Hydrocarbons PYQs - Last 10 Years

Given below are two statements :
Statement I : trans-But-2-ene upon treatment with $\mathrm{Br}_2$ in $\mathrm{CCl}_4$ gives the following product.

$$ \text { Statement II : cis-But-2-ene upon treatment with alkaline } \mathrm{KMnO}_4 \tex...

Consider the following reaction sequences and choose the correct option.

Among the following, the compound having conjugated double bonds is

The number of chlorine atoms present in the organic products $X$ and $Y$ of the following reactions, respectively, are :

Which one of the following compounds does not decolourize bromine water?

Predict the major product ' $P$ ' in the following sequence of reactions-

Which one of the following reactions does NOT give benzene as the product?

The alkane that can be oxidized to the corresponding alcohol by KMnO\(_4\) as per the equation

is, when :

Given below are two statements:
Statement I: Propene on treatment with diborane gives an addition product with the formula

Statement II: Oxidation of

with hydrogen peroxide in presence of \(\mathrm{NaOH}\) gives propan-2ol.
In the light o...

Identify product \((\mathrm{A})\) is the following reaction :

The incorrect method for the synthesis of alkenes is

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

The decreasing order of boiling points of the following alkanes is :
(a) heptane
(b) butane
(c) 2-methylbutane
(d) 2-methylpropane
(e) hexane
Choose the correct answer from the options given below :

The correct structure of 2, 6-dimethyl-dec-4-ene is

As alkene on ozonolysis gives methanal as one of the product, Its structure is :

An alkene “A” on reaction with O3 and Zn + H2O 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 :

Among the following, the reaction that proceeds through an electrophilic substitution, is :

The most suitable reagent for the following conversion, is :

Hydrocarbon (A) reacts with bromine by
substitution to form an alkyl bromide which by
Wurtz reaction is converted to gaseous
hydrocarbon containing less than four carbon
atoms. (A) is

Which one is the correct order of acidity?

With respect to the conformers of ethane, which of the following statements is true?

Predict the correct intermediate and product in the following reaction :
$${H_3}C - C \equiv CH\mathrel{\mathop{\kern0pt\longrightarrow}
\limits_{HgS{O_4}}^{{H_2}O,{H_2}S{O_4}}} \mathop {Intermediate}\limits_{(A)} \to \mathop {\Pr oduct}\l...