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MCQOPTIONS
This section includes 11242 Mcqs, each offering curated multiple-choice questions to sharpen your Joint Entrance Exam - Main (JEE Main) knowledge and support exam preparation. Choose a topic below to get started.
| 5601. |
The catalyst used in the manufacture of polyethene by Ziegler method is [KCET 1993, 99] |
| A. | Titanium tetrachloride and triphenyl aluminium |
| B. | Titanium tetrachloride and trimethyl aluminium |
| C. | Titanium dioxide |
| D. | Titanium isopropoxide |
| Answer» C. Titanium dioxide | |
| 5602. |
In the natural rubber ?Caoutchouc?, the isoprene units are joined by |
| A. | Head-to-head |
| B. | Tail-to-tail |
| C. | Head-to-tail |
| D. | All of these |
| Answer» D. All of these | |
| 5603. |
Terylene is [BHU 2000] |
| A. | An addition polymer with a benzene ring in every repeating unit |
| B. | A condensation polymer with a benzene ring in every repeating unit |
| C. | An addition polymer with two carbon atoms in every repeating unit |
| D. | A condensation polymer with two nitrogen atoms in every repeating unit |
| Answer» C. An addition polymer with two carbon atoms in every repeating unit | |
| 5604. |
Vinyl chloride can be converted into PVC. In this reaction, the catalyst used is |
| A. | Peroxides |
| B. | Cuprous chloride |
| C. | Anhydrous zinc chloride |
| D. | Anhydrous \[AlC{{l}_{3}}\] |
| Answer» B. Cuprous chloride | |
| 5605. |
The monomers used in the production of nylon-66 are [CBSE 1999; RPET 2000; KCET 2000; Kurukshetra CEE 2002] |
| A. | Hexamethylene diamine and ethylene glycol |
| B. | Adipic acid and ethylene glycol |
| C. | Adipic acid and hexamethylene diamine |
| D. | Dimethyl terephthalate and ethylene glycol |
| Answer» D. Dimethyl terephthalate and ethylene glycol | |
| 5606. |
Nylon is formed when a dicarboxylic acid is treated with a |
| A. | Dihydric alcohol |
| B. | Polyhydric alcohol |
| C. | Diamine |
| D. | Diester |
| Answer» D. Diester | |
| 5607. |
A raw material used in making nylon is [NCERT 1980; MP PET 2004] |
| A. | Adipic acid |
| B. | Butadiene |
| C. | Ethylene |
| D. | Methyl methacrylate |
| Answer» B. Butadiene | |
| 5608. |
PVC is obtained by polymerization of |
| A. | \[C{{H}_{2}}=CH-C{{H}_{2}}-Cl\] |
| B. | \[C{{H}_{2}}=CH-Cl\] |
| C. | \[C{{H}_{3}}-Cl\] |
| D. | \[C{{H}_{3}}-CHC{{l}_{2}}\] |
| Answer» C. \[C{{H}_{3}}-Cl\] | |
| 5609. |
The phenol-formaldehyde resins are formed by polymerisation of phenol and formaldehyde by |
| A. | Addition polymerisation |
| B. | Condensation polymerisation |
| C. | Both A and B |
| D. | None of these |
| Answer» D. None of these | |
| 5610. |
Polypropylene can be obtained by polymerisation of |
| A. | \[CH\equiv CH\] |
| B. | \[C{{H}_{2}}=C{{H}_{2}}\] |
| C. | \[C{{H}_{3}}-CH=C{{H}_{2}}\] |
| D. | \[C{{H}_{3}}-C\equiv CH\] |
| Answer» D. \[C{{H}_{3}}-C\equiv CH\] | |
| 5611. |
When heated with zinc chloride, lactides forms a linear polymer which may be |
| A. | Polystyrene |
| B. | Polyamide |
| C. | Polyester |
| D. | Polythene |
| Answer» B. Polyamide | |
| 5612. |
Which of the following can be polymerised to polythene |
| A. | Ethylene |
| B. | Ethylene chlorohydrin |
| C. | Ethyl acetate |
| D. | Ethylmethyl ketone |
| Answer» B. Ethylene chlorohydrin | |
| 5613. |
Complete hydrolysis of cellulose gives [AIEEE 2003] |
| A. | D-fructose |
| B. | D-ribose |
| C. | D-glucose |
| D. | L-glucose |
| Answer» D. L-glucose | |
| 5614. |
The product of addition polymerisation reaction is [KCET 1993] |
| A. | PVC |
| B. | Nylon |
| C. | Terylene |
| D. | Polyamide |
| Answer» B. Nylon | |
| 5615. |
The alkyd resins are condensation polymers obtained from dibasic acids and |
| A. | Phenol |
| B. | Glycol |
| C. | Glycerol |
| D. | Formaldehyde |
| Answer» C. Glycerol | |
