1
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
During the change of O2 to O2- , the incoming electron goes to the orbital :
A
$$\pi 2{p_y}$$
B
$${\sigma ^*}2{p_z}$$
C
$${\pi ^*}2{p_x}$$
D
$$\pi 2{p_x}$$
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A bacterial infection in an internal wound grows as N'(t) = N0 exp(t), where the time t is in hours. A does of antibiotic, taken orally, needs 1 hour to reach the wound. Once it reaches there, the bacterial population goes down as $${{dN} \over {dt}} = - 5{N^2}$$. What will be the plot of $${{{N_0}} \over N}$$ vs. t after 1 hour?
A
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Chemical Kinetics and Nuclear Chemistry Question 165 English Option 1
B
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Chemical Kinetics and Nuclear Chemistry Question 165 English Option 2
C
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Chemical Kinetics and Nuclear Chemistry Question 165 English Option 3
D
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Chemical Kinetics and Nuclear Chemistry Question 165 English Option 4
3
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Ethylamine (C2H5NH2) can be obtained from N-ethylphatalimide on treatment with :
A
CaH2
B
H2O
C
NaBH4
D
NH2NH2
4
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the statements S1 and S2

S1 : Conductivity always increases with decrease in the concentration of electrolyte.

S2 : Molar conductivity always increases with decrease in the concentration of electrolyte.

The correct option among the following is :
A
Both S1 and S2 are wrong
B
S1 is correct and S2 is wrong
C
Both S1 and S2 are correct
D
S1 is wrong and S2 is correct

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