Study resources on Kenyaplex

Get ready-made curriculum aligned revision materials

Exam papers, notes, holiday assignments and topical questions – all aligned to the Kenyan curriculum.

Browse exam papers

Or go directly to:

Class notes Holiday assignments Topical questions Other resources

Identify the type of bond formed in (i) and (ii) .

Answers

(i) Dative covalent bond.
(ii) Covalent bond.

sharon kalunda answered the question on May 22, 2019 at 06:24

Answer Attachments

Next: Zinc carbonate decomposes on heating producing a gaseous product and a residue. What volume of the gaseous product at s.t.p is produced from 2.5 g of...

Previous: The set up below was used to investigate a chemical property of carbon. Study it and answer the questions that follow. (i) What observations were made on...

View more Chemistry Questions and Answers | Return to Questions Index

Exams With Marking Schemes

Related Questions

Zinc carbonate decomposes on heating producing a gaseous product and a residue. What volume of the gaseous product at s.t.p is produced from 2.5 g of... (Solved)

Zinc carbonate decomposes on heating producing a gaseous product and a residue. What
volume of the gaseous product at s.t.p is produced from 2.5 g of the carbonate? ( Zn = 65,
C=12,O=16 M.G.V at s.t.p = 22400cm³)

Date posted: May 22, 2019 . Answers (1)
If aqueous lead (II) nitrate is added to aqueous solution potassium iodide, a bright yellow precipitate is formed. (i) Write down the formula of the precipitate formed. (ii)... (Solved)

If aqueous lead (II) nitrate is added to aqueous solution potassium iodide, a bright yellow
precipitate is formed.
(i) Write down the formula of the precipitate formed.
(ii) Write an ionic equation for the reaction above.

Date posted: May 22, 2019 . Answers (1)
The diagram below shows a set-up of apparatus used to separate miscible liquids. (a) Name the parts labelled A and B (b) State the function of... (Solved)

The diagram below shows a set-up of apparatus used to separate miscible liquids.

(a) Name the parts labelled A and B
(b) State the function of the part labeled A.
(c) State the property of the mixture that makes it suitable to be separated by the
method above.

Date posted: May 22, 2019 . Answers (1)
Give any two uses of ethene gas (Solved)

Give any two uses of ethene gas

Date posted: May 22, 2019 . Answers (1)
A volume of 80cm³ of a mixture of propane (C₃H₈) and oxygen were ignited in an experiment.The products were cooled and passed through an aqueous... (Solved)

A volume of 80cm³ of a mixture of propane (C₃H₈) and oxygen were ignited in an experiment.The products were cooled and passed through an aqueous sodium hydroxide. The final volume
was reduced by 30cm³
a) Write the equation for the combustion of propane
b) Determine the volume of;
i) The component of the original mixture
ii) Residual oxygen

Date posted: May 21, 2019 . Answers (1)
Differentiate between empirical and molecular formula (Solved)

Differentiate between empirical and molecular formula

Date posted: May 21, 2019 . Answers (1)
Draw the structural formula of ethanoic acid (Solved)

Draw the structural formula of ethanoic acid

Date posted: May 21, 2019 . Answers (1)
Give a reasons why ethanoic acid has a higher boiling point than ethanol which has the same number of Carbon atoms (Solved)

Give a reasons why ethanoic acid has a higher boiling point than ethanol which has the same
number of Carbon atoms

Date posted: May 21, 2019 . Answers (1)
Define oxidation and reduction in terms of electrons. (Solved)

Define oxidation and reduction in terms of electrons.

Date posted: May 21, 2019 . Answers (1)
75g of a saturated solution contains 30g of salt calculate a) The solubility of the salt b) The percentage of the salt in the saturated solution (Solved)

75g of a saturated solution contains 30g of salt calculate
a) The solubility of the salt
b) The percentage of the salt in the saturated solution

Date posted: May 21, 2019 . Answers (1)
Three brands of inks M, N and O were suspected to be contaminated with substance P. The result is shown below; i) Which ink was contaminated with... (Solved)

Three brands of inks M, N and O were suspected to be contaminated with substance P.
The result is shown below;

i) Which ink was contaminated with substance P
ii) Name the ink which was pure
iii) Identify the other ink which was not pure

Date posted: May 21, 2019 . Answers (1)
Name three sub – atomic particles found in an atom and state where they are found (Solved)

Name three sub – atomic particles found in an atom and state where they are found

Date posted: May 21, 2019 . Answers (1)
A fixed mass of an ideal gas occupies 200cm³ at a pressure of 740 mmHg.Calculate the volume of the gas at 77-mmHg pressure. (Solved)

A fixed mass of an ideal gas occupies 200cm³ at a pressure of 740 mmHg.Calculate the volume of the gas at 77-mmHg pressure.

Date posted: May 21, 2019 . Answers (1)
Sulphur is soluble in ethanol but not in water while common salt is soluble in water but not in ethanol a) Explain why sulphur is soluble in... (Solved)

Sulphur is soluble in ethanol but not in water while common salt is soluble in water but not in
ethanol
a) Explain why sulphur is soluble in ethanol but hot in water.
b) Explain how a pure sample of sodium chloride can be obtained from a mixture of the two.

Date posted: May 21, 2019 . Answers (1)
Explain why potassium is kept under paraffin while phosphorous is kept under water (Solved)

Explain why potassium is kept under paraffin while phosphorous is kept under water

Date posted: May 21, 2019 . Answers (1)
The table below shows the ammeter reading obtained when two different electrolytes of the same concentration were tested. (Solved)

The table below shows the ammeter reading obtained when two different electrolytes of the same concentration were tested.

Why does ethanoic acid give a lower reading?

Date posted: May 21, 2019 . Answers (1)
Study the information in the table below and answer the questions that follow (The letters do not represent the actual symbols of the elements). (i) What... (Solved)

Study the information in the table below and answer the questions that follow (The letters do not represent the actual symbols of the elements).

(i) What chemical family do the elements A, B and C belong?
(ii) What is meant by the term ionization energy?
(iii) The 2nd ionization energy is higher that the 1st ionization energy of each. Explain
(Iv) When a piece of element C is placed in cold water, it sinks to the bottom and an
effervescence of a colourless gas that bums explosively is produced. Use a simple diagram to illustrate how this gas can be collected during this experiment.

Date posted: May 21, 2019 . Answers (1)
What is the difference between thermosoftening and thermosetting plastics? (Solved)

What is the difference between thermosoftening and thermosetting plastics?

Date posted: May 21, 2019 . Answers (1)
Draw a dot (.) and cross (x) diagram to show bonding in:- (i) Ammonium ion (NH₄) (ii) Silane (SiH₄) (N=14... (Solved)

Draw a dot (.) and cross (x) diagram to show bonding in:-
(i) Ammonium ion (NH₄)
(ii) Silane (SiH₄)
(N=14 H=1 Si=14)

Date posted: May 21, 2019 . Answers (1)
A volume of nitrogen gas diffuses through a porous pot in 70 seconds. How long would it take 400cm³ of carbon (iv) oxide to diffuse through... (Solved)

A volume of nitrogen gas diffuses through a porous pot in 70 seconds. How long would it take
400cm³ of carbon (iv) oxide to diffuse through the same porous pot? (C=12 O=16 N=14)

Date posted: May 21, 2019 . Answers (1)