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Chemistry in Everyday Life

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Chemicals in Medicines

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Chemicals in Food

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Chapter Elite-20 Challenge Zone

Target Advanced

JEE Advanced 2023

LEVELJEE Advanced

In the given reaction scheme, $P$ is a phenyl alkyl ether, $Q$ is an aromatic compound; $R$ and $S$ are the major products. $P HI Q (i) NaOH, (ii) CO_{2} (iii) H_{3} O^{+} R (i) (CH_{3} CO)_{2} O (ii) H_{3} O^{+} S$ The correct statement about $S$ is

(A)

It primarily inhibits noradrenaline degrading enzymes.

(B)

It inhibits the synthesis of prostaglandin.

(C)

It is a narcotic drug.

(D)

It is ortho-acetylbenzoic acid.

JEE Main 2020

LEVELJEE Advanced

A chemist has 4 samples of artificial sweetener A, B, C and D. To identify these samples, he performed certain experiments and noted the following observations : (i) A and D both form blue-violet colour with ninhydrin. (ii) Lassaigne extract of C gives positive $AgNO_{3}$ test and negative $Fe_{4} [Fe (CN)_{6}]_{3}$ test. (iii) Lassaigne extract of B and D gives positive sodium nitroprusside test. Based on these observations which option is correct?

(A)

A : Alitame; B : Saccharin ; C : Aspartame; D : Sucralose

(B)

A : Saccharin; B : Alitame; C : Sucralose; D : Aspartame

(C)

A : Aspartame; B : Alitame; C : Saccharin; D : Sucralose

(D)

A : Aspartame; B : Saccharin; C : Sucralose; D : Alitame

JEE Main 2020

LEVELJEE Advanced

The antifertility drug "Novestrol" can react with

(A)

ZnCl_{2} / HCl; FeCl_{3}; alcoholic HCN

(B)

Br_{2} / water; ZnCl_{2} / HCl; FeCl_{3}

(C)

alcoholic HCN; NaOCl; ZnCl_{2} / HCl

(D)

Br_{2} / water; ZnCl_{2} / HCl; NaOCl

JEE Main 2020

LEVELJEE Main

The number of chiral centres in penicillin is ......... .

JEE Main 2021

LEVELJEE Main

Consider the following structures : The correct statement about (A), (B), (C) and (D) is

(A)

(A), (B) and (C) are narcotic analgesics

(B)

(B), (C) and (D) are tranquillizers

(C)

(A) and (D) are tranquillizers

(D)

(B) and (C) are tranquillizers

JEE Main 2020

LEVELJEE Main

The following molecule acts as an

Match the following drugs with their therapeutic actions : $(i) Ranitidine (ii) Nardil (Phenelzine) (iii) Chloramphenicol (iv) Dimetane (Brompheniramine) (a) Antidepressant (b) Antibiotic (c) Antihistamine (d) Antacid (e) Analgesic$

(A)

(i)-(a); (ii)-(c); (iii)-(b); (iv)-(e)

(B)

(i)-(e); (ii)-(a); (iii)-(c); (iv)-(d)

(C)

(i)-(d); (ii)-(a); (iii)-(b); (iv)-(c)

(D)

(i)-(d); (ii)-(c); (iii)-(a); (iv)-(e)

JEE Main 2019

LEVELJEE Main

The correct match between item (I) and item (II) is $Item - I (A) Norethindrone (B) Ofloxacin (C) Equanil Item - II (P) Antibiotic (Q) Antifertility (R) Hypertension (S) Analgesics$

(A)

\to

(Q); (B) $ ightarrow

(R); (C)

ightarrow$ (S)

(B)

(A)

\to

(Q); (B) $ ightarrow

(P); (C)

ightarrow$ (R)

(C)

(A)

\to

(R); (B) $ ightarrow

(P); (C)

ightarrow$ (S)

(D)

(A)

\to

(R); (B) $ ightarrow

(P); (C)

ightarrow$ (R)

JEE Main 2021

LEVELJEE Main

Match List-I with List-II. $List-I (Drug) A. Furacin B. Arsphenamine C. Dimetone D. Valium List-II (Class of drug) I. Antibiotic II. Tranquilisers III. Antiseptic IV. Synthetic antihistamines$ Choose the most appropriate match :

(A)

\to

I, B

\to

III, C

\to

IV, D

\to

(B)

\to

III, B

\to

IV, C

\to

II, D

\to

(C)

\to

II, B

\to

I, C

\to

III, D

\to

(D)

\to

III, B

\to

I, C

\to

IV, D

\to

JEE Main 2021

LEVELJEE Main

With respect to drug-enzyme interaction, identify the wrong statement

(A)

Non-competitive inhibitor binds to the allosteric site.

