1
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The actinoids exhibits more number of oxidation states in general than the lanthanoids. This is because :
A
the 5f orbitals are more buried than the 4f orbitals
B
there is a similarity between 4f and 5f orbitals in their angular part of the wave function
C
the actinoids are more reactive than the lanthanoids
D
the 5f orbitals extend further from the nucleus than the 4f orbitals
2
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The stability of dihalides of $$Si,Ge,Sn$$ and $$Pb$$ increases steadily in the sequence :
A
$$Pb{X_2} < < Sn{X_2} < < Ge{X_2} < < Si{X_2}$$
B
$$Ge{X_2} < < Si{X_2} < < Sn{X_2} < < Pb{X_2}$$
C
$$Si{X_2} < < Ge{X_2} < < Pb{X_2} < < Sn{X_2}$$
D
$$Si{X_2} < < Ge{X_2} < < Sn{X_2} < < Pb{X_2}$$
3
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
Which of the following molecules is expected to rotate the plane of plane - polarized light?
A
AIEEE 2007 Chemistry - Basics of Organic Chemistry Question 226 English Option 1
B
AIEEE 2007 Chemistry - Basics of Organic Chemistry Question 226 English Option 2
C
AIEEE 2007 Chemistry - Basics of Organic Chemistry Question 226 English Option 3
D
AIEEE 2007 Chemistry - Basics of Organic Chemistry Question 226 English Option 4
4
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
AIEEE 2007 Chemistry - Basics of Organic Chemistry Question 225 English
A
$$3$$ - enthyl - $$4$$ - $$4$$ - dimethylheptane
B
$$1,1$$ - diethyl - $$2,2$$ - dimethylpentane
C
$$4, 4$$ - dimethyl -$$5,5$$ - diethylpentane
D
$$5,5$$ - diethyl - $$4,4$$ - dimethylpentane.
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