Chemistry Class-11: Chapter – 11. The P-Block Elements Part – 5 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question: 34

Identify the compounds A, X and Z in the following reactions

Answer:

Question: 35

Complete the following chemical equations:

Answer:

IV. Matching Type

In the following questions more than one correlation is possible between options of Column I and Column II. Make as many correlations as you can.

Question: 36

Ions and Oxidation
Column IColumn II
(i)(a)Oxidation state of central atom is + 4
(ii)(b)Strong oxidising agent
(iii)(c)Lewis acid
(iv)(d)Can be further oxidised
(e)Tetrahedral shape

Answer:

Question: 37

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

Species and Properties
Column IColumn II
(i)Diborane(a)Used as a flux for soldering metals
(ii)Galluim(b)Crystalline form of silica
(iii)Borax(c)Banana bonds
(iv)Aluminosilicate(d)Low melting, high boiling, useful for measuring high temperatures
(v)Quartz(e)Used as catalyst in petrochemical industries

Answer:

Electronic Configuration of Ions
Column IColumn II
(i)Boron in (a)
(ii)Aluminium in (b)
(iii)Boron in (c)
(iv)Carbon in Buckminsterfullerene
(v)Silicon in
(vi)Germanium in

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