HSC Science (Electronics) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions

Choose the most correct option.

The oxidation state of cobalt ion in the complex [Co(NH₃)₅ Br]SO₄ is __________.

Answer the following in one or two sentences.

What is the shape of a complex in which the coordination number of the central metal ion is 4?

Write the structure and IUPAC name of the major product in the following reaction.

\[\begin{array}{cc}
\ce{CH3 - CH - CH2Cl + NaI ->[Acetone]}\\
|\phantom{..................}\\
\ce{CH3\phantom{...............}}
\end{array}\]

Write the structure and IUPAC name of the major product in the following reaction.

\[\ce{CH3 - CH2Br + SbF3 ->}\]

Write the structure and IUPAC name of the major product in the following reaction.

\[\begin{array}{cc}
\ce{CH3 - CH - CH = CH2 + HBr ->[peroxide]}\\
|\phantom{........................}\\
\ce{CH3\phantom{.....................}}
\end{array}\]

Write the structure and IUPAC name of the major product in the following reaction.

Write the structure and IUPAC name of the major product in the following reaction.

Give reason:

Alkyl halides are generally not prepared by free radical halogenation of alkanes.

Convert the following:

But-1-ene to n-butyl iodide

Resorcinol on distillation with zinc dust gives _________.

Write structural formulae for 3-Methoxyhexane

Write structural formulae for Methyl vinyl ether.

Write structural formulae for 1-Ethylcyclohexanol.

Write structural formula for pentane-1,4-diol.

Write structural formulae for Cyclohex-2-en-1-ol.

Write IUPAC name of the following

Write IUPAC name of the following

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

Write IUPAC names of the following

Write IUPAC names of the following

Choose the most correct option.

The hybridisation of nitrogen in primary amine is ____________.