1
IIT-JEE 2009 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

The correct statement(s) about the following sugar X and Y is(are)

IIT-JEE 2009 Paper 2 Offline Chemistry - Biomolecules Question 3 English 1IIT-JEE 2009 Paper 2 Offline Chemistry - Biomolecules Question 3 English 2

A
X is a reducing sugar and Y is a non-reducing sugar.
B
X is a non-reducing sugar and Y is a reducing sugar.
C
The glucosidic linkages in X and Y are $$\alpha$$ and $$\beta$$, respectively.
D
The glucosidic linkages in X and Y are $$\beta$$ and $$\alpha$$, respectively.
2
IIT-JEE 2009 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-0

Match each of the reactions given in Column I with the corresponding product(s) given in Column II:

Column I Column II
(A) $$\mathrm{Cu+dil.~HNO_3}$$ (P) $$\mathrm{NO}$$
(B) $$\mathrm{Cu+conc.~HNO_3}$$ (Q) $$\mathrm{NO_2}$$
(C) $$\mathrm{Zn+dil.~HNO_3}$$ (R) $$\mathrm{N_2O}$$
(D) $$\mathrm{Zn+conc.~HNO_3}$$ (S) $$\mathrm{Cu(NO_3)_2}$$
(T) $$\mathrm{Zn(NO_3)_2}$$

A
(A)$$\to$$(P), (S); (B)$$\to$$(R), (S); (C)$$\to$$(R), (T); (D)$$\to$$(R), (T)
B
(A)$$\to$$(T), (S); (B)$$\to$$(P), (S); (C)$$\to$$(R), (T); (D)$$\to$$(S), (T)
C
(A)$$\to$$(P), (S); (B)$$\to$$(Q), (S); (C)$$\to$$(R), (T); (D)$$\to$$(Q), (T)
D
(A)$$\to$$(R), (S); (B)$$\to$$(Q), (S); (C)$$\to$$(R), (T); (D)$$\to$$(S), (T)
3
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 8 English 1 (P) Nucleophilic substitution
(B) IIT-JEE 2009 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 8 English 2 (Q) Elimination
(C) IIT-JEE 2009 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 8 English 3 (R) Nucleophilic addition
(D) IIT-JEE 2009 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 8 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)
4
IIT-JEE 2009 Paper 2 Offline
Numerical
+3
-1

In a constant volume calorimeter, 3.5 g of a gas with molecular weight 28 was burnt in excess oxygen at 298.0 K. The temperature of the calorimeter was found to increase from 298.0 K to 298.45 K due to the combustion process. Given that the heat capacity of the calorimeter is 2.5 kJ K$$^{-1}$$, the numerical value for the enthalpy of combustion of the gas in kJ mol$$^{-1}$$ is ____________.

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