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Given below are two statements: Statement I: A unit formed by the attachment of a base to 1' position of sugar is known as a nucleoside. Statement II: When nucleoside is linked to a phosphorous acid at 5' position of sugar moiety, we get nucleotide. In the light of the above statements choose the correct answer from the options given below:
Which of the following is the most reactive towards nucleophilic addition reaction?
The reactant 'A' in the below-mentioned reaction is:
When m-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) obtained is (are):
In a set of the given reactions, acetic acid yielded a product C: $$CH_3COOH + PCl_5 \rightarrow A \xrightarrow[Anh. AlCl_3]{C_6H_6} B \xrightarrow[ether]{C_2H_5MgBr} C$$ Product C would be:
Half-life of a radioactive sample is 4 days. After 16 days what quantity of matter remains undecayed?
The correct IUPAC name of the following compound is:
Which of the following compounds has a higher basic character than aniline?
Match Column-I (Reaction) with Column-II (Product formed) and mark the appropriate choice: **Column-I (Reaction)** (a) Gabriel synthesis (b) Kolbe synthesis (c) Williamson synthesis (d) Etard reaction **Column-II (Product formed)** (i) Benzaldehyde (ii) Ethers (iii) Primary amines (iv) Salicylic acid
Given below are two statements: **Statement I:** Aldehydes and ketones having at least one $\alpha$-hydrogen undergo aldol condensation in the presence of dilute alkali as catalyst. **Statement II:** When aldol condensation is carried out between two different aldehydes, it is called cross aldol condensation. Ketones do not give this reaction. In light of the above statements, choose the most appropriate answer from the options given below:
Identify the product in the following reaction: [Reaction Scheme Missing]
The difference between amylose and amylopectin is:
Which structure(s) of proteins remains(s) intact during denaturation process?
At a point A on the earth's surface the angle of dip, $\delta = +25^{\circ}$. At a point B on the earth's surface the angle of dip, $\delta = -25^{\circ}$. We can interpret that:
For the second period elements the correct increasing order of first ionisation enthalpy is:
Cyanohydrin of which of the following compounds on hydrolysis gives an optically active product?
Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating?
In a reaction of aniline a coloured product C was obtained. The structure of C would be:
The correct statement regarding the basicity of arylamines is:
Which one of the following polymers is prepared by addition polymerisation?