1
WB JEE 2019
MCQ (More than One Correct Answer)
+2
-0.67
Change Language
Identify the correct statement(s) :
A
The oxidation number of Cr in CrO5 is + 6.
B
$$\Delta$$H > $$\Delta$$U for the reaction N2O4(g) $$\to$$ 2NO2(g) provided both gases behave ideally.
C
pH of 0.1 N H2SO4 is less than that of 0.1 N HCl at 25$$^\circ$$C.
D
$$\left( {{{RT} \over F}} \right)$$ = 0.0591 volt at 25$$^\circ$$C
2
WB JEE 2019
MCQ (More than One Correct Answer)
+2
-0.67
Change Language
Compounds with spin only magnetic moment equivalent to five unpaired electrons are
A
K4[Mn(CN)6]
B
[Fe(H2O)6]Cl3
C
K3[FeF6]
D
K4[MnF6]
3
WB JEE 2019
MCQ (More than One Correct Answer)
+2
-0.67
Change Language
Which of the following chemicals may be used to identify three unlabelled beakers containing conc. NaOH, conc. H2SO4 and water?
A
NH4NO3
B
NaCl
C
(NH4)2CO3
D
HCOONa
4
WB JEE 2019
MCQ (More than One Correct Answer)
+2
-0.67
Change Language
The compound (s), capable of producing achiral compound on heating at 100$$^\circ$$ is/are
A
WB JEE 2019 Chemistry - Carboxylic Acids and Amines Question 13 English Option 1
B
WB JEE 2019 Chemistry - Carboxylic Acids and Amines Question 13 English Option 2
C
WB JEE 2019 Chemistry - Carboxylic Acids and Amines Question 13 English Option 3
D
WB JEE 2019 Chemistry - Carboxylic Acids and Amines Question 13 English Option 4
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