InterviewSolution
Saved Bookmarks
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.
| 551. |
Carbinol isA. `C_(2)H_(5)OH`B. `CH_(3)OH`C. `(CH_(3))_(2)CHOH`D. `CH_(3)CH_(2)CH(OH)CH_(3)` |
|
Answer» Correct Answer - B Carbinol is `CH_(3)OH` (Methanol). |
|
| 552. |
Methyl carbinol isA. ethanolB. propan-2-olC. propan-1-olD. methanol |
| Answer» Correct Answer - A | |
| 553. |
Find out major final product in followmg reaction. A. B. C. D. |
| Answer» Correct Answer - B | |
| 554. |
Cumene `underset((II)H_(2)O,H^(+))overset((i)O_(2))(rarr) (X)` and (Y) , (X) and (Y)respectively are `:`A. toluene, propeneB. toluene, propylchlorideC. phenol, acetoneD. phenol, acetaldehyde |
|
Answer» Correct Answer - C |
|
| 555. |
Which of the following is produced during the following reaction ? `CO(g)+H_(2)overset(575K)underset(ZnO,Cr_(2)O_(3))rarr` ……?A. HCHOB. `CH_(3)COOH`C. `HCOOH`D. `CH_(3)OH` |
|
Answer» Correct Answer - D |
|
| 556. |
Which of the following is IUPAC name of the compound formed from reduction of 2-butanone ?A. 1-butanolB. 2-butanolC. 1-butanalD. 2-butanal |
| Answer» Correct Answer - B | |
| 557. |
Oils are liquids at room temperature since they contain higher percentage of `:`A. oleatesB. palmitatesC. stearatesD. myristates |
| Answer» Correct Answer - A | |
| 558. |
Reaction of butanone with methyl magnesium bromide followed by hydrolysis gives `,`A. 2-methyl -2-butanolB. 2-butanolC. 3-methyl-2-butanolD. 2,2-dimethyl-1-butanol |
| Answer» Correct Answer - A | |
| 559. |
On heating glycerol with `KHSO_(4)//Delta`, a compound is obtained, which has a bad odour. The compound is:A. glyceric acidB. allyl alcoholC. acroleinD. glycerol hydrogen sulphate |
| Answer» Correct Answer - C | |
| 560. |
The boiling point of a compound is raised byA. volatility of compoundB. non-polarity in the moleculesC. intermolecular hydrogen bondingD. intramolecular hydrogen bonding |
|
Answer» Correct Answer - C We know that, the boiling point of a compound, evidently, is a consequence of strong intermolecular forces due to hydrogen bond. Therefore the boiling point of a compound is raised by intermolecular hydrogen bonding |
|
| 561. |
The alcohol, that is used as a beverage, isA. propanolB. butanolC. ethanolD. methanol |
|
Answer» Correct Answer - C We know that ethanol is used as a beverage. It is known as spirit of wine or grain alcohol. |
|
| 562. |
In the esterification reaction of alcoholsA. `OH^(-)` is replaced by `C_(2)H_(5)OH`B. `OH^(-)`is replaced by chlorineC. `H^(-)`is replaced by sodium metalD. `OH^(-)`is replaced by `CH_(3)COO` group |
|
Answer» Correct Answer - D `CH_(3)COOH+C_(2)H_(5)OHrarrunderset("Ethyl acetate")(CH_(3)COOC_(2)H_(5)+H_(2)O)` |
|
| 563. |
Which product is obtained from the following esterification reaction ? `C_(6)H_(5)CH_(2)overset(O)overset(||)COH+CH_(3)CH_(2)Qoverset(18)OH overset(H^(+))underset("Heat")rarr?`A. `C_(6)H_(5)CH_(2)overset(O)overset(||)COCH_(2)CH_(3)`B. `C_(6)H_(5)CH_(2)overset(O)overset(||)C-.^(18)OCH_(2)CH_(3)`C. `C_(6)H_(5)CH_(2)overset(O)overset(||)C-.^(18)OCH_(2)CH_(3)`D. `CH_(3)CH_(2)overset(.^(18)O)overset(||)COOCH_(2)C_(6)H_(5)` |
|
Answer» Correct Answer - B `.^(18)O` of alcohol is retained with ester. `underset("Carboxylic acid")(C_(6)H_(5)CH_(2)overset(O)overset(||)COH)+underset("Alcohol")(CH_(3)CH_(2)overset(18)OH)overset(H^(+))rarr underset("Ester")(C_(6)H_(5)CH_(2)CO)-overset(18)OCH_(2)CH_(3)` |
|
| 564. |
Which of the following is the proper method to prepare n-hexane from n-propyl alcohol ? `CH_(3)CH_(2)CH_(2) OH overset((X))(to) CH_(3) CH_(2) CH_2 Br overset((Y))(to) CH_(3)(CH_(2))_(4)CH_(3)`A. (X) -HBr , (Y) - HCNB. (X) - HBr, (Y) - Na , etherC. (X)- `Br_(2) , (Y)- CH_(3)CN`D. `(X) - Br_(2) , (Y) - KMnO_(4)` |
