HSC Science (General) ११ वीं कक्षा - Maharashtra State Board Question Bank Solutions

Write the outer electronic configuration of the following using the orbital notation method. Justify.

Po (belongs to period 6 and group 16)

Answer the following.

La belongs to group 3 while Hg belongs to group 12 and both belong to period 6 of the periodic table. Write down the general outer electronic configuration of the ten elements from La to Hg together using the orbital notation method.

Write the outer electronic configuration of the following using the orbital notation method. Justify.

Cu (belongs to period 4 and group 11)

Find out all the functional groups present in the following polyfunctional compound.

Thyroxine, the principal thyroid hormone.

Find out all the functional groups present in the following polyfunctional compound.

Penicillin G, a naturally occurring antibiotic.

Identify primary, secondary, tertiary, and quaternary carbon in the following compound.

\[\begin{array}{cc}\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\|\phantom{.....}|\phantom{................}\\
\ce{CH3}\phantom{.}\ce{CH3}\phantom{..............}
\end{array}\]

Identify primary, secondary, tertiary and quaternary carbon in the following compound.

Answer the following question.

The electronic configuration of some element is given below:

1s² 2s² 2p⁶

In which group and period of the periodic table the element is placed?

Answer the following question.

The electronic configuration of some element is given below:

1s²

In which group and period of the periodic table the element is placed?

What is meant by homologous series?

Write the first four members of the homologous series that begins with CH₃CHO. Also, write down their general molecular formula.

Write the first four members of the homologous series that begins with H-C≡C-H. Also, write down their general molecular formula.

Answer the following question.

For s-block and p-block elements show that the number of valence electrons is equal to its group number.

Consider the oxides Li₂O, CO₂, B₂O₃.

Which oxide would you expect to be the most basic?

Consider the oxides Li₂O, CO₂, B₂O₃.

Which oxide would be the most acidic?

Consider the oxides Li₂O, CO₂, B₂O₃.

Give the formula of an amphoteric oxide.

Choose the correct option.

Thallium shows different oxidation state because __________

Identify the group 14 element that best fits the following description.

Nonmetallic element

Identify the group 14 element that best fits the following description.

Form the most acidic oxide

Identify the group 14 element that best fits the following description.

They prefer the +2 oxidation state.