The correct order for increasing the boiling point of hydrides (given below) of group 15 is:
(A) \(NH _3\)
(B) \(PH _3\)
(C) \(AsH _3\)
(D) \(SbH _3\)
(E) \(BiH _3\)
Choose the correct answer from the options given below :

Basic hydrolysis of esters produces :

Arrange the following in the increasing order of their solubility in n-octane on the basis of their solute-solvent interaction:
(A) KCI
(B) CH3OH
(C) CH3CN
(D) Cyclohexane
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Carbohydrates such as cane sugar, glucose, starch etc. belong to a class of naturally occurring organic compounds. Structurally these are polyhydroxy aldehydes or ketones or the compounds which produce such units on hydrolysis. Carbohydrates which are sweet in taste are called sugars. Theses sugars can be reducing or non-reducing. Monosaccharides cannot be hydrolyzed to simpler units whereas Oligosaccharides yield two to ten monosaccharide units on hydrolysis. Polysaccharides yield large number of monosaccharide units on hydrolysis. This class of biomolecules is essential for living systems as they serve as storage molecules in plants and animals. In addition, they provide raw materials for important industries like furniture, textiles, paper, lacquers and breweries. Two aldopentose form important constituents of nucleic acids. Carbohydrates are also called saccharides (Greek: sakcharon which means sugar). Sugar which is used in household and in milk also comes under this class of biomolecules.
Reducing sugars respond to

The product, when an alcoholic solution of sucrose is boiled with dilute hydrochloric acid or sulphuric acid is/are

The freezing point of an aqueous solution containing 23 g of \(C _2 H _5 OH\) in 1000 g of water, is
(Given \(K_f\) for water \(\left.=1.86 K kg mol ^{-1}\right)\)

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Aldehydes, carboxylic acids and ketones are widespread in the animal and plant kingdoms. They play a pivotal role in various biochemical processes of life. Their presence in nature adds fragrance and flavor. These compounds are widely used in food products, pharmaceuticals, paints, resins and other important product industries. These compounds are prepared by various laboratory methods, which mainly include oxidation, formylation, acylation and reduction. Due to the polar nature of the carbonyl group in aldehydes and ketones, they can exhibit different reactions like nucleophilic addition. They do exhibit redox and various condensation reactions which lead to the formation of various important compounds. On the other hand, the carboxylic acids are mainly prepared by oxidation and hydrolysis of different compounds. The carboxylic acid consists of a carbonyl group and the hydroxy group (attached to the carbonyl carbon atom). This makes it possible for the carboxylic acid to participate in various chemical reactions which involve cleavage of the C-OH bond and the O-H bond along with the reactions involving the complete - COOH group.
The IUPAC name of following compound is \(OHC-C_6H_4-CHO-p\)

Identify curative method (s) used to treat ADA deficiency disease in human.
A. Gene Therapy
B. Bone Marrow Transplantation
C. Complete Blood Replacement
D. Enzyme Replacement Therapy
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The molality of a solution made by dissolving 2.5 g of ethanoic acid (CH₃COOH) in 75 g of benzene is :

The role of restriction enzyme in recombinant DNA technology is:

If \(f(x)=x^3 e^{-x}\), then the value of \(f^{\prime \prime}(1)\) is equal to

If \(A=\left[\begin{array}{ll}5 & 3 \\ 2 & 4\end{array}\right]\) then the matrix \(A^2-6 A+14 I\) (where \(I\) is an identity matrix of order 2 )

Consider the LPP, Max Z = x + y subject to the conditions
\(x+y \leq 3, \quad x-y \geq 1, \quad x \geq 0, y \geq 0\),
then which of the following is not the corner point of the feasible region of above LPP.