1
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.33
Change Language
The H - N - H angle in ammonia is 107.6$$^\circ$$ while the H - P - H angle in phosphine is 93.5$$^\circ$$. Relative to phosphine, the p-character of the lone-pair on ammonia is expected to be
A
Less
B
More
C
Same
D
Cannot be predicted
2
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.33
Change Language
Which of the following has the strongest H-bond?
A
O$$-$$H ... S
B
S$$-$$H ... O
C
F$$-$$H ... F
D
F$$-$$H ... O
3
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
The shape of $$XeF_5^ - $$ will be
A
square pyramid
B
trigonal bipyramidal
C
planar
D
pentagonal bipyramid
4
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
The ground state magnetic property of B2 and C2 molecules will be
A
B2 paramagnetic and C2 diamagnetic
B
B2 diamagnetic and C2 paramagnetic
C
Both are diamagnetic
D
Both are paramagnetic
WB JEE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12