Description : Which of the following compounds will react with methylmagnesium bromide to give tert-butyl alcohol? (a) Acetyl chloride (b) Acetone (c) Isopropyl alcohol (d) Acetaldehyde
Last Answer : Acetone
Description : Hydroboration-oxidation of propene gives : (a) Isopropyl alcohol (b) n-Propyl alcohol (c) Isobutyl alcohol (d) tert-Butyl alcohol
Last Answer : n-Propyl alcohol
Description : 2-Methylpropene reacts with HBr to give (a) tert-Butyl bromide (b) Isobutane (c) n-Butyl bromide (d) None of these
Last Answer : tert-Butyl bromide
Description : Optical isomerism is shown by (a) n-Butyl chloride (b) sec-Butyl chloride (c) tert-Butyl chloride (d) Isobutyl chloride
Last Answer : sec-Butyl chloride
Description : Which of the following describes the side chain of Leucine? (a) ethyl group (b) isopropyl group (c) sec-butyl group (d) isobutyl group
Last Answer : isobutyl group
Description : Which of the following describes the side chain for Alanine? (a) hydrogen (b) ethyl group (c) methyl group (d) isopropyl group
Last Answer : methyl group
Description : Diethyl ether on heating with excess concentrated HI gives (a) Methyl iodide (b) Isopropyl iodide (c) Ethyl iodide (d) n-Propyl iodide
Last Answer : Ethyl iodide
Description : Grain alcohol is another name for (a) Methyl alcohol (b) Isopropyl alcohol (c) Ethyl alcohol (d) n-Propyl alcoho
Last Answer : Ethyl alcohol
Description : Wood spirit is – (1) Methyl alcohol (2) Ethyl alcohol (3) Butyl alcohol (4) Propyl alcohol
Last Answer : (1) Methyl alcohol Explanation: Methanol is also known as methyl alcohol, wood alcohol, wood naphtha or wood spirits. It acquired the name "wood alcohol" because it was once produced ... is produced in a catalytic industrial process directly from carbon monoxide, carbon dioxide, and hydrogen.
Description : lodex, a pain relief balm, has the smell of _______. (1) Methyl salicylate (2) Ethyl salicylate (3) Propyl salicylate (4) Butyl salicylate
Last Answer : (1) Methyl salicylate Explanation: Iodex has the characteristic odour of Methyl salicylate, an organic ester naturally produced by many species of plants, particularly wintergreens. It is used in high ... as a rubefacient and analgesic in deep heating liniments to treat joint and muscular pain.
Description : Iodex, a pain relief balm, has the smell of __________ . (1) Methyl salicylate (2) Ethyl salicylate (3) Propyl salicylate (4) Butyl salicylate
Last Answer : Methyl salicylate
Description : Wood spirit is (1) Methyl alcohol (2) Ethyl alcohol (3) Butyl alcohol (4) Propyl alcohol
Last Answer : Methyl alcohol
Description : Which of the following reagents can distinguish ethyl methyl either from isopropyl alcohol ?
Last Answer : Which of the following reagents can distinguish ethyl methyl either from isopropyl alcohol ? A. `Br_(2)CCl_(4)` B. ` ... ` D. `CuCl//NH_(4)^(+)OH^(-)`
Description : Di-tert butyl ether cannot be made by Williamson’s synthesis. Explain why ?
Last Answer : Ans. To prepare di tert-butyl ether by Williamson's synthesis, we need tert-butyl bromide and Sodium tertiary butoxide. Since tert-butyl bromide being 3°-alkyl halide prefers to ... rather than substitution, therefore the product obtained is isobutylene rather than ditertiary butyl ether.
Description : Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent ... nitration temperature (C) Lower solvent dilution ratio (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with (A) Methyl alcohol (B) Ethyl alcohol (C) Methane (D) Ethane
Last Answer : (A) Methyl alcohol
Description : The most suitable chemical which can be applied to the water surface for reducing evaporation is (A) Methyl alcohol (B) Ethyl alcohol (C) Cetyl alcohol (D) Butyl alcohol
Last Answer : Answer: Option C
Description : The hyperconjugative stabilities of tert-butyl cation and `2`-butene, respectively, are due to
Last Answer : The hyperconjugative stabilities of tert-butyl cation and `2`-butene, respectively, are due to A ... and `sigma rarrpi^(**)` electron delocalizations
Description : The major product obtained when tert- butyl bromide is heated with sodium ethoxide is
Last Answer : The major product obtained when tert- butyl bromide is heated with sodium ethoxide is A. 2- ... Ehene C. tert- Buty1methy1ether D. Diethyl ether
Description : Which of the following alkenes when passed through conc. `H_(2)SO_(4)` followed by hydrolysis with boiling water would give tert-butyl alcohol
Last Answer : Which of the following alkenes when passed through conc. `H_(2)SO_(4)` followed by hydrolysis with ... B. Isobutylene C. Propylene D. But-1-ene
Description : A compound reacts with steam in the presence of concentrated H2SO4 to give isopropyl alcohol. The compound could be (a) Alkane (b) Alkyne (c) Alkene (d) Allene
Last Answer : Alkene
Description : Which of the following is an organometallic compound? (A) Isopropyl alcohol (B) Tetra-ethyl lead (C) Zeolite (D) Cumene
Last Answer : (B) Tetra-ethyl lead
Description : Ethyl acetoacetate reacts with phenylhydrazine to give (a) Antipyrine (b) Aspirin (c) 4-Methyl uracil (d) DDT
Last Answer : Antipyrine
Description : Acetic anhydride reacts with ethanal to give (a) Methyl acetate (b) Methyl propanoate (c) Ethyl acetate (d) Ethyl propanoate
Last Answer : Ethyl acetate
Description : Acetic acid reacts with methyl alcohol in the presence of an acid catalyst to give (a) Methyl formate (b) Ethyl formate (c) Methyl acetate (d) Ethyl acetate
Last Answer : Methyl acetate
Description : Ethyl bromide reacts with sodium methoxide to form (a) Diethyl ether (b) Ethyl methyl ether (c) Dimethyl ether (d) n-Propyl alcohol
Last Answer : Ethyl methyl ether
Description : Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching? (A) Isopropyl alcohol (B) Butyl alcohol (C) Toluene (D) Hexane
Last Answer : (B) Butyl alcohol
Description : Benzoyl chloride on basic-hydrolysis (NaOH/H2O) gives : (a) Benzoic acid (b) Methyl benzoate (c) Sodium benzoate (d) Ethyl benzoate
Last Answer : Sodium benzoate
Description : Which of the following statements are false about benzene? (a) It is a planar molecule with bond angles 120°. (b) It is immiscible with water forming the lower layer. (c) It can be ... Ni catalyst. (d) It reacts with ethyl chloride in the presence of aluminium chloride to form ethylbenzene.
