InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
(A)`overset(O_(3))underset(Zn//AcOH)to(B) +(C ) C_(7)H_(14)` Compound (A) exist in geometrical isomers and (B) Cannizaro reaction. (A) will :A. `CH_(3)-underset(CH_(3))underset(|)(CH)-overset(CH_(3))overset(|)C=CH-CH_(3)`B. `(CH_(3))_(3)C CH_(2)-CH=CH_(2)`C. `(CH_(3))_(3)C-CH=CH_(2)-CH_(3)`D. `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(2)-CH=CH_(2)` |
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Answer» Correct Answer - C `(CH_(3))_(3)C-underset((A))CH=CHoverset(O_(3))underset(Zn//AcOH)to(CH_(3))_(3)underset((B))C-CHO+underset((C))(CH_(3)CHO` |
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| 202. |
Which of the following reaction will aldehyde?A. B. C. D. |
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Answer» Correct Answer - B::C |
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| 203. |
In the given reaction : `Ph-underset(O)underset(||)C-CHY_(3)overset(H_(2)N-OH)rarr(X) underset(Delta)overset(PCI_(5))rarr(Y)` Y will beA. `Ph-underset(O)underset(||)C-NH-CH_(3)`B. `H_(3)C-overset(O)overset(||)C-NH-Ph`C. `Ph-CH_(2)-overset(O)overset(||)C-NH_(2)`D. `Ph-CH_(2)-CN` |
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Answer» Correct Answer - A::B |
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| 204. |
Fehling solution gives red precipatic with :A. armoatic aldehydeB. aliphatic ketonesC. KetoneD. `alpha`-hydrxy ketones |
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Answer» Correct Answer - B::D |
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| 205. |
Grignard reagents do not give carbonyl compounds withA. `CO_(2)`B. RCOClC. RCND. RCOOR |
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Answer» Correct Answer - 1 RMgX with `CO_(2)` gives carboxylic acid |
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| 206. |
Propyne on hydroboration-oxidation gives mainly:A. PropanolB. acetoneC. PropanalD. butanone |
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Answer» Correct Answer - 3 `CH_(3)-C-=C-H+H_(2)Ooverset(B_(2)H_(6))underset(H_(2)O_(2)//OH^(-))to CH_(3)-CH_(2)-CHO` |
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| 207. |
In which reaction product is hydrocarbon ?A. B. `CH_(3)COO Ag overset(Br_2//C Cl_(4))to`C. `Ph-COOH overset(NaOH)underset(CaO,Delta)to`D. `CH_(3)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)(C)-Cl overset(C_(2)H_(5)OH)to` |
| Answer» Correct Answer - A::C | |
| 208. |
Treatement of compound `Ph-O-overset(O)overset(||)(C)-Ph` with NaOH solution yieldsA. PhenolB. Sodium phenoxideC. Sodium benzoate and sodium formateD. Benzophenone |
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Answer» Correct Answer - 2 `Ph-O-overset(O)overset(||)C-Phoverset(NaOH)tooverset(Theta)(PhO)overset(oplus)(Na)+Ph-overset(O)overset(||)C-OH` |
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| 209. |
A organic compound A has molecular formula `C_(11)H_(14)O.A` on treatment with `H_(2)N-OH` yields two stereoisomer B and C having moleuclar formula `C_(11)H_(15)NO`. B and C on treatment with concentrated `H_(2)SO_(4)` yield D and E. D and E are respective isomer of B and C. D on alkaline hydrolysis produces optically active amine `F(C_(4)H_(11)N)` . E on alkaline hydrolysis produces aniline as one product. Compounds B and D are :A. Functional isomerB. EnantiomerC. Geometrical isomerD. Metamers |
