Hydrocarbons

Consider the following reaction scheme and choose the correct option(s) for the major products Q, R and S.

The major products obtained from the reactions in List-II are the reactants for the named reactions mentioned in List-I. Match List-I with List-II and choose the correct option.

The reaction of 4-methyloct-1-ene (P, 2.52 g) with HBr in the presence of $\ce{(C6H5CO)2O2}$ gives two isomeric bromides in a 9 : 1 ratio, with a combined yield of 50%. Of these, the entire amount of the primary alkyl bromide was reacted with an appropriate amount of diethylamine followed by treatment with aq. $\ce{K2CO3}$ to give a non-ionic product S in 100% yield.

The mass (in mg) of S obtained is _____.

[Use molar mass (in $\mathrm{g\,mol^{-1}}$): H = 1, C = 12, N = 14, Br = 80]

If the reaction sequence given below is carried out with 15 moles of acetylene, the amount of the product D formed (in g) is _____.

The yields of A, B, C and D are given in parentheses.
[Given: Atomic mass of H = 1, C = 12, O = 16, Cl = 35]

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

The number of $-\mathrm{CH_2}-$ (methylene) groups in the product formed from the following reaction sequence is ________.

The total number of chiral molecules formed from one molecule of $\mathbf{P}$ on complete ozonolysis $(\ce{O3}, \ce{Zn/H2O})$ is ________.

Considering the following reaction sequence, the correct statement(s) is(are)

If a rocket runs on a fuel ($\mathrm{C_{15}H_{30}}$) and liquid oxygen, the weight of oxygen required and $\mathrm{CO_2}$ released for every litre of fuel respectively are :

(Given : density of the fuel is 0.756 g/mL)

In the given reaction sequence, the major product 'C' is :
$$\mathrm{C_8H_{10}\xrightarrow[H_2SO_4]{HNO_3}A\xrightarrow[\Delta]{Br_2}B\xrightarrow[KOH]{alcoholic}C}$$

The major product 'A' of the following given reaction has ______ $sp^2$ hybridized carbon atoms.
$$\text{2,7-Dimethyl-2,6-octadiene}\xrightarrow{\mathrm{H^+}}\underset{\text{Major Product}}{\mathrm A}$$

Given below are two statements.

Statement I: The presence of weaker $\pi$-bonds make alkenes less stable than alkanes.

Statement II: The strength of the double bond is greater than that of carbon-carbon single bond.

In the light of the above statements, choose the correct answer from the options given below.

Which of the following reagents / reactions will convert 'A' to 'B'?

The product formed in the following reaction.
$$\mathrm{(CH_3)_2C=CH_2+H\text{-}C(CH_3)_3\xrightarrow{H^\oplus}\ ?}$$
is :

Number of grams of bromine that will completely react with 5.0 g of pent-1-ene is ______ $\times10^{-2}$ g. (Atomic mass of Br = 80 g/mol) [Nearest integer]

Amongst the following, the major product of the given chemical reaction is

Compound 'P' on nitration with dil. $\mathrm{HNO_3}$ yields two isomers (A) and (B). These isomers can be separated by steam distillation. Isomers (A) and (B) show the intramolecular and intermolecular hydrogen bonding respectively. Compound (P) on reaction with conc. $\mathrm{HNO_3}$ yields a yellow compound 'C', a strong acid. The number of oxygen atoms is present in compound 'C' ______.

The major product in the following reaction is

Halogenation of which one of the following will yield m-substituted product with respect to methyl group as a major product?

'A' and 'B' respectively are :
$$\mathrm A\xrightarrow[(2)\ \mathrm{Zn\text{-}H_2O}]{(1)\ \mathrm O_3}\text{Ethane-1,2-dicarbaldehyde}+\text{Glyoxal/Oxaldehyde}$$
$$\mathrm B\xrightarrow[(2)\ \mathrm{Zn\text{-}H_2O}]{(1)\ \mathrm O_3}\text{5-oxohexanal}$$