p-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form, the compound B. the latter on acedic hy

1 Answer

Answer :

p-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form, ... the carboxylic acid is A. B. C. D.

Related questions

Description : An organic compound ("X") is a disubstituted benzene containing 77.8% carbon and 7.4 % hydrogen. Heating an alkaline solution of "X" with chloroform g

Last Answer : An organic compound ("X") is a disubstituted benzene containing 77.8% carbon and 7.4 % hydrogen. Heating an alkaline ... "Z". "Z" is A. B. C. D.

Description : When phenol reacts with chloroform and an alkali, the compound formed is salicylaldehyde. If pyrene is used in place of chloroform, the product obtain

Last Answer : When phenol reacts with chloroform and an alkali, the compound formed is salicylaldehyde. If ... . Salicyladehyde C. Phenolphthalein D. Cyclo hexanol

Description : Ethyl alcohol is commonly made unfit for drinking by the addition of (a) potassium cyanide (b) methyl alcohol (c) chloroform (d) potassium chloride

Last Answer : Ans:(b)

Description : In alkaline medium , `KMnO_(4)` reacts as follows `2KMnO_(4)+2KOH rarr 2K_(2)MnO_(4)+H_(2)O+O` Therefore, the equivalent mass of `KMnO_(4)` will be

Last Answer : In alkaline medium , `KMnO_(4)` reacts as follows `2KMnO_(4)+2KOH rarr 2K_(2)MnO_(4)+H_(2)O+O` Therefore, the ... 31.6` B. `63.2` C. `126.4` D. 158

Description : Carbonyl chloride reacts with ammonia to give (a) Urea (b) Acetone (c) Acetamide (d) Chloroform

Last Answer : Urea

Description : An organic base (X) reacts with nitrous acid at `0^(@)C` to give a clear solution. Heating the solution with KCN and cuprous cyanide followed by conti

Last Answer : An organic base (X) reacts with nitrous acid at `0^(@)C` to give a clear solution. Heating the solution with ... solid. "X" is : A. B. C. D.

Description : The antiseptic compound present in dettol is – (1) Iodine (2) Enloroxylenol (3) Biothional (4) Cresol

Last Answer : (2) Enloroxylenol Explanation: The active ingredient in Dettol that confers its antiseptic property is chloroxylenol (C8H9ClO), an aromatic chemical compound. Chloroxylenol comprises 4.8% of Dettol's total mixture, with the rest composed of pine oil, isopropanol, castor oil soap, caramel and water.

Description : The antiseptic compound present in dettol is (1) Iodine (2) Enloroxylenol (3) Biothional (4) Cresol

Last Answer : Enloroxylenol

Description : In the following compounds phenol (I), p-cresol (II), m-nitrophenol (III) and p-nitrophenol (IV), the order of acidity is:

Last Answer : In the following compounds phenol (I), p-cresol (II), m-nitrophenol (III) and p- ... `IgtIVgtIIIgtII` C. `IIgtIgtIIIgtIV` D. `IVgtIIIgtIgtII`

Description : During the reaction of Benzene diazonium chloride with para-cresol the substitution occurs at_____position of p-cresol.

Last Answer : During the reaction of Benzene diazonium chloride with para-cresol the substitution occurs at_____position of p-cresol.

Description : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (1) Phenol (2) p-cresol (3) Benzoic acid (4) Benzene sulphonic acid (5) A

Last Answer : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (1) Phenol (2) p-cresol ... P-toluedine (7) Picric acid (8) Squaric acid

Description : Which of the following compounds is most acidic? (a) o-Cresol (b) p-Nitrophenol (c) p-Cresol (d) p-Chlorophenol

Last Answer : p-Nitrophenol

Description : Carbonyl compound which contains `alpha-H` gives aldol condenation reaction in presence of alkaline medium. The reaction between two molecules of acet

Last Answer : Carbonyl compound which contains `alpha-H` gives aldol condenation reaction in presence of alkaline medium. The ... and 2,8-diketone D. All of these

Description : Carbonyl compound which contains `alpha-H` gives aldol condenation reaction in presence of alkaline medium. The reaction between two molecules of acet

Last Answer : Carbonyl compound which contains `alpha-H` gives aldol condenation reaction in presence of alkaline medium. The reaction ... )H-(CH_(2))_(4)-CH_(3)`

Description : Carbonyl compound which contains `alpha-H` gives aldol condenation reaction in presence of alkaline medium. The reaction between two molecules of acet

Last Answer : Carbonyl compound which contains `alpha-H` gives aldol condenation reaction in presence of alkaline medium. The ... and 2,8-diketone D. All of these

Description : Carbonyl compound which contains `alpha-H` gives aldol condenation reaction in presence of alkaline medium. The reaction between two molecules of acet

Last Answer : Carbonyl compound which contains `alpha-H` gives aldol condenation reaction in presence of alkaline medium. The reaction ... )H-(CH_(2))_(4)-CH_(3)`

Description : Whenever a photon is emitted by hydrogen in balmer series it is followed by another in lyman series what wavelength does this latter photon correspond

Last Answer : Whenever a photon is emitted by hydrogen in balmer series it is followed by another in ... what wavelength does this latter photon correspond to?

