1
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The peptide that gives positive ceric ammonium nitrate and carbylamine tests is :
A
Ser-Lys
B
Asp-Gln
C
Gln-Asp
D
Lys-Asp
2
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Among the following species, the diamagnetic molecule is
A
CO
B
B2
C
O2
D
NO
3
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct statements among I to III regarding group 13 element oxides are,
(I) Boron trioxide is acidic.
(II) Oxides of aluminium and gallium are amphoteric.
(III) Oxides of indium and thalliumare basic.
A
(II) and (III) only
B
(I), (II) and (III)
C
(I) and (III) only
D
(I) and (II) only
4
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The maximum possible denticities of a ligand given below towards a common transition and inner-transition metal ion, respectively, are : JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Coordination Compounds Question 249 English
A
8 and 6
B
8 and 8
C
6 and 8
D
6 and 6
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