In the given equations (Note: equations are not balanced):
\(Zn + Conc. HNO_3 \rightarrow Zn(NO_3)_2 + x + H_2O\)
\(Zn + Dil. HNO_3 \rightarrow Zn(NO_3)_2 + y + H_2O\)
The compounds \(x\) and \(y\) respectively are:

Rate of a reaction changes from \(2.48 \times 10^{-3}\text{ mol}^{-1}\text{ sec}^{-1}\) to \(4.96 \times 10^{-3}\text{ mol}^{-1}\text{ sec}^{-1}\) when concentration of reactant, is changed from \(0.6\text{ M}\) to \(2.4\text{ M}\) respectively, the order of reaction is :

Which of the following statement is NOT correct?
(A) Copper liberates hydrogen from acids.
(B) In its higher oxidation states Manganese forms stable compounds with oxygen and fluorine.
(C) \(\text{Mn}^{3+}\) and \(\text{Co}^{3+}\) are oxidising agents in aqueous solution.
(D) \(\text{Ti}^{2+}\) and \(\text{Cr}^{2+}\) are reducing agents in an aqueous solution.
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What is the structural formula for Freon-12.

From the statements given below, choose the correct statement regarding the galvanic cell.

Match List I with List II:

List-I	List-ll
A. \(Fe ^{2+}\)	I. 2.84 BM
B. \(Ni ^{2+}\)	II. 0.00 BM
C. \(Mn ^{2+}\)	III. 4.90 BM
D. \(Zn ^{2+}\)	IV. 5.92 BM

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Answer the question on the basis of passage given below :
Living systems are made up of various complex bio-molecules like carbohydrates, proteins, nucleic acids, lipids etc. Proteins and carbohydrates are essential constituents of our food. Carbohydrates are primarily produced by plants and form a very large group of naturally occurring organic compounds. Some common examples are cane sugar, glucose, starch etc.
Match List I with List II

LIST I	LIST II
A. Carbohydrates	I. Amide linkage
B. Proteins	II. Ester linkage
C. Nucleic acids	III. Ether linkage
D. Lipids	IV. phosphodiester linkage

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Which of the following reactions will give n-Propanol as a product?
(A) Hydroboration oxidation of Propene
(B) Reduction of propanal with Palladium as a catalyst
(C) Reaction of Formaldehyde with Ethylmagnesiumbromide followed by hydrolysis
(D) Acid catalyzed hydration of propene
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Arrange the following in increasing order of their basic strength in aqueous phase :
(A) \(CH_{3}NH_{2}\)
(B) \(C_{6}H_{5}CH_{2}NH_{2}\)
(C) \(C_{6}H_{5}NH_{2}\)
(D) \((CH_{3})_{3}N\)
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The number of all onto functions from the set \(\{1,2, \ldots, n\}\) to itself is

"Answer the question on basis of passage given below :
Carboxylic acids are weaker than mineral acids, but they are stronger acids than alcohols and many simple phenols (\(\text{pKa}\) is ~ 16 for ethanol and 10 for phenol). The higher acidity of carboxylic acids as compared to phenols can be understood similarly. The conjugate base of carboxylic acid, a carboxylate ion, is stabilised by two equivalent resonance structures in which the negative charge is at the more electronegative oxygen atom. The conjugate base of phenol, a phenoxide ion, has non-equivalent resonance structures in which the negative charge is at the less electronegative carbon atom. Further, the negative charge is delocalised over two electronegative oxygen atoms in carboxylate ion whereas it is less effectively delocalised over one oxygen atom and less electronegative carbon atoms in phenoxide ion. Thus, the carboxylate ion is more estabilised than phenoxide ion, so carboxylic acids are more acidic than phenols.
Effect of substituents on the acidity of carboxylic acids: substituents may affect the stabliity of the conjugate base and thus, also affect the acidity of the carboxylic acids. Electron withdrawing group increase the acidity of carboxylic acids by stabilising the conjugate base through delocalisation of the negative charge by inductive and/or resonance effects. Conversely, electron donating groups decrease the acidity by destabilising the conjugate base.
The weakest among the following acid is :"

The reverse osmosis occurs when

Match List-I with List-II

List-I (Enzymes)	List-II (Products)
(A) RNA polymerase I	(I) hnRNA
(B) RNA polymerase III	(II) hydrolysis of lactose
(C) RNA polymerase II	(III) rRNA
(D) \( eta\)-galactosidase	(IV) tRNA, 5SrRNA, snRNA

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