Description : When a compound X reacts with ozone in aq medium, a compound Y is produced. Ozone also reacts with moist Y and produces compound Z. Z acts as an oxidi

Last Answer : When a compound X reacts with ozone in aq medium, a compound Y is produced. Ozone also reacts with moist Y and ... `X=HI, Y=I_(2) and Z=HIO_(4)`

Description : When an inorganic compound reacts with `SO_2` in aqueous medium produces `(A). (A)` on reaction with `Na_2 CO_3` gives the compound `(B)` which with s

Last Answer : When an inorganic compound reacts with `SO_2` in aqueous medium produces `(A). (A)` on reaction with `Na_2 CO_3` ... C. `Na_(2)S` D. `Na_(2)SO_(3)`

Description : Compound `[X] C_(4)H_(11)N` reacts with p-toluence sulphonyl chloride in aqueous `NaOH` to give a solid. The compound [X] is:

Last Answer : Compound `[X] C_(4)H_(11)N` reacts with p-toluence sulphonyl chloride in aqueous `NaOH` to give a solid. ... 2)-underset(CH_(3))underset(|)(N)-CH_(3)`

Description : Select the progestin preparation for coadministration with estrogen for hormone replacement therapy that does not counteract the beneficial effect of the latter on lipid profile due to lack of ... oral progesterone B. Norethindrone C. Lynestrenol D. Medroxyprogesterone acetate (p. 281-282)

Last Answer : Select the indication for which a progestin is used alone without combining with an estrogen: A. Threatened abortion B. Dysfunctional uterine bleeding C. Hormone replacement therapy D. Premenstrual tension

Description : A compound reacts with sodium and liberates hydrogen and on oxidation gives ketone. The formula of the compound could be

Last Answer : A compound reacts with sodium and liberates hydrogen and on oxidation gives ketone. The formula of the compound could ... `CH_(3)CH_(2)CH_(2)CH_(2)OH`

Description : How many bonds occur between the carbon and nitrogen atoms when drawing the Lewis dot structure for hydrogen cyanide?

Last Answer : Need answer

Description : The term ‘Cynogenesis’ describes the release of (a) hydrogen cyanide (HCN) (b) hydrochloric acid (HCl) (c) hydrogen peroxide (H202) (d) hydrogen sulphide (H2S)

Last Answer : Ans:(a)

Description : Why are Calcium Carbide (CaC 2 ), Carbon monoxide (CO), Carbon dioxide (CO 2 ), Hydrogen cyanide (HCN) and calcium carbonate (CaCO 3 ) classified as inorganic compounds through they contain carbon?

Last Answer : These compounds contain only one or two carbon atoms per formula unit and contain no carbon-carbon (C-C) bonds or carbon-hydrogen bonds. Hence they are classified as inorganic compounds.

Description : The following are green house gases a. Methane, carbon dioxide, carbon monoxide b. Methane, water vapour, carbon sulphide c. Carbon dioxide, hydrogen sulphide, hydrogen cyanide d. Carbon dioxide, Carbon monoxide, hydrogen cyanide

Last Answer : a. Methane, carbon dioxide, carbon monoxide

Description : Which of the following is produced when polyvinyl chloride is burned? w) Hydrogen Cyanide x) Hydrogen Chloride y) Nitrogen Oxide z) Oxygen

Last Answer : ANSWER: X -- HYDROGEN CHLORIDE 

Description : The reaction of chloroform with alcoholic `KOH` and p- toluidine forms

Last Answer : The reaction of chloroform with alcoholic `KOH` and p- toluidine forms A. B. C. D.

Description : When aniline is heated with chloroform and alcoholic KOH, the product is (a) Benzonitrile (b) p-Chloroaniline (c) Phenylisocyanide (d) m-Chloroaniline

Last Answer : Phenylisocyanide

Description : Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. (A) Resorcinol (B) Phenol (C) Para-cresol (D) Melamine

Last Answer : (D) Melamine

Description : Solvent used in duo-sol extraction for lube oil upgradation is a mixture of (A) Propane & phenol-cresol mixture (B) Methyl ethyl ketone & glycol (C) Phenol & furfural (D) Propane & liquid sulphur dioxide

Last Answer : (A) Propane & phenol-cresol mixture

Description : Which of the following compounds is most acidic? (a) Phenol (b) m-Nitrophenol (c) m-Cresol (d) m-Bromophenol

Last Answer : m-Nitrophenol

Description : Give reasons : (a) Diamond and rhombic Sulphur are covalent solids, but the latter has lower melting points. (b) Among NaCl and CsCl, CsCl is quite stable.