| Answer» Correct Answer - B | |
| 565. |
The group obtained by the removal of H-atom of the -OH group of ROH is calledA. alkyl groupB. alkeneC. alkoxy groupD. all of these |
| Answer» Correct Answer - C | |
| 566. |
Which of the following is most acidic?A. `RCH_2OH`B. `R_2CHOH`C. `R_2C(OH)_2`D. `CH_3OH` |
| Answer» Correct Answer - D | |
| 567. |
Which of the following compound will give ketone on oxidation ?A. `CH_3CH_2CH_2OH`B. `CH_3CH_2CH(OH)CH_3`C. `(CH_3)_3COH`D. `(CH_3)_2CH_2CH_2OH` |
| Answer» Correct Answer - B | |
| 568. |
Alcohols areA. neutralB. strongly acidicC. basicD. amphoteric |
| Answer» Correct Answer - A | |
| 569. |
Which one of the following on oxidation gives a ketone?A. Primary alcoholB. Secondary alcoholC. Tertiary alcoholD. All of these |
| Answer» Correct Answer - B | |
| 570. |
When wine is exposed to air it becomes sour due toA. oxidation of `C_2H_5-OH`B. reduction of `C_2H_5-OH`C. formation of `C_2H_5-COOH`D. dissolution of `CO_2` |
| Answer» Correct Answer - A | |
| 571. |
Aldehydes and ketone reacts with Grignards reagent givesA. mixture of `1^@`, `2^@`, `3^@` alcoholsB. `1^@` or `2^@` or `3^@` alcoholsC. `1^@` or `2^@` alcoholsD. `2^@` or `3^@` alcohols |
| Answer» Correct Answer - B | |
| 572. |
Product of the following reaction is A. 2-phenyl ethanolB. 1-phenyl ethanolC. phenyl methanolD. methyl phenyl ketone |
| Answer» Correct Answer - B | |
| 573. |
Carboxylic acid on reduction producesA. `1^@` alcoholsB. `2^@` alcoholsC. aldehydesD. ketones |
| Answer» Correct Answer - A | |
| 574. |
Product of following reaction is A. B. C. D. |
| Answer» Correct Answer - D | |
| 575. |
Minor product obtained when anisole on methylationA. B. C. D. |
| Answer» Correct Answer - C | |
| 576. |
Nitration of phenyl alkyl ether givesA. o-nitro alkyl phenyl etherB. p-nitro alkyl phenyl etherC. mixture of ortho and para nitro phenyl alkyl etherD. m-nitro alkyl phenyl ether |
| Answer» Correct Answer - C | |
| 577. |
Which of the following is more acidic in nature?A. B. C. D. |
| Answer» Correct Answer - C | |
| 578. |
Decreasing acidic nature of following compound is A. 1 gt 2 gt 3 gt 4B. 4 gt 3 gt 2 gt 1C. 4 gt 2 gt 3 gt 1D. 4 gt 1 gt 2 gt 3 |
| Answer» Correct Answer - B | |
| 579. |
Arrange the following as mentioned |
|
Answer» (a) `(i) lt (iv) lt (ii) lt (iii)` (b) `(i) lt (iv) lt (iii) lt (ii)` Para isomer is more susceptible to form inter - molecular `H -` bond with water and therefore more solube |
|
| 580. |
The product formed in the reaction is `:`A. benzoquinoneB. diphenyl etherC. benzene sulphuric acidD. hydroquinone |
| Answer» Correct Answer - D | |
| 581. |
Which is steam volatile ?A. o-nitrophenolB. m-nitrophenolC. p-nitropnenolD. picric acid |
| Answer» Correct Answer - A | |
| 582. |
Which of the following is/are steam volatile ? 1. p-nitrophenol 2. o-nitrophenol 3. a-hydroxy acetophenon 4. p-hydroxy acetophenoneA. 1, 4B. 2, 3C. 1, 3D. 3, 4 |
| Answer» Correct Answer - B | |
| 583. |
the most volatile compound isA. p-NitrophenolB. m-NitrophenolC. o-NitrophenolD. Phenol |
| Answer» Correct Answer - C | |
| 584. |
When 3-methylpentan-3-ol is heated with alumina. The main product formed is,A. 2-methylpent-1-eneB. 3-methylpent-2-eneC. 2-methylbut-2-eneD. 3-methylbut-2-ene |
| Answer» Correct Answer - B | |
| 585. |
Catalytic hydrogenation of methyl 2-methyl propanoate givesA. B. C. D. |
| Answer» Correct Answer - B | |
| 586. |
Ethyl formate on catalytic hydrogenation givesA. `CH_3-OH`B. `CH_3OH` and `C_2H_5OH`C. `C_2H_5-OH`D. H-CHO and `CH_3-OH` |
| Answer» Correct Answer - B | |
| 587. |
