1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following compounds is not a protonic acid?
A
B(OH)3
B
PO(OH)3
C
SO(OH)2
D
SO2(OH)2
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which of the following statement is true?
A
Silicon exhibits 4 coordination number in its compound.
B
Bond energy of F2 is less than Cl2.
C
Mn(III) oxidation state is more stable than Mn(II) in aqueous state.
D
Elements of 15th group shows only + 3 and +5 oxidation states.
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which of the following order is wrong?
A
NH3 < PH3 < AsH3 $$-$$ acidic
B
Li < Be < B < C $$-$$ 1st IP
C
Al2O3 < MgO < Na2O < K2O $$-$$ basic
D
Li+ < Na+ < K+ < Cs+ $$-$$ ionic radius.
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Correct order of 1st ionization potential among following elements Be, B, C, N, O is
A
B < Be < C < O < N
B
B < Be < C < N < O
C
Be < B < C < N < O
D
Be < B < C < O < N
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