1
JEE Main 2019 (Online) 11th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
The correct match between Item I and Item II is :

Item I Item II
(A) Ester test (P) Tyr
(B) Carbylamine test (Q) Asp
(C) Phthalein dye test
(R) Ser
(S) Lys
A
(A)$$ \to $$(Q); (B)$$ \to $$(S); (C)$$ \to $$(P)
B
(A)$$ \to $$(R); (B)$$ \to $$(S); (C)$$ \to $$(Q)
C
(A)$$ \to $$(R); (B)$$ \to $$(Q); (C)$$ \to $$(P)
D
(A)$$ \to $$(Q); (B)$$ \to $$(S); (C)$$ \to $$(R)
2
JEE Main 2019 (Online) 10th January Evening Slot
MCQ (Single Correct Answer)
+4
-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
(A)  $$ \to $$  (Q);  (B)  $$ \to $$  (R);  (C)  $$ \to $$  (S);   (D)  $$ \to $$  (P)
B
(A)  $$ \to $$  (Q);  (B)  $$ \to $$  (P);  (C)  $$ \to $$  (S);   (D)  $$ \to $$  (R)
C
(A)  $$ \to $$  (R);  (B)  $$ \to $$  (P);  (C)  $$ \to $$  (Q);   (D)  $$ \to $$  (S)
D
(A)  $$ \to $$  (Q);  (B)  $$ \to $$  (P);  (C)  $$ \to $$  (R);   (D)  $$ \to $$  (S)
3
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
If dichloromethane (DCM) and water (H2O) are used for differential extraction, which one of the following statements is correct ?
A
DCM and H2O would stay as upper and lower layer respectively in the separating funnel (S.F.)
B
DCM and H2O will make turbid/colloidal mixture
C
DCM and H2O would stay as lower and upper layer respectively in the separating funnel(S.F).
D
DCM and H2O will be miscible clearly
4
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
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
A $$ \to $$ R;  B $$ \to $$ P;  C $$ \to $$ S;  D $$ \to $$ Q
B
A $$ \to $$ Q;  B $$ \to $$ S;  C $$ \to $$ P;  D $$ \to $$ R
C
A $$ \to $$ R;  B $$ \to $$ S;  C $$ \to $$ P;  D $$ \to $$ Q
D
A $$ \to $$ Q;  B $$ \to $$ P;  C $$ \to $$ S;  D $$ \to $$ R
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