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What mass of isobutylene is obtained from 37 g of tertiary butyl alcohol by heating with 20% H₂SO₄ at 363 K, if the yield is 65%?
1. 16 g
2. 18.2 g
3. 20 g
4. 22 g

Which is gem dihalide?
1. ${\mathrm{CH}}_3.{\mathrm{CHBr}}_2$                           
2. ${\mathrm{CH}}_2\mathrm{Br}.{\mathrm{CH}}_2\mathrm{Br}$ 
3. ${\mathrm{CH}}_3.\mathrm{CHBr}.{\mathrm{CH}}_2\mathrm{Br}$                   
4. None of the above

Which of the following reacts with water
1. CHCl₃                                     
2. CCl₄
3. CCl₃CHO                               
4. CH₂ClCH₂Cl

The commonly used dehydrating agent in the preparation of an ester is :
1. P₂O₅                                   
2. Anhydride CaCl₂
3. Anhydride AlCl₃                     
4.Conc. H₂SO₄

Which represents Riemer-Tiemann reaction?
   
 

(a)
(b)
(c)
(d)

The best reagent to convert pent-3-en-2-ol into pent-3-en-2-one is:
1. Acidic KMnO₄
2. Alkaline K₂Cr₂O₇
3. Chromium anhydride in glacial acetic acid
4. Pyridinium Chlorochromate

Dialkyl sulphides are known as:
1. sulphonal                         
2. mercaptan
3. thioethers                       
4. thioesters

Diethyl ether absorbs oxygen to form:
1. red colored sweet smelling compound
2. acetic acid
3. ether suboxide
4. ether peroxide
 

The product A in the below mentioned reaction is:
 \(\xrightarrow[]{H_{2}O/H^{+}} \ \underset{(major)}{A} \ + \ \underset{(minor)}{B}\)     

1.		2.
3.		4.

The most acidic compound among the following is:

1.	ClCH2-CH2OH	2.
3.		4.

Ethyl alcohol is denatured by:
1. Methanol and formic acid
2. KCN
3. CH₃OH and C₆H₆
4. CH₃OH and pyridine

Consider the following alcohols,

I.
II.
III.
IV.

Ease of dehydration of the above alcohols will be in the order of:

The reaction products of C₆H₅-O-CH₃+ HI $\stackrel{\mathrm{A}}{\to }$
1. C₆H₅OH + CH₃l
2. C₆H₅l + CH₃OH
3. C₆H₅CH₃ +HOI
4. C₆H₆ + CH₃Ol
 

The number of  moles of HI consumed by the given compound is:

R-CH₂-CH₂OH can be converted into RCH₂CH₂COOH. The correct sequence of reagents is: 
1. PBr₃, KCN, H⁺ 
2. PBr₃, KCN, H₂     
3. KCN, H⁺
4. HCN, PBr₃, H⁺

The reaction of with HBr gives 
1. 
2. 
3. 
4.  
 

1.
2.
3.
4.	​​​​​​​

$\underset{\mathrm{Acetone}}{\overset{{\left[{\left({\mathrm{CH}}_3\right)}_3\mathrm{CO}\right]}_3\mathrm{Al}}{\to }}X$
 

The product (x) of this reaction is     
1.  
2. 
3. 
4. 
 

1.
2.
3.
4.

The major product of the following reaction sequence will be
$\underset{\left(1\right)}{\overset{\mathbf{PhCOCl}\mathbf{ }\mathbf{/}\mathbf{ }\mathbf{Pyridine}\mathbf{ }}{\to }} \underset{\left(2\right)}{\overset{\mathit{C}{\mathit{H}}_{\mathbf{3}}\mathit{C}\mathit{O}\mathit{C}\mathit{l}\mathit{ }\mathbf{/}\mathit{A}\mathit{l}\mathit{C}{\mathit{l}}_3}{\to }}$
$\underset{\left(3\right)}{\overset{\mathit{Z}\mathit{n}\mathbf{-}\mathit{H}\mathit{g}\mathit{ }\mathbf{/}\mathit{H}\mathit{C}\mathit{l}\mathbf{/}\mathbf{∆}}{\to }} \underset{\left(4\right)}{\overset{\mathit{B}{\mathit{r}}_{\mathbf{2}}\mathit{ }\mathbf{/}\mathit{F}e}{\to }}$

1.
2.
3.
4.

Compound Y,  C₇H₈O is insoluble in water, dil HCI and aqueous NaHCO₃. It dissolves in dilute NaOH. When Y is treated with bromine water it is converted rapidly into a compound of formula C₇H₅OBr₃.  The structure of Y is:

1.		2.
3.		4.

What is the correct order of dehydration rate for the compounds (i), (ii), and (iii) when treated with concentrated \(\text{H}_2\text{SO}_4\)?

(i)
(ii)
(iii)

1. (i) > (iii) > (ii)                                             
2. (i) > (ii) > (iii)
3. (ii) > (i) > (iii)                                             
4. (ii) > (iii) > (i)

What sequence of reagents is required to accomplish the following transformation?

1. (1) NBS, ROOR (2) CH₃CH₂O^- (3)2HBr (4) NH^-₂ (5) disiamylborane (6) H₂O₂,OH^-
2. (1) Cl₂hv (2) OH^-, heat; (3) 2HCl (4) OH-,heat (5) HgSO₄,H₂SO₄
3. (1) NBs,ROOR; OH-,DMSO
4. (1) Br₂,hv (2) t-butoxide (3) BH₃,THF (4) H₂O₂,OH^-

Consider the following compounds:

What is the correct decreasing order of reactivity of given alcohols towards substitution with HBr?

Predict the product when the given compound reacts with LiAlH₄ :
   

1.		2.
3.		4.

Product (P) is:

1.		2.
3.		4.

The structure of A in the below mentioned reaction is:
 

1.		2.
3.		4.