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1
IIT-JEE 2007 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

Among the following the least stable resonance structure is :

A
IIT-JEE 2007 Paper 2 Offline Chemistry - Basics of Organic Chemistry Question 4 English Option 1
B
IIT-JEE 2007 Paper 2 Offline Chemistry - Basics of Organic Chemistry Question 4 English Option 2
C
IIT-JEE 2007 Paper 2 Offline Chemistry - Basics of Organic Chemistry Question 4 English Option 3
D
IIT-JEE 2007 Paper 2 Offline Chemistry - Basics of Organic Chemistry Question 4 English Option 4
2
IIT-JEE 2007 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

The number of structural isomers for C$$_6$$H$$_{14}$$ is :

A
3
B
4
C
5
D
6
3
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
$$sp^3 - sp$$
4
IIT-JEE 1987
MCQ (Single Correct Answer)
+1
-0.25
The IUPAC name of the compound
CH2 = CH $$-$$ CH(CH3)2
A
1, 1-dimethyl-2-propene
B
3-methylbut-1-ene
C
2-vinylpropane
D
1 isopropylethylene
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