Last Answer : It is immiscible with water forming the lower layer
Description : 1,2-Ethanediol reacts with anhydrous zinc chloride to form (a) Ethylene (b) Acetaldehyde (c) Acetylene (d) Ethyl chloride
Last Answer : Acetaldehyde
Description : 1,2-Dichloroethane reacts with excess of NaNH2 to form (a) Vinyl chloride (b) Ethylene (c) Ethyl chloride (d) Acetylene
Last Answer : Acetylene
Description : When dipentyl ether is treated with excess HI, through what type of mechanism(s) does the major product result? (a) SN2 (b) SN1 (c) E1 (d) E2
Last Answer : SN2
Description : The acid-catalyzed dehydration mechanism for alcohols is best described as a(n) : (a) E1 . (b) E2 . (c) SN1 (d) SN2
Last Answer : E1 .
Description : Which of the following factors influence whether a reaction will proceed by an SN1, SN2, E1, or E2 mechanism? (a) Structure of the alkyl halide (b) Solvent (c) Concentration of reagents (d) Nature of the nucleophile (e) All of these
Last Answer : All of these
Description : What is the major organic product of the reaction between benzene and isobutyl chloride in the presence of AlCl3? (a) tert-butylbenzene (b) isobutylbenzene (c) n-butylbenzene (d) chlorobenzene
Last Answer : tert-butylbenzene
Description : Which of the following describes the side chain for Valine? (a) ethyl group (b) hydrogen (c) isobutyl group (d) isopropyl group
Last Answer : isopropyl group
Description : During fermentation of sugar, the compound which is always formed is – (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene
Last Answer : (2) Ethyl Alcohol Explanation: Fermentation is the conversion of sugar into car-bon dioxide has (CO2) and ethyl alcohol. This process is carried out by yeast cells using a range of enzymes.
Description : During fermentation of sugar, the compound which is always formed is : (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene
Last Answer : Ethyl Alcohol
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 : Grignard reagent is chemically known as (A) Ethyl magnesium chloride (B) Methyl magnesium chloride (C) Dichlorophenol (D) Monochloroacetic acid
Last Answer : (A) Ethyl magnesium chloride
Description : Refrigerants commonly used for domestic refrigerators are (A) Ethyl chloride or methyl chloride (B) Freon-12 (C) Propane (D) NH3 or CO2
Last Answer : (A) Ethyl chloride or methyl chloride
Description : Isopropyl alcohol reacts with acidic sodium dichromate to give (a) Acetaldehyde (b) Acetic acid (c) Propionic acid (d) Acetone
Description : Isopropyl bromide reacts with alcoholic KOH to give (a) Propene (b) Isopropyl alcohol (c) Propane (d) n-Propyl alcohol
Last Answer : Propene
Description : Propene reacts with HBr in the presence of a peroxide to give (a) n-Propyl bromide (b) Allyl bromide (c) Isopropyl bromide (d) Vinyl bromide
Last Answer : n-Propyl bromide
Description : What is mechanism of sn1 explain?
Last Answer : What is the answer ?
Description : n-Butyl bromide reacts with NaSH to give (a) CH3CH2CH2SH (b) CH3SCH3 (c) CH3CH2CH2CH2SH (d) CH3CH2SCH2CH3
Last Answer : CH3CH2CH2CH2SH
Description : Ethyl cloride reacts with sodium ethoxide to form a compound (A)Which of the following reaction also yields (A) ?
Last Answer : Ethyl cloride reacts with sodium ethoxide to form a compound (A)Which of the following reaction also yields (A) ... C_(2)H_(2)dilH_(2)SO_(4)HgSO_(4)`
Description : IUPAC name of methyl isopropyl ether is
Last Answer : IUPAC name of methyl isopropyl ether is A. 2-methoxy propane B. 3- methoxy propane C. Ethoxy ethane D. Methoxy ethane
Description : Which of the herbicide (ai) requiring higher amount for a unit area to be sprayed a). Bispyribac-sodium b). Butachlor c). Cyhalofop-butyl d). Pyrazosulfuron-ethyl
Last Answer : b). Butachlor
Description : Which of the following has the highest boiling point? (a) diethyl ether (b) n-Butyraldehyde (c) n-propyl chloride (d) n-Butyl alcohol
Last Answer : n-Butyl alcohol