canal walls providing space for additional guttapercha is termed: A. Lateral Condensation B. One major Gutta Percha point C. Laterally above condensed

Last Answer : A. Lateral Condensation

Sweetened condensed milk has an extended shelf-life due to the addition of ____. a. salt c. oxygen b. sugar d. vinegar

Description : Sweetened condensed milk has an extended shelf-life due to the addition of ____. a. salt c. oxygen b. sugar d. vinegar

Last Answer : salt