1
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following graphs between molar conductivity ($${\Lambda _m}$$) versus $$\sqrt C $$ is correct ?
A
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Electrochemistry Question 165 English Option 1
B
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Electrochemistry Question 165 English Option 2
C
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Electrochemistry Question 165 English Option 3
D
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Electrochemistry Question 165 English Option 4
2
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The minimum amount of O2(g) consumed per gram of reactant is for the reaction :
(Given atomic mass : Fe = 56, O = 16, Mg = 24, P = 31, C = 12, H = 1)
A
4Fe(s) + 3O2(g) $$ \to $$ 2Fe2O3(s)
B
P4(s) + 5O2(g) $$ \to $$ P4O10(s)
C
C3H8(g) + 5O2(g) $$ \to $$ 3CO2(g) + 4H2O(l)
D
2Mg(s) + O2(g) $$ \to $$ 2MgO(s)
3
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of the first ionization enthalpies is :
A
Ti < Mn < Zn < Ni
B
Zn < Ni < Mn < Ti
C
Mn < Ti < Zn < Ni
D
Ti < Mn < Ni < Zn
4
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The crystal field stabilization energy (CFSE) of [Fe(H2O)6]Cl2 and K2[NiCl4] respectively, are :
A
– 0.4 $$\Delta $$0 and – 0.8 $$\Delta $$t
B
– 0.6 $$\Delta $$0 and – 0.8 $$\Delta $$t
C
– 2.4 $$\Delta $$0 and – 1.2 $$\Delta $$t
D
– 0.4 $$\Delta $$0 and – 1.2 $$\Delta $$t

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