Last Answer : (a) Due to weak Vander Waal’s Force in Sulphur molecule. (b) CsCl coordination number is 8. It is surrounded by 8 anion tightly. 

Description : Karachi kosi cheez mashoor hy?

Last Answer : Nanga Parbat (8,126 m or 26,660 ft)

Description : (A) : Thermal stability of the hydrides of VIA group elements decreases from `H_(2)O` to `H_(2)Po` (R) : The heats of dissociation of M - H bond of hy

Last Answer : (A) : Thermal stability of the hydrides of VIA group elements decreases from `H_(2)O` to `H_(2)Po` (R) : ... is false D. (A) is false but (R) is true

Description : What episode from Naruto Shippuden did Sakura Haruno and Ino Yamanaka and Hinata Hy and 363ga get tied up and gagged?

Last Answer : Need answer

Description : Wo konsa jannwar hy jiski 3 ankhein hain?

Last Answer : Wo konsa jannwar hy jiski 3 ankha hy

Description : What year hy-score 814 was made pistol?

Last Answer : It's a Diana Model 2 air pistol sold under the Hy Score name inthe 1960s.

Description : Can I connect XM and Sirius radio to hy home stereo?

Last Answer : XM and Sirius radios have there own devices, just like iPod has iHomes, XM and Sirius radios have portable radios that you can plug in your XM or Sirius radio to.

Description : A mixture of carbon monoxide and hy- drogen is called?

Last Answer : Water gas

Description : What is formed by the mixture of hy- drogen; methane and carbon monoxide?

Last Answer : Coal gas

Description : The simplest member of saturated hy- drocarbon is?

Last Answer : Methane (CH4)

Description : hy aluminium armouring for single core 1000 mm2 is used?

Last Answer : Aluminium armouring for single core 1000 mm2 is used so that heating will not take place due to the flux around the conductor, as the aluminium is a non-magnetic material. 

Description : Why is a food web more realistic way of portraying an ecosystem than a food chain? a) Because it shows the relation of organisms with each other in a habitat b) Because food chains use only a ... other in a habitat d) Because it compares the number of consumers to the number of micro-organisms.

Last Answer : Because it shows the relation of organisms with each other in a habitat 

Description : Botanical Words Alphabetical List - HY

Last Answer : HYBRID: The offspring of genetically different parents, often produced accidentally or artificially in cultivation, but occasionally arising in the wild. HYBRIDIZABLE: Capable of producing hybrid ... A leaf located underneath spore-bearing leaves. HYPSOPHYLLARY: Pertaining to the hypsophyll.

Description : Pick out the wrong statement. (A) Percentage of ash in coke produced from medium coking coal is more than that in coal (B) The calorific value (kcal/Nm3 ) of coke oven gas reduces on ... plants in India at Talcher (Orissa) and Ramagundam (A.P) employ Kopper-Totzek process of coal gasification

Last Answer : (C) Ash is normally removed as 'fly-ash' in Kopper-Totzek process of coal gasification

Description : P,Q, R enter into a partnership.P initially invests Rs 54 lakh and withdraws Rs 18 lakhs after 4 years. Q initially Rs 72 lakh ans adds another Rs 18 lakhs after 6 years and R invests Rs 108 lakh and adds another ... Then for how many years did R invests Rs 126 lakh per annum A) 5 B) 7 C) 8 D) 11 

Last Answer : Answer: C) Ratio of their profit P, Q, R is 54*4+36*6:72*6+90*4:108*x+126*(10-x) =12:22:35 - 0.5x Profit of R=profit of P +profit of Q 35-0.5x=12+22 X=2 year The number of years for R invests Rs 126 lakh =10-2=8years

Description : P, Q, R enter into a partnership. P initially invests Rs 15000 and withdrawn Rs. 7500 after 7 months. Q initially invests Rs 12500 and withdraws Rs 10000 after 5 months and R invests Rs 10000 and adds another Rs 5000 ... after how many months did R invests Rs 10000? A) 2.5 B) 2.6 C) 2.7 D) None

Last Answer : Answer: A)  Ratio of P, Q &R is , 15000*7+7500* 8:12500*5+2500* 10:10000*x+15000*(15-x)  P: Q: R=66:35:9-2x  Profit of Q = (profit of P + profit of R)/2  35 = (66 +9 -2x)/2  X=2.5 months

Description : Benzoyl chloride reacts with hydrogen in the presence of palladium and barium sulfate to give : (a) Benzyl alcohol (b) Benzaldehyde (c) Cinnamic acid (d) Benzophenone

Last Answer : Benzaldehyde

Description : Cyclobutane reacts with hydrogen in the presence of nickel catalyst at 200°C to give (a) Butane (b) 1-Butene (c) 2-Butene (d) None of these

Last Answer : Butane