1
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Which of the following statement is wrong?
A
Nitrogen cannot form $$d\pi - p\pi$$ bond.
B
Single N – N bond is weaker than the single P – P bond
C
N2O4 has two resonance structures
D
The stability of hydrides increases from NH3 to BiH3 in group 15 of the periodic table
2
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Which of the following statements regarding sulphur is incorrect?
A
The vapour at 200oC consists mostly of S8 rings
B
At 600oC the gas mainly consists of S2 molecules
C
The oxidation state of sulphur is never less than +4 in its compounds
D
S2 molecule is paramagnetic.
3
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
The rate of a chemical reaction doubles for every 10oC rise of temperature. If the temperature is raised by 50oC , the rate of the reaction increases by about :
A
24 times
B
32 times
C
64 times
D
10 times
4
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
The reduction potential of hydrogen half cell will be negative if :
A
p(H2) = 1 atm and [H+] = 1.0 M
B
p(H2) = 1 atm and [H+] = 2.0 M
C
p(H2) = 2 atm and [H+] =1.0 M
D
p(H2) = 2 atm and [H+] =2.0 M
JEE Main Papers
2023
2021
EXAM MAP