1
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
Which one of the following properties is not shown by NO?
A
It combines with oxygen to form nitrogen dioxide
B
It’s bond order is 2.5
C
It is diamagnetic in gaseous state
D
It is a neutral oxide
2
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
The correct statement for the molecule, CsI3 is :
A
it contains Cs3+ and I- ions.
B
it contains Cs+, I- and lattice I2 molecule.
C
it is a covalent molecule
D
it contains Cs+ and $$I_3^-$$ ions
3
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
Which series of reactions correctly represents chemical relations related to iron and its compound?
A
Fe $$\buildrel {dil.\,{H_2}S{O_4}} \over \longrightarrow $$ FeSO4 $$\buildrel {{H_2}S{O_4},{O_2}} \over \longrightarrow $$ Fe2(SO4)3 $$\buildrel {heat} \over \longrightarrow $$ Fe
B
Fe $$\buildrel {{O_2} \, {, heat}} \over \longrightarrow $$ FeO $$\buildrel {dil.\,{H_2}S{O_4}} \over \longrightarrow $$ FeSO4 $$\buildrel {heat} \over \longrightarrow $$ Fe
C
Fe $$\buildrel {{Cl_2} \, {, heat}} \over \longrightarrow $$ FeCl3 $$\buildrel {heat, \, air} \over \longrightarrow $$ FeCl2 $$\buildrel {Zn} \over \longrightarrow $$ Fe
D
Fe $$\buildrel {{O_2},\,heat} \over \longrightarrow $$ Fe3O4 $$\buildrel {CO,\,{{600}^o}C} \over \longrightarrow $$ FeO $$\buildrel {CO,\,{{700}^o}C} \over \longrightarrow $$ Fe
4
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
The octahedral complex of a metal ion M3+ with four monodentate ligands L1, L2, L3 and L4 absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is :
A
L3 < L2 < L4 < L1
B
L1 < L2 < L4 < L3
C
L4 < L3 < L2 < L1
D
L1 < L3 < L2 < L4
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