(B)

Allosteric inhibitor changes the enzyme's active site.

(C)

Allosteric inhibitor competes with the enzyme's active site.

(D)

Competitive inhibitor binds to the enzyme's active site.

JEE Main 2021

LEVELJEE Main

Given below are two statements. Statement I Penicillin is a bacteriostatic type antibiotic. Statement II The general structure of penicillin is

(A)

Both statement I and statement II are false

(B)

Statement I is false but statement II is true

(C)

Both statement I and statement II are true

(D)

Statement I is true but statement II is false

JEE Main 2021

LEVELJEE Main

Match List-I with List-II. \begin{array}{ll} \text{List-I (Class of chemicals)} & \text{List-II (Example)} \\ \text{A. Antifertility drug} & \text{1. Meprobamate} \\ \text{B. Antibiotic} & \text{2. Alitame} \\ \text{C. Tranquilizer} & \text{3. Norethindrone} \\ \text{D. Artificial sweetener} & \text{4. Salvarsan} \end{array} Choose the most appropriate answer from the options given below.

(A)

\to

2, B

\to

3, C

\to

4, D

\to

(B)

\to

4, B

\to

3, C

\to

2, D

\to

(C)

\to

3, B

\to

4, C

\to

1, D

\to

(D)

\to

2, B

\to

4, C

\to

1, D

\to

JEE Main 2016

LEVELJEE Main

Which of the following is an anionic detergent?

(A)

Sodium lauryl sulphate

(B)

Cetyltrimethyl ammonium bromide

Match List-I and List-II. $List-I A. Valium B. Morphine C. Norethindrone D. Vitamin B_{12} List-II 1. Antifertility drug 2. Pernicious anaemia 3. Analgesic 4. Tranquiliser$ Choose the correct answer from the option given below.

(A)

\to

4, B

\to

3, C

\to

2, D

\to

(B)

\to

4, B

\to

3, C

\to

1, D

\to

(C)

\to

2, B

\to

4, C

\to

3, D

\to

(D)

\to

1, B

\to

3, C

\to

4, D

\to

JEE Main 2019

LEVELJEE Main

Noradrenaline is a/an

Which of the following compounds is not an antacid?

If a person is suffering from the deficiency of nor-adrenaline, what kind of drug can be suggested?

Match List-I and List-II. \begin{array}{ll} \text{\textbf{List-I (Chemical compound)}} & \text{\textbf{List-II (Used as)}} \\ \text{A. Sucralose} & \text{1. Synthetic detergent} \\ \text{B. Glyceryl ester of stearic acid} & \text{2. Artificial sweetener} \\ \text{C. Sodium benzoate} & \text{3. Antiseptic} \\ \text{D. Bithionol} & \text{4. Food preservative} \end{array} Choose the correct match.

Match the List-I with List-II. $List-I (Class of drug) (A) Antacid (B) Artificial sweetener (C) Antifertility (D) Tranquilizers List-II (Example) (i) Novestrol (ii) Cimetidine (iii) Valium (iv) Alitame$

(A)

(A)-(ii), (B)-(iv), (C)-(i), (D)-(iii)

(B)

(A)-(iv), (B)-(i), (C)-(ii), (D)-(iii)

(C)

(A)-(iv), (B)-(iii), (C)-(i), (D)-(ii)

(D)

(A)-(ii), (B)-(iv), (C)-(iii), (D)-(i)

JEE Main 2020

LEVELJEE Main

The mechanism of action of ''Terfenadine'' (Seldane) is

(A)

Inhibits the secretion of histamine

(B)

Inhibits the action of histamine receptor

(C)

Helps in the secretion of histamine

(D)

Activates the histamine receptor