HSC Science (General) 11th Standard - Maharashtra State Board Question Bank Solutions for Chemistry

Write the balanced chemical reaction for preparation of ethane from Ethyl bromide. 

Write the balanced chemical reaction for preparation of ethane from Ethyl magnesium iodide.

Write the balanced chemical reaction for preparation of ethane from Ethyl bromide.

Write the balanced chemical reaction for preparation of ethane from Ethyl magnesium iodide.

Arrange the three isomers of alkane with molecular formula C₅H₁₂ in increasing order of boiling points and write their IUPAC names.

How many monochlorination product is possible for 2-methylbutane? Draw their structures and write their IUPAC names.

How many monochlorination product is possible for 2-methylpropane? Draw the structure and write the IUPAC name.

How many monochlorination product is possible for 2-methylpropane? Draw their structure and write their IUPAC name.

Arrange the three isomers of alkane with malecular formula \[\ce{C5H12}\] in increasing order of boiling points and write their IUPAC names. 

Arrange the three isomers of alkane with malecular formula \[\ce{C5H12}\] in increasing order of boiling points and write their IUPAC names.

How many monochlorination products are possible for 2-methylbutane ? Draw their structures and write their IUPAC names.

Write the balanced chemical reaction for preparation of ethane from Ethyl bromide.

Write the balanced chemical reaction for preparation of ethane from Ethyl magnesium iodide.

How many monochlorination products are possible for 2-methylpropane? Draw their structures and write their IUPAC names.

Explain the following.

Standard reduction potential of alkali metals have high negative values.

Explain the following.

Sodium dissolves in liquid ammonia to form a solution which shows electrical conductivity.

Explain the following.

BeCl₂ is covalent while MgCl₂ is ionic.

Explain the following.

Lithium floats and water while sodium floats and catches fire when put in water.

Explain the following.

Alkaline earth metals have low values of electronegativity; which decreases down the group.

Write a balanced chemical equation for the following.

\[\ce{CO2}\] is passed into a concentrated solution of NaCl, which is saturated with \[\ce{NH3}\].