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 : 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 of Leucine? (a) ethyl group (b) isopropyl group (c) sec-butyl group (d) isobutyl group
Last Answer : isobutyl group
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 : Which compound reacts most rapidly by an SN1 mechanism? (a) Methyl chloride (b) Isopropyl chloride (c) Ethyl chloride (d) tert-Butyl chloride
Last Answer : tert-Butyl chloride
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 : 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 : 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 : 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
Description : Both geometrical and optical isomerism are shown by
Last Answer : Both geometrical and optical isomerism are shown by A. `[Co(en)_(2)Cl_(2)]^(+)` B. `[Co(NH_(3))_(5)Cl]^(2+)` ... )Cl_(2)]^(+)` D. `[Cr(OX)_(3)]^(3-)`
Description : Which of the following is sec-butyl alcohol? (a) CH3CH2CH2CH2OH (b) CH3CH(OH)CH2CH3 (c) (CH3)2CHCH2OH (d) (CH3)2CHOH
Last Answer : CH3CH(OH)CH2CH3
Description : Which of the following isomeric compounds show optical isomerism : (a) 1-Aminopentane (b) 2-Aminopentane (c) 3-Aminopentane (d) 2,2-Dimethylpropylamine
Last Answer : 2-Aminopentane
Description : Geometrical isomerism is shown by (a) Lactic acid (b) Maleic acid (c) 1-Butene (d) 1,1-Dichloroethylene
Last Answer : Maleic acid
Description : Tertiary butyl chloride preferably undergo hydrolysis by:
Last Answer : Tertiary butyl chloride preferably undergo hydrolysis by: A. `S_(N^(1))` mechanism B. `S_(N^(2))` mechanism C. and of (a) and (b) D. none of these
Description : Which of the following compounds can show Optical isomerism as well as geometrical isomerism?
Last Answer : Which of the following compounds can show Optical isomerism as well as geometrical isomerism? A. B. C. D.
Description : Which of the following complexes shows optical isomerism ? (en=ethylenediamine )
Last Answer : Which of the following complexes shows optical isomerism ? (en=ethylenediamine ) A. `cis[Co(en)_(2)Cl_(2)]Cl` B. ` ... Cl` D. `[Co(NH_(3))_(3)Cl_(3)]`
Description : Which of the following complex species is not expected to exhibit optical isomerism ?
Last Answer : Which of the following complex species is not expected to exhibit optical isomerism ? A. `[Co(en)_(3)]^(3+)` B. ` ... `[Co(en)(NH_(3))_(2)Cl_(2)]^(+)`
Description : Which of the following will show optical isomerism? .
Last Answer : Which of the following will show optical isomerism? . A. `[Cu(NH_(3))_(4)]^(2+)` B. `[ZnCl_(4)]^(2-)` C. `[Cr( ... )_(3)]^(3-)` D. `[Co(CN)_(6)]^(3-)`
Description : α-D-glucose + 1120→ + 52.50 ← + 190 βD-glucose for glucose above represents (A) Optical isomerism (B) Mutarotation (C) Epimerisation (D) D and L isomerism
Last Answer : B
Description : n-Butyl bromide reacts with NaSH to give (a) CH3CH2CH2SH (b) CH3SCH3 (c) CH3CH2CH2CH2SH (d) CH3CH2SCH2CH3
Last Answer : CH3CH2CH2CH2SH
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 : What type of an alkyl group is an isobutyl group? (a) primary (b) secondary (c) tertiary (d) none of these
Last Answer : none of these
Description : Why tert. Amines donot undergo acylation reaction ?
Last Answer : Ans.-- Tert. Amines donot undergo acylation reaction because they donot have Nattached to H- atom.
Description : Which kind of isomerism is shown by the complex `[Co(NH_(3))_(5)(ONO)]SO_(4)` ? 1. Ionisation isomerism 2.Linkage isomerism 3. Geometrical isomerism 4
Last Answer : Which kind of isomerism is shown by the complex `[Co(NH_(3))_(5)(ONO)]SO_(4)` ? 1. Ionisation ... are correct only D. Q, R and S are correct only
Description : Which kind of isomerism is shown by `Co (NH_(3))_(4) Br_(2) Cl` ?
Last Answer : Which kind of isomerism is shown by `Co (NH_(3))_(4) Br_(2) Cl` ? A. ... Optical and ionization C. Gometrical and optical D. Geometrical only
Description : Which of the following isomerism is/are shown by the complex `[CoCl_(2)(H_(2)O)_(2)(NH_(3))_(2)]` Br ?
Last Answer : Which of the following isomerism is/are shown by the complex `[CoCl_(2)(H_(2)O)_(2)(NH_(3)) ... ? A. Ionization B. Linkage C. Geometrical D. optical
Description : Geometrical isomerism can be shown by
Last Answer : Geometrical isomerism can be shown by A. `[Ag(NH_(3))(CN)]` B. `Na_(2)[Cd(NO_(2))_(4)]` C. `[PtCl_(4)I_(2)]` D. `[Pt(NH_(3))_(3)Cl][Au(CN)_(4)]`
Description : An alcohol (A) on heating with concentrated `H_(2)SO_(4)` gives alkene (B) as major product and (B) can shown the geometrical isomerism . The compound
Last Answer : An alcohol (A) on heating with concentrated `H_(2)SO_(4)` gives alkene (B) as major product and (B) can ... 2) CH (OH) CH_(3)` D. All of the above
Description : Which type of isomerism is shown by diethyl ether and methyl propyl ether?
Last Answer : Metamerism
Description : 1. Which what is nucessary for digestion of food ? 2. Why are the Fundamental Freedoms under Article 19 suspended during emergency? 3. Which type of isomerism is shown by diethyl ether and methyl ... largest number of sugar mills? 20. Where is the Shrine of Hazarat Nizamuddin Auliya is situated?
Last Answer : Answer : 1. Enzyme 2. War or external aggression 3. Metamerism 4. Narmada 5. Assaka 6. George Orwell 7. Debtors 8. Potassium 9. Myanmar 10. Nanda 11. Limited government 12. Conservation of ... Fourth 15. Khari Boli 16. Muttiah Muralitharan 17. Omnivore 18. President 19. Uttar Pradesh 20. Delhi
Description : Buna-N is also called (A) Butyl rubber (B) Nitrile rubber (C) Neoprene (D) Thiokol
Last Answer : (B) Nitrile rubber
Description : Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of (A) Cold SBR (B) Butyl rubber (C) Bunai N (D) Buna S
Last Answer : (B) Butyl rubber
Description : The structure of isobutyl group in an organic compound is
Last Answer : The structure of isobutyl group in an organic compound is A. `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3)) ... . `CH_(3)CH_(2)CH_(2)CH_(2^(-))`
Description : A minimum boiling azeotrope is exemplified by (A) Toluene-benzene (B) Acetone-carbon disulphide (C) Water-isobutyl alcohol (D) None of these
Last Answer : (B) Acetone-carbon disulphide
Description : When acetone is added in a two layer mixture of methyl isobutyl ketone and water at 30°C, the acetone distributes between the two layers and the composition of the layer follows two solubility curves. For this system ... at the concentration of the plait point (D) All (A), (B) and (C
Last Answer : (D) All (A), (B) and (C
Description : How many n-octene can show geometrical isomerism?
Last Answer : How many n-octene can show geometrical isomerism?
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 : What is the main product obtained when vapours of t-butyl alcohol are passed over copper at 300° ?
Last Answer : Ans. Isobutylene (2-Methyl propene)
Description : Which of the following esters produces butyric acid and phenol on hydrolysis? (a) Phenyl butyrate (b) Butyl benzoate (c) Benzyl propionate (d) Phenyl propionate
Last Answer : Phenyl butyrate
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 : Giving a suitable example for each, explain the following : (i) Crystal field splitting (ii) Linkage isomerism (iii) Ambidentate ligand -Chemistry
Last Answer : i) Crystal field splitting: It is the splitting of the degenerate energy levels due to the presence of ligands. When ligand approaches a transition metal ion, the degenerate d-orbitals split into two ... the nitrogen atom or one of the oxygen atoms. Example : - SCN thiocyanate, - NCS isothiocyanate
Description : Write the IUPAC name of the complex [Cr(NH3)4Cl2]+. What type of isomerism does it exhibit? -Chemistry
Last Answer : IUPAC name : Tetraamine dichlorido chromium (III) ion. It exhibits geometrical isomerism.
Description : Give an example of ionization isomerism. -Chemistry
Last Answer : Example : [Pt (NH3)5 (Br)3] SO4 and [Co (NH3)5 (SO4)] Br
Description : Give an example of coordination isomerism. -Chemistry
Last Answer : Example : [Co(NH3)6] [Cr(CN)6] and [Cr(NH3)6] [CO(CN)6]
Description : Give an example of linkage isomerism. -Chemistry
Last Answer : Linkage isomerism : When more than one atom in an ambidentate ligand is linked with central metal ion to form two types of complexes, then the formed isomers are called linkage isomers and the ... + Pentaaquathiocyanate chromium (III) ion [Cr(H2O)5(NCS)]2+ Pentaaquaisothiocyanate chromium (III) ion