In  the decreasing order of bond length will be

1. I>II>III

2. II>III>I

3. III>II>I

4. II>I>III

The double bond in the above-mentioned compound that accepts proton $\left({\mathrm{H}}^{+}\right)$ fastest is:

Which compound is most reactive towards electrophilic substitution reaction?

1. Phenol

2. Aniline

3. Methoxy benzene

4. Toulene

Which among the given molecules can exhibit tautomerism? 
 

1.  III only

2.  Both I and III

3.  Both I and II

4.  Both II and III

The most stable carbocation among the following is:

1.	`	2.
3.		4.

The correct statement about the S_N1 reaction is:

Two possible stereo-structures of CH₃CHOH.COOH, that are optically active, called:

In which of the following compounds, the C—Cl bond ionization shall give the most stable carbonium ion?

1.		2.
3.		4.

The enolic form of ethyl acetoacetate is given below:

 

The number of σ and π bonds in the enolic form are respectively:

1. 18 sigma bonds and 2 pi-bonds
2. 16 sigma bonds and 1 pi-bond
3. 9 sigma bonds and 2 pi-bonds
4. 9 sigma bonds and 1 pi-bond