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Answer» Correct Answer - A |
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| 210. |
A organic compound A has molecular formula `C_(11)H_(14)O.A` on treatment with `H_(2)N-OH` yields two stereoisomer B and C having moleuclar formula `C_(11)H_(15)NO`. B and C on treatment with concentrated `H_(2)SO_(4)` yield D and E. D and E are respective isomer of B and C. D on alkaline hydrolysis produces optically active amine `F(C_(4)H_(11)N)` . E on alkaline hydrolysis produces aniline as one product. Find out structure of organic compound A :A. B. C. `Ph-CH_(2)-overset(O)overset(||)C-CH_(2)-CH_(2)-CH_(3)`D. `Ph-overset(O)overset(||)C-underset(CH_(3))underset(|)CH-CH_(2)CH_(3)` |
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Answer» Correct Answer - D |
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| 211. |
Industrial production of acetaldehydes is done byA. Oxidation of ethanolB. redcution of acetic acidC. oxidation of ethyleneD. hydration of acetylene |
| Answer» Correct Answer - C | |
| 212. |
IUPAC name of `alpha`- hydroxybutyraldehydeA. 1- hydroxy butanalB. 2- hydroxy butanolC. 2- hydroxy butanalD. 2- hydroxy butyraldehyde |
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Answer» Correct Answer - 3 `CH_(3)-CH_(2)-overset(OH)overset(|)CH-CHO` 2- hydroxy butanal (IUPAC) |
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| 213. |
Starting from propanoic acid, the following reactions were carried out what is the compound ZA. `CH_(3)-CH_(2)-Br`B. `CH_(3)-CH_(2)-NH_(2)`C. D. `CH_(3)-CH_(2)-CH_(2)-NH_(2)` |
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Answer» Correct Answer - B `CH_(3)CH_(2)COOH overset(SOCl_(2))toCH_(3)CH_(2)COCl overset(NH_(3))toCH_(3)CH_(2)CONH_(2) overset(Br_(2)+KOH)to CH_(3)CH_(2)NH_(2)` |
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| 214. |
Which of the folllowing pairs are not correctly matched ?A. B. C. D. |
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Answer» Correct Answer - B::D |
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| 215. |
Which of the following compound will not show enolisation ?A. B. C. D. |
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Answer» Correct Answer - A::B::C::D |
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| 216. |
Synthesis of an ester involves the reaction of alcohols withA. a ketoneB. an amideC. `CH_(3)MgBr`D. `RCOCl` |
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Answer» Correct Answer - D `R-CH_(2)OH+ROCl to R-CH_(2)-O-CO-R` |
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| 217. |
Study following mecahnism of haloform reaction Whci of the following compound (s) give haloform reaction ?A. `Cl-underset(O)underset(||)(C)-CH_(3)`B. `CH_(3)-underset(O)underset(||)(C)-OE t`C. `CH_(3)-underset(O)underset(||)(C)-CH_(2)-CH_(2)-underset(O)underset(||)(C)-Ph`D. `CH_(3)-underset(O)underset(||)(C)-O-underset(O)underset(||)(C)-CH_(3)` |
| Answer» Correct Answer - C | |
| 218. |
Study following mecahnism of haloform reaction Which step products most acidic compoundA. aB. cC. dD. b |