| 5616. |
The plastics if are hard, become soft and readily workable by addition of certain compounds called |
| A. | Catalysts |
| B. | Telomers |
| C. | Plasticisers |
| D. | Vulcaniser |
| Answer» D. Vulcaniser | |
| 5617. |
Which of the following is the formula of tartaremetic [Manipal MEE 1995] |
| A. | \[\underset{\underset{CH(OH)COOK}{\mathop{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{CH(OH)COOH}}\,\] |
| B. | \[\underset{CH(OH)COO(SbO)}{\mathop{\underset{|}{\mathop{\,\,C}}\,H(OH)COONa\,\,\,\,}}\,\] |
| C. | \[\underset{\underset{CH(OH)COOK}{\mathop{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{CH(OH)COOK}}\,\] |
| D. | \[\underset{\underset{CH(OH)COONa}{\mathop{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{CH(OH)COOK}}\,\] |
| Answer» D. \[\underset{\underset{CH(OH)COONa}{\mathop{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{CH(OH)COOK}}\,\] | |
| 5618. |
\[{{(RCO)}_{2}}NH\] is |
| A. | Primary amine |
| B. | Secondary amine |
| C. | Secondary amide |
| D. | Tertiary amide |
| Answer» D. Tertiary amide | |
| 5619. |
Fats and oils are mixture of [CPMT 1993] |
| A. | Glycerides and saturated fatty acids |
| B. | Glycerides and unsaturated fatty acids |
| C. | Glycerides of saturated and unsaturated fatty acids |
| D. | Only saturated and unsaturated fatty acids |
| Answer» D. Only saturated and unsaturated fatty acids | |
| 5620. |
The name of the compound having the structure \[ClC{{H}_{2}}C{{H}_{2}}COOH\] is [MP PET 1993] |
| A. | 3-chloropropanoic acid |
| B. | 2-chloropropanoic acid |
| C. | 2-chloroethanoic acid |
| D. | Chlorosuccinic acid |
| Answer» B. 2-chloropropanoic acid | |
| 5621. |
Which one among the following represents an amide [MP PMT 1993] |
| A. | |
| B. | |
| C. | |
| D. | |
| Answer» E. | |
| 5622. |
Which is most reactive of the following [J & K 2005] |
| A. | Ethyl acetate |
| B. | Acetic anhydride |
| C. | Acetamide |
| D. | Acetyl chloride |
| Answer» E. | |
| 5623. |
The most acidic of the following is [J & K 2005] |
| A. | \[ClC{{H}_{2}}COOH\] |
| B. | \[{{C}_{6}}{{H}_{5}}COOH\] |
| C. | \[C{{D}_{3}}COOH\] |
| D. | \[C{{H}_{3}}C{{H}_{2}}COOH\] |
| Answer» B. \[{{C}_{6}}{{H}_{5}}COOH\] | |
| 5624. |
Carbolic acid is [AFMC 2005] |
| A. | \[{{C}_{6}}{{H}_{5}}CHO\] |
| B. | \[{{C}_{6}}{{H}_{6}}\] |
| C. | \[{{C}_{6}}{{H}_{5}}COOH\] |
| D. | \[{{C}_{6}}{{H}_{5}}OH\] |
| Answer» C. \[{{C}_{6}}{{H}_{5}}COOH\] | |
| 5625. |
Vinegar obtained from sugarcane has [AFMC 2005] |
| A. | \[C{{H}_{3}}COOH\] |
| B. | HCOOH |
| C. | \[{{C}_{6}}{{H}_{5}}COOH\] |
| D. | \[C{{H}_{3}}C{{H}_{2}}COOH\] |
| Answer» B. HCOOH | |
| 5626. |
Which of these do not contain \[-COOH\] group [CPMT 1997] |
| A. | Aspirin |
| B. | Benzoic acid |
| C. | Picric acid |
| D. | Salicylic acid |
| Answer» D. Salicylic acid | |
| 5627. |
Which one is called ethanoic acid [CPMT 1997] |
| A. | HCOOH |
| B. | \[C{{H}_{3}}COOH\] |
| C. | \[C{{H}_{3}}C{{H}_{2}}COOH\] |
| D. | \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}COOH\] |
| Answer» C. \[C{{H}_{3}}C{{H}_{2}}COOH\] | |
| 5628. |
Oleic, stearic and palmitic acids are [CPMT 1997] |
| A. | Nucleic acids |
| B. | Amino acids |
| C. | Fatty acids |
| D. | None of these |
| Answer» D. None of these | |
| 5629. |
Formamide is |
| A. | \[HCON{{H}_{2}}\] |
| B. | \[C{{H}_{3}}CON{{H}_{2}}\] |
| C. | \[HCOON{{H}_{4}}\] |
| D. | \[(HCHO+N{{H}_{3}})\] |
| Answer» B. \[C{{H}_{3}}CON{{H}_{2}}\] | |
| 5630. |
Palmitic acid is [BHU 1997] |
| A. | \[{{C}_{16}}{{H}_{31}}COOH\] |
| B. | \[{{C}_{17}}{{H}_{35}}COOH\] |
| C. | \[{{C}_{15}}{{H}_{31}}COOH\] |
| D. | \[{{C}_{17}}{{H}_{31}}COOH\] |
| Answer» D. \[{{C}_{17}}{{H}_{31}}COOH\] | |
| 5631. |
Sodium or potassium salts of higher fatty acids are called [MP PET 2003] |
| A. | Soaps |
| B. | Terpenes |
| C. | Sugars |
