1
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
Dissolving NaCN in de-ionised water will result in a solution having
A
pH < 7
B
pH = 7
C
pOH = 7
D
pH > 7
2
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
Among Me3N, C5H5N and MeCN (Me = methyl group) the electronegativity of N is in the order
A
MeCN > C5H5N > Me3N
B
C5H5N > Me3N > MeCN
C
Me3N > MeCN > C5H5N
D
Electronegativity same in all
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
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12