HSC Science (Electronics) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions for Chemistry

Write a chemical equation for the action of neutral ferric chloride on phenol.

Draw the structures of adenine.

How can the following conversions be brought about:

Chlorobenzene to phenol

What are isotonic solutions? Explain with one example.

A compound used as pistachio flavour in ice cream is ___________

A compound used as pistachio flavour in ice cream is ___________

Oxidation states of scandium are ___________.

In Van Arkel method for refining zirconium or titanium, the halogen used is __________.

Write the molecular formula of noverstrol.

Write the number of hydroxyl groups present in α - D (+) -Glucopyranose (trans.)

What are ethers?

How many faradays of electricity are required to produce 6 g of Mg from MgCl₂?

Derive van’t Hoff general solution equation.

Write the conditions for maximum work done by the system.

Write balanced chemical equation for the following :
Action of sodium metal on ethanol.

What is effective atomic number? Calculate effective atomic number of copper  ( Z = 29 ) in (Cu ( NH₃)₄)²⁺

Define Enantiomers.

Define Enantiomers.

Explain the position of actinoids in the periodic table.
What is the action of sulphur on lanthanoids? Calculate the magnetic moment of divalent ion in aqueous solution it its atomic number is 24.

Explain the following properties of group 16 elements :
1) Electro negativity
2) Melting and boiling points
3) Metallic character
4) Allotropy