HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

Complete the reaction:

\[\ce{CH3CH2Cl ->[AgCN][alc.\Delta]}\] ?

Arrange the following in the increasing order of the property mentioned:

\[\ce{HOCl}\], \[\ce{HClO2}\], \[\ce{HClO3}\], \[\ce{HClO4}\] (acidic strength)

Arrange the following in the increasing order of the property mentioned:

\[\ce{HF}\], \[\ce{HCl}\], \[\ce{HBr}\], \[\ce{HI}\] (thermal stability)

Predict the type of cubic lattice of a solid element having edge length of 400 pm and density is 6.25 g/ml.
(Atomic mass of element = 60)

Define pH.

Derive the relationship between pH and pOH.

Define pOH.

Complete the following reaction, giving a major product.

\[\begin{array}{cc}
\ce{CH3}\phantom{................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether] A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{................}
\end{array}\]

Define pH.

Define pOH.

Derive a relationship between pH and pOH.

Define p^H.

Define pH.

Define pOH.

Derive relationship between pH and pOH.

Identify the chiral molecule from the following.

Complete the following reaction giving major product.

\[\begin{array}{cc}
\ce{CH3}\phantom{...............}\\
|\phantom{..................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether]A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{.................}
\end{array}\]

Define pH.

Derive relationship between pH and pOH.

Define pH.