| Answer» Correct Answer - B | |
| 219. |
Which of the given combination is correct ?A. (I)(i)(Q)B. (II)(ii)(P)C. (III)(iii)(S)D. (IV)(iv)(Q) |
| Answer» Correct Answer - D | |
| 220. |
Formic acid can be distinguish from acetic acid because formic acidA. release `H_(2)` with sodiumB. gives ester with alcoholC. reduces ammonical `AgNO_(3)`D. turns red litmus to blue |
| Answer» Correct Answer - C | |
| 221. |
An organic compound A,`C_(5)H_(8)O` reacts with `H_(2)O, NH_(3)` and `CH_(3)COOH` as described below A is A. `CH_(3)-CH-underset(CH_(3))underset(|)(C)-CHO`B. `CH_(2)-CH underset(CH_(3))underset(|)(C)H-CHO`C. `CH_(3)-CH_(2)-underset(CH_(3))underset(|)(C)=C=O`D. `CH_(3)-CH_(2)-underset(CH_(2))underset(||)(C)-underset(H)underset(|)(C)=O` |
| Answer» Correct Answer - C | |
| 222. |
The only CORRECT combination in which the reaction proceeds through radical mechanism isA. (IV)(i)(Q)B. (III)(ii)(P)C. (II)(iii)(R)D. (I)(ii)(R) |
| Answer» Correct Answer - D | |
| 223. |
The reaction of 50% aq KOH on an equimolar mixture of 4-methylbenzaldehyde and formaldehyde followed by acidification gives.A. B. C. D. |
| Answer» Correct Answer - B | |
| 224. |
An organic acid P `(C_(11)H_(12)O_(2))` can easily be oxidized to a dibasic acid which reacts with ethyleneglycol to produce a polymer dacron. Upon ozonolysis, P gives an aliphatic ketone as one of the products. P undergoes the following reaction sequences to furnish R via Q. The compound P also undergoes another set of reactions to produce S. The compound R isA. B. C. D. |
| Answer» Correct Answer - A | |
| 225. |
The most favourable product of the following reactions is ltbRgt A. IB. IIC. IIID. IV |
| Answer» Correct Answer - B | |
| 226. |
Acetic acid when heated `(300^(@)C)` with MnO givesA. formaldehydeB. acetaldehydeC. acetoneD. butanone |
| Answer» Correct Answer - C | |
| 227. |
Arrange the following compounds in decreasing orders of rate of hydration. `(X) C Cl_(3)CHO " " (Y) CH_(3)CHO " " (Z)CH_(3)COCH_(3) " " (W) CF_(3)CHO`A. WgtZgtXgtYB. WgtXgtYgtZC. WgtYgtZgtXD. WgtZgtYgtX |
| Answer» Correct Answer - B | |
| 228. |
Ester having `alpha`-hydrogen on treatement with a strong base eg. `C_(2)H_(5)Ona` undergoes self condensation to produce `beta`-keto esters. This is called claisen condensation `CH_(3)-underset(O)underset(||)(C)-CH_(2)-underset(O)underset(||)(C)-OEt overset((1)C_(2)H_(5)ONa)underset((2)CH_(3)-I)to overset((1)H_(2)O^(-))underset((2)Delta)to`A. `CH_(3)-underset(O)underset(||)(C)-CH_(2)-CH_(3)`B. `CH_(3)-underset(O)underset(||)(C)-CH_(2)-CH_(2)-CH_(3)`C. `CH_(3)-underset(O)underset(||)(C)-CH_(3)`D. `CH_(3)-underset(O)underset(||)(C)-CH_(2)-COOH` |
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Answer» Correct Answer - A `CH_(3)-underset(O)underset(||)(C)-CH_(2)-underset(O)underset(||)(C)-Oet overset(C_(2)H_(5)O^(o))toCH_(3)-underset(O)underset(||)(C)-overset(o)(C)H-underset(O)underset(||)(C)-Oet overset(CH_(3)I)to CH_(3)-underset(O)underset(||)(C)-overset(CH_(3))overset(|)(C)H-underset(O)underset(||)(C)-OEt overset(H_(2)O)underset(Delta)toCH_(3)-underset(O)underset(||)(C)-CH_(2)-CH_(3)` |
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| 229. |
