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1
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements is correct ?
A
Gluconic acid can from cyclic (acteal/hemiacetal) structure
B
Gluconic acid is a partial oxidation product of glucose
C
Gluconic acid is obtained by oxidation of glucose with (HNO3)
D
Gluconic acid is a dicarboxylic acid.
2
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The number of possible optical isomers for the complexes MA2B2 with sp3 and dsp2 hydridized metal atom. respectively, is :
Note : A and B are unidentate netural and unidentate monoanionic ligands, respectively.
A
0 and 2
B
0 and 0
C
0 and 1
D
2 and 2
3
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The redox reaction among the following is :
A
reaction of H2SO4 with NaOH.
B
formation of ozone form atmosphere oxygen in the presence of sunlight.
C
combination of dinitrogen with dioxygen at 2000 K
D
reaction of [Co(H2O)6]Cl3 With AgNO3
4
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
For the reaction
2H2(g) + 2NO(g) $$ \to $$ N2(g) + 2H2O(g)
the observed rate expression is, rate = Kf[NO]2[H2]. The rate expression for the reverse reaction is :
A
Kb[N2][H2O]
B
Kb[N2][H2O]2/[H2]
C
Kb[N2][H2O]2/[NO]
D
Kb[N2][H2O]2

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