Alkynes

Treatment of buta-1,3-diyne with $\ce{NaNH2}$ (2 equivalents), followed by reaction with excess of trans-$\ce{CH3-CH=CH-CH2-Br}$ gives X as the major product. The maximum number of carbon atoms that are collinear (in a straight line) in X is ____.

Compound (X) is subjected to the sequence of reactions as shown above. Molar mass of the major product (Y) formed is ________ g mol$^{-1}$.
(Given molar mass in g mol$^{-1}$ C:12, H: 1, O: 16)

'$x$' is the product which is obtained by the hydrolysis of prop-1-yne in the presence of mercuric sulphate under dilute acidic medium at 333 K. '$y$' is the product which is obtained by the reaction of ethane nitrile with methyl magnesium bromide in dry ether followed by hydrolysis. IUPAC name of product obtained from '$x$' and '$y$' in the presence of barium hydroxide followed by heating is :

An optically active alkyl bromide $\ce{C4H9Br}$, reacts with ethanolic KOH to form major compound [A] which reacts with bromine to give compound [B]. Compound [B] reacts with ethanolic KOH and sodamide to give compound [C]. One molecule of water adds to compound [C] on warming with mercuric sulphate and dilute sulphuric acid at 333 K to form compound [D]. The functional group in compound D will be confirmed by :

Monocyclic compounds P, Q, R and S are the major products formed in the reaction sequences given below.

The product having the highest number of unsaturated carbon atom(s) is

In the following reaction sequence, the major product P is formed.

$$\ce{H-C#C-(CH2)15-CO2Et ->[\text{i) } Hg^{2+}, H3O+][\text{ii) Zn-Hg/HCl; iii) } H3O+, \Delta] P}$$

Glycerol reacts completely with excess P in the presence of an acid catalyst to form Q. Reaction of Q with excess NaOH followed by the treatment with $\ce{CaCl2}$ yields Ca-soap R, quantitatively. Starting with one mole of Q, the amount of R produced in gram is _____.

[Given, atomic weight: H = 1, C = 12, N = 14, O = 16, Na = 23, Cl = 35, Ca = 40]

The option(s) with correct sequence of reagents for the conversion of P to Q is(are)

The number of isomeric tetraenes (NOT containing $sp$-hybridized carbon atoms) that can be formed from the following reaction sequence is ________.

What will be the major product of following sequence of reactions?
$$\text{n-Bu}\text{-}\mathrm{C{\equiv}CH}\xrightarrow[\text{(ii) Lindlar cat, H}_2]{\text{(i) n-BuLi, n-C}_5\text{H}_{11}\text{Cl}}$$

In bromination of Propyne, with Bromine 1, 1, 2, 2-tetrabromopropane is obtained in 27% yield. The amount of 1, 1, 2, 2-tetrabromopropane obtained from 1 g of Bromine in this reaction is _______ $\times10^{-1}$ g. (Nearest integer)

(Molar Mass : Bromine = 80 g/mol)

The major product formed in the following reaction is

The value of $\mathbf x$ is ____.

The value of $\mathbf y$ is ____.

Consider the following transformations of a compound P.

Choose the correct option(s).

Choose the correct option(s) that give(s) an aromatic compound as the major product

Choose the correct option(s) for the following reaction sequence

Consider Q, R and S as major products

Total number of hydroxyl groups present in a molecule of the major product P is ______

The reaction(s) leading to the formation of 1,3,5-trimethylbenzene is (are)

Compound X is

The major compound Y is