Curved arrows are used in Organic Chemistry to show the moment of electrons in the mechanism of a reaction . The correct product of the following rection is B. C. D. |
| Answer» Correct Answer - C | |
| 230. |
The compound that would undergo hydration very easily isA. `CH_(3)COCH_(2)Cl`B. `CH_(3)CH_(2)CHO`C. `Cl_3C-CHO`D. `Cl_(3)C CH_(2)COCH_(3)` |
| Answer» Correct Answer - C | |
| 231. |
Ethylidene chloride on treatement with aq. KOH givesA. `CH_(3)CHO`B. `(CH_(2)OH)_(2)`C. HCHOD. `(CHO)_(2)` |
| Answer» Correct Answer - A | |
| 232. |
Cyclohexanone oxime is converted into `epsilon`-caprolactam by treatement withA. dil HClB. `NaOC_(2)H_(5)`C. AmmoniaD. conc. `H_(2)SO_(4)` |
| Answer» Correct Answer - D | |
| 233. |
Statement -I : Secondary alcohols can be easily oxidised to aldehydes. Statement -I:Aldehydes are prone to further oxidation to carboxylic acids.A. Both the statements are true and statement- II is the correct explanation of statement -I.B. Both statements are true but statement -II is not the correct explanation of statement -I.C. Statement-I is true but statement -II is falsaeD. Statement -I is false but statement- II is true |
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Answer» Correct Answer - 4 Primary alcohols carefully be oxidised to aldehydes.Otherwise they oxidise directly to carboxylic acids. |
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| 234. |
An organic compound `X` on treatement with acidified `K_(2)Cr_(2)O_(7)` gives a compound `Y` which reats with `I_(2)` and sodium carbonate to form tri-iodomethane. The compound `X` isA. `CH_(3)-CH_(2)-CH_(2)-OH`B. `CH_(3)-CH_(2)-O-CH_(3)`C. `CH_(3)-CH_(2)-CH=O`D. `CH_(3)CH(OH)CH_3` |
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Answer» Correct Answer - D `K_(2)Cr_(2)O_(7)` oxidised secondary alcohol which gives iodoform test. |
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| 235. |
`C_(3)H_(8)Ooverset(O)underset(K_(2)Cr_(2)"O"//H)rarrC_(3)H_(6)Ooverset(I_(2))underset(NaOH)rarrCHI_(3)` The starting compound isA. `CH_(3)CH_(2)CH_(2)OH`B. `CH_(3)underset(OH)underset(|) CH-CH_(3)`C. `CH_(3)-O-CH_(2)-CH_(3)`D. `CH_(3)CH_(2)CHO` |
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Answer» Correct Answer - 2 `CH_(3)-underset(OH)underset(|)CH-CH_(3)overset([O])underset(K_(2)Cr_(2)O_(7)+H_(2)SO_(4))to C_(3)H_(6)Ooverset(I_(2).alk)underset(warm)toCHI_(3)` |
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| 236. |
Find A in the following reaction `CH_(3)-CH=CH_(2)-CH_(2)-CNoverset(DIBAL-H)underset(H_(2)O)toA`A. `CH_(3)-CH=CHCH_(2)COOH`B. `CH_(3)-CH_(2)-CH_(2)CH_(2)CH_(2)CHO`C. `CH_(3)-CH=CHCH_(2)CH_(2)CHO`D. `CH_(3)-CH(OH)-CH_(2)CH_(2)CH_(2)CHO` |
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Answer» Correct Answer - 3 Double bond is not affected in stephens reduction. |
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| 237. |
`(CH_(3))_(2)C=CHCOCH_(3)` can be oxidised to `(CH_(3))_(2) C=CHCOOH` byA. chromic acidB. `NaOI`C. Cu at ` 300^(@)`D. `KMnO_(4)` |
| Answer» Correct Answer - 2 | |
| 238. |
Which of the following alcohols can be oxidised by `K_(2)Cr_(2)O_(7)`?A. `CH_(3)p-CH_(2)-OH`B. C. D. `H_(2)C=CH-CH_(2)-OH` |
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Answer» Correct Answer - A::C::D |
