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1
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct statement among the following is :
A
(SiH3)3N is planar and more basic than (CH3)3N
B
(SiH3)3N is pyramidal and more basic than (CH3)3N
C
(SiH3)3N is pyramidal and less basic than (CH3)3N
D
(SiH3)3N is planar and less basic than (CH3)3N
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The oxoacid of sulphur that does not contain bond between sulphur atoms is
A
H2S2O7
B
H2S2O3
C
H2S4O6
D
H2S2O4
3
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
$$\pi 2{p_x}$$
4
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
HF has highest boiling point among hydrogen halides, because it has :
A
lowest dissociation enthalpy
B
strongest hydrogen bonding
C
lowest ionic character
D
strongest van der Waals' interactions
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