| D. | Alkaloids |
| Answer» B. Terpenes | |
| 5632. |
The ester among the following is [Kerala PMT 2003] |
| A. | Calcium lactate |
| B. | Ammonium acetate |
| C. | Sodium acetate |
| D. | None of these |
| Answer» E. | |
| 5633. |
Which of the following acids is isomeric with phthalic acid |
| A. | Succinic acid |
| B. | Salicylic acid |
| C. | 1, 4-benzene dicarboxylic acid |
| D. | Methyl benzoic |
| Answer» D. Methyl benzoic | |
| 5634. |
Urea |
| A. | Is an amide of carbonic acid |
| B. | It is diamide of carbonic acid |
| C. | Gives carbonic acid on hydrolysis |
| D. | Resembles carbonic acid |
| Answer» C. Gives carbonic acid on hydrolysis | |
| 5635. |
\[H-\overset{\overset{O}{\mathop{||}}\,}{\mathop{C}}\,-Cl\] is called |
| A. | Acetyl chloride |
| B. | Formyl chloride |
| C. | Chloretone |
| D. | Oxochloromethane |
| Answer» C. Chloretone | |
| 5636. |
The general formulas \[{{C}_{n}}{{H}_{2n}}{{O}_{2}}\] could be for open chain [AIEEE 2003] |
| A. | Diketones |
| B. | Carboxylic acids |
| C. | Diols |
| D. | Dialdehydes |
| Answer» C. Diols | |
| 5637. |
Fats and oils are [CPMT 1990] |
| A. | Acids |
| B. | Alcohols |
| C. | Esters |
| D. | Hydrocarbons |
| Answer» D. Hydrocarbons | |
| 5638. |
Urea is [CPMT 1984] |
| A. | Monoacidic base |
| B. | Diacidic base |
| C. | Neutral |
| D. | Amphoteric |
| Answer» B. Diacidic base | |
| 5639. |
Number of oxygen atoms in a acetamide molecule is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 5640. |
Which of the following is optically active [BHU 1997] |
| A. | Ethylene glycol |
| B. | Oxalic acid |
| C. | Glycerol |
| D. | Tartaric acid |
| Answer» E. | |
| 5641. |
Vinegar obtained from canesugar contains [CPMT 1980; DPMT 1982; KCET 1992; MP PMT 1994; AIIMS 1999] |
| A. | Citric acid |
| B. | Lactic acid |
| C. | Acetic acid |
| D. | Palmitic acid |
| Answer» D. Palmitic acid | |
| 5642. |
Which of the following is not a fatty acid [CPMT 1988] |
| A. | Stearic acid |
| B. | Palmitic acid |
| C. | Oleic acid |
| D. | Phenyl acetic acid |
| Answer» E. | |
| 5643. |
Wax are long chain compounds belonging to the class [CPMT 1982, 93] |
| A. | Acids |
| B. | Alcohols |
| C. | Esters |
| D. | Ethers |
| Answer» D. Ethers | |
| 5644. |
Amphiphilic molecules are normally associated with [Orissa JEE 1997] |
| A. | Isoprene based polymers |
| B. | Soaps and detergents |
| C. | Nitrogen based fertilizers e.g. urea |
| D. | Pain relieving medicines such as aspirin |
| Answer» C. Nitrogen based fertilizers e.g. urea | |
| 5645. |
A tribasic acid is |
| A. | Oxalic acid |
| B. | Tartaric acid |
| C. | Lactic acid |
| D. | Citric acid |
| Answer» E. | |
| 5646. |
Acetoacetic ester behaves as [CPMT 1988] |
| A. | An unsaturated hydroxy compound |
| B. | A keto compound |
| C. | Both of these ways |
| D. | None of these |
| Answer» D. None of these | |
| 5647. |
The general formula \[{{(RCO)}_{2}}O\] represents [CPMT 1974; DPMT 1982; MP PMT 1996] |
| A. | An ester |
| B. | A ketone |
| C. | An ether |
| D. | An acid anhydride |
| Answer» E. | |
| 5648. |
Which of the following structure of carboxylic acid accounts for the acidic nature [JIPMER 1997] |
| A. | |
| B. | |
| C. | |
| D. | None of these |
| Answer» B. | |
| 5649. |
Which compound is known as oil of winter green [MP PET/PMT 1998; CPMT 2002] |
| A. | Phenyl benzoate |
| B. | Phenyl salicylate |
| C. | Phenyl acetate |
| D. | Methyl salicylate |
| Answer» E. | |
| 5650. |
Identify the wrong statement from the following [Tamil Nadu CET 2002] |
| A. | Salicylic acid's a monobasic acid |
| B. | Methyl salicylate is an ester |
| C. | Salicylic acid gives violet colour with neutral ferric chloride as well as brisk effervescence with sodium bicarbonate |
| D. | Methyl salicylate does not occur in natural oils |
| Answer» E. | |