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

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 the 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.

Bonding in this molecule can be understood to involve coordinate bonding.

Give the names of the first four members of the homologous series of
alkynes.

Give three points to differentiate between saturated and unsaturated
hydrocarbons.

Copy and complete the following table, which relates to the three homologous series of hydrocarbons:

What are the term defined below?

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

Write the name and formula of the fourth member of the following homologous series:

Alkyne

What is a homologous series?

What is the difference in the molecular formula of any two adjacent homologues:

(i) In terms of molecular mass

(ii) In terms of number and kind of atoms per molecule?

Haloalkanes react with alkalies to produce alcohol. Give the equation for the preparation of the second member of the homologous series of alcohol. State under what condition the reaction occurs.

Name the following organic compound:

The first homologue whose general formula is C_nH_2n.

Study and complete the following table:

Name the following:

Group of organic compounds where the successive members follow a regular structural pattern, successive compounds differ by a 'CH₂' group.