To which ring size cycloalkanes, Baeyer’s strain theory is not valid?

(1) 3 carbon

(2) 4 carbon

(3) 5 carbon

(4) ≥6 carbon

The shifting of electrons of  multiple bonds under the influence of a reagent is called:

1. I-effect

2. E-effect

3. M-effect

4. None of the above.

Which of the following statements accurately describes the stability of allyl and propyl carbocations?

1. Allyl carbocation (CH₂=CH-CH₂⁺) is more stable than propyl carbocation

2. Propyl carbocation is more stable than allyl carbocation

3. Both are equally stable

4. None of the above

Sulphur trioxide act as:

1. An electrophile             

2. A nucleophile

3. A homolytic agent         

4. A base

The correct order of nucleophilicity among the following is:

(I) $C{H}_{3}CO{O}^{-}$

(II) $C{H}_{3}C{O}^{-}$

(III) CN^-

(IV) 

1. I > II > III > IV

2. IV > III > II > I

3. II > III > I > IV

4. III > II > I > IV

The compound which gives the most stable carbocation on dehydration:

$1. C{H}_3-CH-\left(C{H}_3\right)- C{H}_{2}OH$
$$
$$

2. $C{H}_3 -C{\left(C{H}_3\right)}_2- OH$

3. CH₃ - CH₂ - CH₂ - CH₂OH

$4. C{H}_3 -CH\left(OH\right)- C{H}_2 - C{H}_3$

Allyl isocyanide has:

1. 9 σ, and 4π-bonds.

2. 8 σ, and 5π-bonds

3. 9 σ, and 3π-bonds, 

4. 8 σ, and 3 π bonds

Which of the following acids has the smallest dissociation constant?

(1) CH₃CHFCOOH

(2) FCH₂CH₂COOH

(3) BrCH₂CH₂COOH

(4) CH₃CHBrCOOH

Which of the following resonating structures of 1-methoxy-1,3-butadiene is least stable ?

(1) C⊝H2 -CH=CH-CH=O⊕-CH3

(2) CH2=CH-C⊝H-CH=O⊕-CH3

(3) C⊝H2-C⊕H-CH=CH-O-CH3

(4) CH2=CH-C⊝H-C⊕H-O-CH3

The least stable resonance structure among the following is:

1. 

2. 

3. 

4.