JEE Main 2019 (Online) 10th January Evening Slot | Practical Organic Chemistry Question 44 | Chemistry

JEE Main 2019 (Online) 10th January Evening Slot

MCQ (Single Correct Answer)

-1

The correct match between item 'I' and item 'II' is :

Item 'I' (compound)		Item 'II' (reagent)
(A)	Lysine	(P)	1-naphthol
(B)	Furfural	(Q)	ninhydrin
(C)	Benzylalcohol	(R)	KMnO₄
(D)	Styrene	(S)	Ceric ammonium nitrate

(A) $$ \to $$ (Q); (B) $$ \to $$ (R); (C) $$ \to $$ (S); (D) $$ \to $$ (P)

(A) $$ \to $$ (Q); (B) $$ \to $$ (P); (C) $$ \to $$ (S); (D) $$ \to $$ (R)

(A) $$ \to $$ (R); (B) $$ \to $$ (P); (C) $$ \to $$ (Q); (D) $$ \to $$ (S)

(A) $$ \to $$ (Q); (B) $$ \to $$ (P); (C) $$ \to $$ (R); (D) $$ \to $$ (S)

JEE Main 2019 (Online) 10th January Morning Slot

MCQ (Single Correct Answer)

-1

If dichloromethane (DCM) and water (H₂O) are used for differential extraction, which one of the following statements is correct ?

DCM and H₂O would stay as upper and lower layer respectively in the separating funnel (S.F.)

DCM and H₂O will make turbid/colloidal mixture

DCM and H₂O would stay as lower and upper layer respectively in the separating funnel(S.F).

DCM and H₂O will be miscible clearly

JEE Main 2019 (Online) 9th January Morning Slot

MCQ (Single Correct Answer)

-1

The correct match between Item-I and Item-II is :

Item-I (drug)		Item-II (test)
A	Chloroxylenol	P	Carbylamine test
B	Norethindrone	Q	Sodium hydrogen carbonet test
C	Sulphapyridine	R	Ferric chloride test
D	Penicillin	S	Bayer's test

A $$ \to $$ R; B $$ \to $$ P; C $$ \to $$ S; D $$ \to $$ Q

A $$ \to $$ Q; B $$ \to $$ S; C $$ \to $$ P; D $$ \to $$ R

A $$ \to $$ R; B $$ \to $$ S; C $$ \to $$ P; D $$ \to $$ Q

A $$ \to $$ Q; B $$ \to $$ P; C $$ \to $$ S; D $$ \to $$ R

JEE Main 2018 (Online) 16th April Morning Slot

MCQ (Single Correct Answer)

-1

For standardizing NaOH solution, which of the following is used as a primary standard ?

Ferrous Ammonium Sulfate

dil. HCl

Oxalic acid

Sodium tetraborate

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