1
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
250 mL of a waste solution obtained from the workshop of a goldsmith contains 0.1 M AgNO3 and 0.1 M AuCl. The solution was electrolyzed at 2V by passing a current of 1A for 15 minutes. The metal/metals electrodeposited will be

[ $$E_{A{g^ + }/Ag}^0$$ = 0.80 V, $$E_{A{u^ + }/Au}^0$$ = 1.69 V ]
A
Silver and gold in equal mass proportion
B
Silver and gold in proportion to their atomic weights
C
Only gold
D
Only silver
2
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The molecule in which hybrid MOs involve only one d-orbital of the central atom is :
A
XeF4
B
[Ni(CN)4]2–
C
[CrF6]3–
D
BrF5
3
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The one that can exhibit highest paramagnetic behaviour among the following is :

gly = glycinato; bpy = 2, 2'-bipyridine
A
[Fe(en)(bpy)(NH3)2]2+
B
[Pd(gly)2]
C
[Co(OX)2(OH)2] ($$\Delta $$0 > P)
D
[Ti(NH3)6]3+
4
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The reaction in which the hybridisation of the underlined atom is affected is :
A
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Chemical Bonding & Molecular Structure Question 188 English Option 1
B
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Chemical Bonding & Molecular Structure Question 188 English Option 2
C
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Chemical Bonding & Molecular Structure Question 188 English Option 3
D
JEE Main 2020 (Online) 4th September Evening Slot Chemistry - Chemical Bonding & Molecular Structure Question 188 English Option 4

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