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An alkene "A" on reaction with $O_3$ and $Zn-H_2O$ gives propanone and ethanal in equimolar ratio. Addition of $HCl$ to alkene "A" gives "B" as the major product. The structure of product "B" is:

The most acidic compound among the following is:

In the hydrocarbon $\overset{6}{C}H_3-\overset{5}{C}H=\overset{4}{C}H-\overset{3}{C}H_2-\overset{2}{C}\equiv\overset{1}{C}H$, the state of hybridisation of carbons 1, 3 and 5 are in the following sequence:

The products A and B in the following reaction sequence are :

The orbital angular momentum of a p-electron is given as:

Fructose reduces Tollen's reagent due to:

Which of the following links amino acids together in a protein?

On electrolysis of dil. sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be

The calculated spin only magnetic moment of $Cr^{2+}$ ion is

An element X has the following isotopic composition: $^{200}$X: 90% $^{199}$X: 8.0% $^{202}$X: 2.0% The weighted average atomic mass of the naturally-occurring element X is closest to:

Aniline gives a set of the following reactions that yielded a coloured product 'Y'. The structure of 'Y' is: (Note: Reaction scheme is missing from the provided text)

For the reaction, $2\text{Cl}(g) \rightarrow \text{Cl}_2(g)$, the correct option is :

Match the following : Oxide Nature (a) $CO$ (i) Basic (b) $BaO$ (ii) Neutral (c) $Al_2O_3$ (iii) Acidic (d) $Cl_2O_7$ (iv) Amphoteric is correct option?

Cheilosis occurs due to the deficiency of:

RNA and DNA are chiral molecules, their chirality is due to:

The reaction can be classified as:

Which amine gives the carbylamine test?

Sucrose on hydrolysis gives:

Which of the following metal ions activates many enzymes participating in the oxidation of glucose to produce ATP and with Na it is also responsible for the transmission of nerve signals:

A reaction between acetone and methylmagnesium chloride followed by hydrolysis will give: