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

Change in internal energy, when 4 kJ of work is done on the system and 1 kJ of heat is given out by the system is

The temperature of the system, decreases in an ___________.

In an isothermal reversible compression of an ideal gas the sign of q, ∆S and w are respectively

Explain intensive properties with two examples.

Define the following term:

Adiabatic process

Define the following term:

Isobaric process

Define the following term:

Isochoric process

List the characteristics of internal energy.

Calculate the work involved in the expansion and compression process.

Calculate the work done when 2 moles of an ideal gas expands reversibly and isothermally from a volume of 500 ml to a volume of 2 L at 25°C and normal pressure.

Structure of the compound whose IUPAC name is 5, 6 – dimethylhept - 2 - ene is

How many cyclic and acyclic isomers are possible for the molecular formula C₃H₆O?

Give the general characteristics of organic compounds.

Describe the classification of organic compounds based on their structure.

Write a note on homologous series.

Write the molecular formula and possible structural formula of the first four members of homologous series of carboxylic acids.

Write the molecular formula of the first six members of homologous series of nitro – alkanes.

Give example for the following type of organic reaction.

Electrophilic substitution

\[\ce{C2H5Br + 2Na ->[dry ether]C4H10 + 2NaBr}\]

The above reaction is an example of which of the following.

In the following reaction,

The major product obtained is