1
IIT-JEE 2008 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

The correct stability order for the following species is :

IIT-JEE 2008 Paper 2 Offline Chemistry - Basics of Organic Chemistry Question 2 English

A
(II) > (IV) > (I) > (III)
B
(I) > (II) > (III) > (IV)
C
(II) > (I) > (IV) > (III)
D
(I) > (III) > (II) > (IV)
2
IIT-JEE 2008 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

Statement 1 : The geometrical isomers of the complex [M(NH$$_3$$)$$_4$$Cl$$_2$$] are optically inactive.

Statement 2 : Both geometrical isomers of the complex [M(NH$$_3$$)$$_4$$Cl$$_2$$] possess axis of symmetry.

A
Statement 1 is True, Statement 2 is True; Statement 2 is a CORRECT explanation for Statement 1.
B
Statement 1 is True, Statement 2 is True; Statement 2 is a NOT CORRECT explanation for Statement 1.
C
Statement 1 is True, Statement 2 is False.
D
Statement 1 is False, Statement 2 is True.
3
IIT-JEE 2008 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

Hyperconjugation involves overlapping of the following orbitals:

A
$$\sigma-\sigma$$
B
$$\sigma-p$$
C
$$p-p$$
D
$$\pi-\pi$$
4
IIT-JEE 1991
MCQ (Single Correct Answer)
+1
-0.25
The hybridization of carbon atoms in C-C single bond of HC $$ \equiv $$ C - CH = CH2 is
A
$$sp^3 - sp^3$$
B
$$sp^2 - sp^3$$
C
$$sp - sp^2$$
D
$$sp^3 - sp$$
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