Chemistry 12 Chapter 8 Exemplar Solutions the P and F Block Elements Part 6

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IV. Matching Type

Note: Match the items of Column I and Column II in the following questions.

Question 52:

Match the catalysts given in Column I with the processes given in Column II.

Match the Catalysts
Match the catalysts

Column I (Catalyst)

Column II (Process)

(i)

in the presence of hydrogen

(a)

Zieglar Natta catalyst

(ii)

(b)

Contact process

(iii)

(c)

Vegetable oil to ghee

(iv)

Finely divided iron

(d)

Sandmeyer reaction

(v)

(e)

Haber’s Process

(f)

Decomposition of

Answer:

(i) → (c) (ii) → (d) (iii) → (b) (iv) → (e) (v) → (a)

Question 53:

Match the compounds/elements given in Column I with uses given in Column II.

Match the Compounds /elements Column
Match the compounds /elements column

Column I (Compound/element)

Column II (Use)

(i)

Lanthanoid oxide

(a)

Production of iron alloy

(ii)

Lanthanoid

(b)

Television screen

(iii)

Misch metal

(c)

Petroleum cracking

(iv)

Magnesium based alloy is constituent of

(d)

Lanthanoid metal iron

(v)

Mixed oxides of lanthanoids are employed

(e)

Bullets

(f)

In X-ray screen

Answer:

(i) → (b) (ii) → (a) (iii) → (d) (iv) → (e) (v) → (c)

Question 54:

Match the properties given in Column I with the metals given in Column II.

Match the Properti Given Column
Match the properti given column

Column I (Property)

Column II (Metal)

(i)

An element which can show oxidation state

(a)

(ii)

block element that can show upto oxidation state

(b)

(iii)

block element with highest melting point

(c)

(d)

Answer:

(i) → (c) (ii) → (a) (iii) → (b)

Question 55

Match the statements given in Column I with the oxidation states given in Column II.

Match the Staements
Match the staements

Column I

Column II

(i)

Oxidation state of in is

(a)

(ii)

Most stable oxidation state of is

(b)

(iii)

Most stable oxidation state of in oxides is

(c)

(iv)

Characteristic oxidation state of lanthanoids is

(d)

(e)

Answer:

(i) → (c) (ii) → (a) (iii) → (e) (iv) → (b)

Question 56:

Match the solutions given in Column I and the colours given in Column II.

Match the Solutions
Match the solutions

Column I

(Aqueous solution of salt)

Column II

(Colour)

(i)

(a)

Green

(ii)

(b)

Light Pink

(iii)

(c)

Blue

(iv)

(d)

Pale green

(v)

(e)

Pink

(f)

Colourless

Answer:

(i) → (d) (ii) → (a) (iii) → (b) (iv) → (e) (v) → (f)

Question 57:

Match the property given in Column I with the element given in Column II.

Match the Property
Match the property

Column I (Property)

Column II (Element)

(i)

Lanthanoid which shows oxidation state

(a)

(ii)

Lanthanoid which can show oxidation state

(b)

(iii)

Radioactive lanthanoid

(c)

(iv)

Lanthanoid which has electronic configuration in oxidation state

(d)

(v)

Lanthanoid which has

electronic configuration in oxidation state

(e)

(f)

Answer:

(i) → (b) (ii) → (d) (iii) → (a) (iv) → (e) (v) → (c)

Question 58:

Match the properties given in Column I with the metals given in Column II.

Atch the Properties
atch the properties

Column I (Property)

Column II ((Metal)

(i)

Element with highest second ionisation enthalpy

(a)

(ii)

Element with highest third ionisation enthalpy

(b)

(iii)

is

(c)

(iv)

Element with highest heat of atomisation

(d)

(e)

Answer:

(i) → (c) (ii) → (d) (iii) → (b) (iv) → (a)

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