The correct order of decreasing basicity of the following species is: `H_(2)O, OH^(-), CH_(3)OH, CH_(3)O`A. `CH_(3)OH lt H_(2)O lt OH^(-) lt CH_(3)O^(-)`B. `OH^(-) gt CH_(3)O^(-) gt H_(2)O gt CH_(3)OH`C. `H_(2)O lt CH_(3)OH lt CH_(3)O^(-) lt OH^(-)`D. `OH^(-) gt CH_(3)O^(-) gt CH_(3)OH gt H_(2)O` |
|
Answer» Correct Answer - B |
|
| 588. |
A compound with molecular formula `C_(4)H_(10)O_(3)` is converted by the action of acetyl chloride to a compound with molecular weight 190. The original compound has `:`A. one-OH groupB. two-OH groupsC. three -OH groupsD. no-OH group |
| Answer» Correct Answer - B | |
| 589. |
In the following reaction, the product(s) formed is(are) A. P(major)B. Q (minor)C. R(minor)D. S(major) |
| Answer» Correct Answer - B,D | |
| 590. |
The ether having besty anaesthetic properties is `:`A. diethyl etherB. dimethyl etherC. vinyl etherD. allyl ether |
| Answer» Correct Answer - C | |
| 591. |
Which reducing agent is used for the following conversion ? `RCO OH to RCH_(2)OH`A. `LiAlH_(4)`B. `NaBH_(4)`C. `K_(2)Cr_(2)O_(7)`D. `KMnO_(4)` |
|
Answer» Correct Answer - A `RCOOHunderset((ii) H_2O)overset((i)LiAlH_4)rarrRCH_2OH` |
|
| 592. |
P is an alcohl which on heating with `Al_(2)O_(3)` forms an alkene Q.Q on ozonolysis produces R and S. When the mixture of R and S is heated with NaOH, a redox reaction takes place and a mixture of an acid salt and alcohol is formed. The compound (Q) is :A. `CH_(3)-overset(CH_(3))overset(|)(C)=CH-CH_(3)`B. `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH=CH-CH_(3)`C. `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH_(2)-CH=CH_(2)`D. `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH=CH_(2)` |
|
Answer» Correct Answer - D |
|
| 593. |
P is an alcohl which on heating with `Al_(2)O_(3)` forms an alkene Q.Q on ozonolysis produces R and S. When the mixture of R and S is heated with NaOH, a redox reaction takes place and a mixture of an acid salt and alcohol is formed. The alcohol (P) is obtained by :A. `H_(3)C-underset(O)underset(||)(C)-CH_(2)-CH_(3)+CH_(3)MgBr`B. `CH_(3)-overset(CH_(3))overset(|)(C)-H-CH_(2)-CH=O+CH_(3)MgBr`C. `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(CH)-CH_(2)MgBr+CH_(3)=O`D. `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(CH)-CH_(2)-COCl+CH_(3)MgCl` |
|
Answer» Correct Answer - C |
|
| 594. |
During preparation of phenol from cumene, side product obtained isA. acetoneB. alcoholC. aldehydeD. acid |
| Answer» Correct Answer - A | |
| 595. |
When benzene sulphonic acid and P-nitrophenol are treated with `NaHCO_3`, the gases released, respectively, are :A. `N_(2),CO_(2)`B. `CO_(2),SO_(2)`C. `N_(2),SO_(2)`D. `CO_(2),CO_(2)` |
|
Answer» Correct Answer - D `underset((I))(PhSO_(3)H)+NaHCO_(3)erarrPhSO_(3)Na+H_(2)O+CO_(2)` Since both (I) and (II) are stronger acids than `H_(2)CO_(3)`, they are capable of evolving `CO_(2)` with `NaHCO_(3)`. `underset((II))(p-NO_(2))-C_(6)H_(4)-OH+NaHCO_(3)rarr p-NO_(2)-C_(6)H_(4)ONa +H_(2)O +CO_(2)` `HCO_(3)^(-) +H^(+)rarr H_(2)O +CO_(2)uarr` |
|
| 596. |
Find out A in the following reaction The compound A isA. o-bromophenolB. 2,4,6 -tribromophenolC. p-bromophenolD. m-bromophenol |
| Answer» Correct Answer - B | |
| 597. |
Benzene sulphonic acid is reacted with NaOH givesA. sodmm phenoxideB. cumeneC. cumene hydroperoxideD. sodium benzene sulphonate |
| Answer» Correct Answer - D | |
| 598. |
Phenol isA. neutralB. amphotericC. basicD. acidic |
| Answer» Correct Answer - D | |
| 599. |
Product obtained when steam is passed over chlorobenzeneA. sodium phenoxideB. sodium benzene sulphonateC. carbolic acidD. benzene diazonium salt |
| Answer» Correct Answer - C | |
| 600. |
Find out A and B in the following reaction respectively `Ph-Cl oversetAto Ph-O Na overset(B)to Ph-OH`A. NaOH and HClB. `H_2O` and HClC. HCl and NaOHD. HCI and `H_2O` |
| Answer» Correct Answer - A | |