(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

Propane and ethane are ______.

Succeeding members of a homologous series differ by ______.

Give the dot diagram of the first member of the alcohol.

Give the abbreviated formula of the third member of the alcohol.

Give the structure of the second member of the alcohol group.

Give the names and the structural formula of the first three members of the homologous series of alkanes.

What is homologous series ?

What is the difference in the molecular formula of any two adjacent homologues in terms of molecular mass?

What is meant by the term chemical bond and chemical bonding?

Why do atoms combine?

Give the conditions for coordinate bond formation.

Fill in the blank
Coordinate bond is also called __________bond.

Fill in the blanks
 A coordinate bond is represented by an arrow pointing from ________ to__________ atom.

Choose the correct answer from the options given below
Which one is coordinate molecule?

What is a lone pair of electrons?

Draw an electron dot diagram of a hydronium ion and label the lone pair of electrons.

What is the term defined below?

A bond formed by a shared pair of electrons with both electrons coming from the same atom.

By drawing an electron dot diagram, show the lone pair effect leading to the formation of ammonium ion from ammonia gas and hydrogen ion.

Give suitable chemical terms for the bond formed by a shared pair of electrons with both electrons coming from the same atom.