HSC Science Class 11 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Chemistry

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:

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

Bhopal Gas Tragedy is a case of ________.

Haemoglobin of the blood forms carboxy haemoglobin with ______.

Which sequence for green house gases is based on GWP?

Photo chemical smog formed in congested metropolitan cities mainly consists of ______.

The pH of normal rain water is ______.

Living in the atmosphere of CO is dangerous because it ______.

Release of oxides of nitrogen and hydrocarbons into the atmosphere by motor vehicles is prevented by using ______.

Biochemical oxygen Demand value less than 5 ppm indicates a water sample to be ______.

Match the List I with List II and select the correct answer using the code given below the lists.