The strongest acid among the following aromatic compounds is -

The product 'D' in the below mentioned reaction is:
\(CH_3MgBr + \text{cyclopentanone}\ \)
\(\xrightarrow{H_2O}\ A\ \xrightarrow{HBr}\ B\)
\( B\ \xrightarrow{Mg/Ether}\ C \xrightarrow[H_3O^+]{HCHO}\ D\)

1.		2.
3.		4.

Methanol and ethanol can be distinguished by the following:
1. By reaction with metallic sodium
2. By reaction with caustic soda
3. By heating with iodine and washing soda
4. By heating with zinc and inorganic mineral acid

 

can be repared from williamson's synthesis using
 

1.
2.
3.
4.	All of these

1.  and C₆H₅CH₂ONa

2. C₆H₅CH₂Cl and 

3. and C₆H₅ONa 

4. All of these

Which of the following reactions will give 2° chiral alcohol as one or more of major organic products?

(1)
(2)
(3)
(4)	None

In the following reactions X, Y and Z are respectively :

	X	Y	Z
(1)
(2)
(3)
(4)

An aromatic compound A (C₈H₁₀O) gives the following tests with the given reagents.

The structure of  'A' is:

1.		2.
3.		4.

Compounds I and II can be distinguished by using reagent:
(I) 4–Amino–2–methylbut–3–en–2–ol 
(II) 4–Amino–2,2–dimethylbut–3–yn–1–ol

1. NaNO₂/HCl

2. Br₂/H₂O

3. HCl/ZnCl₂ (anhydrous)

4. Cu₂Cl₂ + NH₄OH

$\underset{{\mathrm{CH}}_2{\mathrm{Cl}}_2}{\overset{{\mathrm{Br}}_2}{\to }}$ W. Product W is:

1. 

2. 

3. 

4. 

In each of the following groups, which is the strongest (best) nucleophile ?

(I)(1)H₃C-O^-            (2)                   (3)H₃C-S^- in CH₃OH

(II)(1)OH^-                (2) H₂O                        (3) ${\mathrm{NH}}_2^{-}$ in DMF

(III) (1)   (2)                  (3) CH₃O^- in DMSO

(a) I,3; II,3; III,2                                  (b) I,2; II,1; III,3

(c)  I,1; II,2; III,1                                 (d) I,3; II,1; III,3