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| 239. |
In the given reaction `CH_(3)overset(OH)overset(1)CH-overset(OH)overset(1)C(CH_(3))_(2)overset(HIO_(4))toA+B` (A) and (B) respectively areA. `CH_(3)CHO,CH_(3)CHO`B. `CH_(3)COCH_(3),CH_(3)CHO`C. `CH_(3)COCH_(3),CH_(3)COCH_(3)`D. `CH_(3)COOH,CH_(3)COCH_(3)` |
| Answer» Correct Answer - 4 | |
| 240. |
Which compound will be oxidised by `HIO_(4)` ?A. `CH_(3)underset(OH)underset(|)CH-underset(O)underset(||)C-H`B. C. `CH_(3)-overset(OH)overset(|)CH-CH_(2)-CH_(3)`D. `underset(CH_(2)OH)underset(|)overset(CH_(2)OH)overset(|)C=O` |
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Answer» Correct Answer - A::B::D |
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| 241. |
`CH_(3)-overset(OH)overset(|)CH-CH_(2)-overset(O)overset(||)C-H overset(HO^(-))underset("Retr oaldol")to(A) ,3HCHO+Aoverset(Na_(2)Co_(3))underset(40^(@)C)to underset((82%))(B)`A. `HO-CH_(2)-underset(CH_(2)OH)underset(|)overset(CH_(2)OH)overset(|)(C)-CH_(2)OH`B. `HO-CH_(2)-underset(CH_(2)-OH)underset(|)overset(CHO)overset(|)(C)-CHO`C. `HO-CH_(2)-underset(CHO)underset(|)overset(CH_(2)OH)overset(|)C-CH_(2)OH`D. |
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Answer» Correct Answer - C `(A)CH_(3)CHO " " (B)HO-CH_(2)-underset(CH_(2)-OH)underset(|)overset(CH_(2)-OH)overset(|)C-CHO("By cross aldol")` |
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| 242. |
In the reaction sequence, [X] is which keton ? `[X]overset(KMnO_(4)//overset(Theta)OH//Delta)rarr HOOC-(CH_(2))_(3)-overset(CH_(3))overset(||)CH-COOH`A. B. C. D. |
| Answer» Correct Answer - B | |
| 243. |
In the given reaction : `CH_(3)-overset(OH)overset(|)CH-underset(CH_(3))underset(|)overset(OH)overset(|)O-CH_(3)overset(HIO_(4))rarr(A)+(B)` (A) and (B) respectively be:A. `CH_(3)CHO` and `CH_(3)CHO`B. `CH_(3)COCH_(3)` and `CH_(3)CHO`C. `CH_(3)COCH_(3)` and `CH_(3)COCH_(3)`D. `CH_(3)COOH` and `CH_(3)COCH_(3)` |
| Answer» Correct Answer - B | |
| 244. |
In the given reaction (X) and (Y) will respectively be : `X+Y underset(5^(@)C)overset(NaOH)rarr CH_(3)-overset(OH)overset(|)CH-underset(CH_(3))underset(|)CH-CHO`A. `CH_(3)-CH_(2)-CHO` and `CH_(3)-CH_(2)-CHO`B. `Ch_(3)-CHO` and `CH_(3)-CH_(2)-CHO`C. `CH_(3)-CHO` and `CH_(3)-CHO`D. `CH_(3)-CHO` and `CH_(3)underset(CH_(3))-underset(|)overset(CH_(3))overset(|)C-CHO` |
| Answer» Correct Answer - B | |
| 245. |
`CH_(3)-underset(Br)underset(|)CH-CH_(2)-overset(O)overset(||)C-CH_(3)underset(Delta)overset(N_(2)H_(4),overset(Ө)OH)rarr` product :A. B. C. D. |
| Answer» Correct Answer - C | |
| 246. |
`Y underset(H_(2)O_(2),""^(Ө)OH)overset(BD_(3),THF)rarr` product Find out structure of product :A. B. C. D. |
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Answer» Correct Answer - A |
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| 247. |
The major product obtainned in the reaction A. B. C. D. |
| Answer» Correct Answer - 1 | |
| 248. |
What would be the major product of following reaction ? A. B. C. D. No reaction |
| Answer» Correct Answer - C | |
| 249. |
Which of the following is major product of reaction ? A. B. C. D. |
| Answer» Correct Answer - B | |
| 250. |
Find the major product of given reaction : A. B. C. D. |
| Answer» Correct Answer - D | |