1
IIT-JEE 2011 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

An acyclic hydrocarbon P, having molecular formula C6H10, gave acetone as the only organic product through the following sequence of reactions, in which Q is an intermediate organic compound.

IIT-JEE 2011 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 21 English Comprehension

The structure of the compound Q is

A
IIT-JEE 2011 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 21 English Option 1
B
IIT-JEE 2011 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 21 English Option 2
C
IIT-JEE 2011 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 21 English Option 3
D
IIT-JEE 2011 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 21 English Option 4
2
IIT-JEE 2009 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-0

Match each of the compounds given in Column I with the reaction(s), that they can undergo, given in Column II.

Column I Column II
(A) IIT-JEE 2009 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 14 English 1 (P) Nucleophilic substitution
(B) IIT-JEE 2009 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 14 English 2 (Q) Elimination
(C) IIT-JEE 2009 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 14 English 3 (R) Nucleophilic addition
(D) IIT-JEE 2009 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 14 English 4 (S) Esterification with acetic anhydride
(T) Dehydrogenation

A
(A)$$\to$$ (Q), (T); (B)$$\to$$(P), (Q), (T); (C)$$\to$$(P), (S); (D)$$\to$$(P)
B
(A)$$\to$$(P), (T); (B)$$\to$$ (S), (T); (C)$$\to$$(R), (S); (D)$$\to$$(S)
C
(A)$$\to$$(S), (Q), (T); (B)$$\to$$(P), (Q), (T); (C)$$\to$$(R), (S); (D)$$\to$$(T)
D
(A)$$\to$$(P), (Q), (T); (B)$$\to$$(P), (S), (T); (C)$$\to$$(R), (S); (D)$$\to$$(P)
3
IIT-JEE 2009 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

A carbonyl compound P, which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin Q. Ozonolysis of Q leads to a dicarbonyl compound R, which undergoes intramolecular aldol reaction to give predominantly S.

IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 16 English Comprehension

The structure of the carbonyl compound P is

A
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 16 English Option 1
B
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 16 English Option 2
C
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 16 English Option 3
D
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 16 English Option 4
4
IIT-JEE 2009 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

A carbonyl compound P, which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin Q. Ozonolysis of Q leads to a dicarbonyl compound R, which undergoes intramolecular aldol reaction to give predominantly S.

IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 17 English Comprehension

The structures of the products Q and R, respectively, are

A
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 17 English Option 1
B
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 17 English Option 2
C
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 17 English Option 3
D
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 17 English Option 4
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