HSC Science कक्षा ११ - Tamil Nadu Board of Secondary Education Question Bank Solutions

Define Normality.

What is molal depression constant? Does it depend on nature of the solute?

A sample of 12 M Concentrated hydrochloric acid has a density 1.2 M gL^-1 calculate the molality.

Explain the covalent character in ionic bond.

The compound that will react most readily with gaseous bromine has the formula (NEET) ______.

Which among the following alkenes on reductive ozonolysis produces only propanone?

Peroxide effect (Kharasch effect) can be studied in case of ______.

Give IUPAC name for the following compound.

\[\ce{CH3 –CH=CH–CH=CH–C≡C–CH3}\]

Give IUPAC name for the following compound.

\[\begin{array}{cc}\ce{C2H5}\phantom{.}\ce{CH3}\phantom{.......}\\|\phantom{.....}|\phantom{.........}\\
\ce{CH3 - C - C - C ≡ C - CH3}\\
|\phantom{.....}|\phantom{.........}\\
\ce{CH3}\phantom{..}\ce{H}\phantom{.........}
\end{array}\]

Give IUPAC name for the following compound.

\[\ce{(CH3)3 C – C ≡ C – CH (CH3)2}\]

An alkyl halide with molecular formula C₆H₁₃Br on dehydro halogenation gave two isomeric alkenes X and Y with molecular formula C₆H₁₂. On reductive ozonolysis, X and Y gave four compounds CH₃COCH₃, CH₃CHO, CH₃CH, CHO and (CH₃)₂ CHCHO. Find the alkyl halide.

Explain Markow nikoff’s rule with suitable example.

Complete the following:

\[\ce{2 - butyne ->[Lindlar Catalyst]}\]

Complete the following:

\[\ce{CaC2 ->[H2O]}\]

Of the following compounds, which has the highest boiling point?

With respect to the position of – Cl in the compound CH₃ – CH = CH – CH₂ – Cl, it is classified as ______.

Benzene reacts with Cl₂ in the presence of FeCl₃ and in absence of sunlight to form ______.

Match the compounds given in Column I with suitable items given in Column II.

The most easily hydrolysed molecule under SN¹ condition is ______.

Which one of the following is most reactive towards nucleophilic substitution reaction?