Chemistry
Hydrocarbons
Previous Years Questions

## Numerical

The number of isomeric tetraenes (NOT containing $s p$-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 $\left(\mathrm{O}_{3}, \mathrm{Zn} / \mathrm{H}_{... If the reaction sequence given below is carried out with 15 moles of acetylene, the amount of the product$\mathbf{D}$formed (in$\mathrm{g}\$ ) is __...
Total number of hydroxyl groups present in a molecule of the major product P is .................
Among the following, the number of aromatic compound(s) is ...

## MCQ (More than One Correct Answer)

Considering the following reaction sequence, the correct statement(s) is(are) ...
Choose the correct option(s) that give(s) an aromatic compound as the major product.
Among the following reaction(s), which gives(give) tert-butyl benzene as the major product is(are)
In the following reactions, the product S is ...
In the following reactions Compound X is...
In the following reactions The major compound Y is...
Among P, Q, R and S, the aromatic compound(s) is(are) ...
Which of the following molecules, in pure form, is(are) unstable at room temperature?

Among the following, the conformation that corresponds to the most stable conformation of meso-butane-2,3-diol is
In allene (C3H4), the type(s) of hybridisation of the carbon atoms is (are):
The synthesis of 3-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and and alkyne

## Subjective

n-Butane is produced by the monobromination of ethane followed by the Wurtz reaction. Calculate the volume of ethane at NTP required to produce 55 g n...
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