1
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+1
-0.25
The correct order of acidic strength is
A
Cl2O7 > SO2 > P4O10
B
CO2 > N2O5 > SO3
C
Na2O > MgO > Al2O3
D
K2O > CaO > MgO
2
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+1
-0.25
The correct order of radii is
A
N < Be < B
B
F- < O2- < N3-
C
Na < Li < K
D
Fe3+ < Fe2+ < Fe4+
3
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+2
-0.5
Read the following statement and explanation and answer as per the options given below

ASSERTION : The first ionization energy of Be is greater than that of B.

REASON : 2p orbital is lower in energy than 2s.
A
If both assertion and reason are CORRECT, and reason is the CORRECT explanation of the assertion
B
If both assertion and reason are CORRECT, and reason is not the CORRECT explanation of the assertion
C
If assertion is CORRECT, but reason is INCORRECT
D
If assertion is INCORRECT, but reason is CORRECT
4
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+2
-0.5
The hybridisation of atomic orbitals of nitrogen in $$NO_2^+$$, $$NO_3^-$$ and $$NH_4^+$$ are
A
sp, sp3 and sp2 respectively
B
sp, sp2 and sp3 respectively
C
sp2, sp and sp3 respectively
D
sp2, sp3 and sp respectively

JEE Advanced Papers

All year-wise previous year question papers