CBSE Class 11 Chemistry p-Block Elements MCQs Set A

Refer to CBSE Class 11 Chemistry p-Block Elements MCQs Set A provided below available for download in Pdf. The MCQ Questions for Class 11 Chemistry with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Chapter 11 The p Block Elements Class 11 MCQ are an important part of exams for Class 11 Chemistry and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 11 Chemistry and also download more latest study material for all subjects

MCQ for Class 11 Chemistry Chapter 11 The p Block Elements

Class 11 Chemistry students should refer to the following multiple-choice questions with answers for Chapter 11 The p Block Elements in Class 11.

Chapter 11 The p Block Elements MCQ Questions Class 11 Chemistry with Answers

MCQ - Choose Appropriate Alternative

Question. Which metal is used in the thermal process because of its activity.
(a) Iron 
(b) Copper 
(c) Aluminum 
(d) Zinc

Question. Aluminum oxides is
(a) Acidic oxide 
(b) Basic oxide 
(c) Amphoteric oxide 
(d) None of these

Question. Chemical composition of colemnite is.
(a) Ca2B6O11. 5H2
(b) CaB4O7. 4H2
(c) Na2B4O7. 4H2
(d) CaNaB5O9. 8H2O

Question. Which element forms an ion with charge 3+.
(a) Beryllium  
(b) Aluminum 
(c) Carbon 
(d) Silicon

Question. Which element among the following belongs to Group IVA of the periodic Table.
(a) Barium
(b) Iodine 
(c) Lead
(d) Oxygen

Question. Boric acid cannot be used.
(a) As antiseptic in medicine 
(b) For washing eyes 
(c) In soda bottles 
(d) For enamels and glazes

Question. Which of the following elements is not present abundantly in earth's crust.
(a) Silicon 
(b) Aluminum 
(c) Sodium 
(d) C

Question. The chief Ore of aluminum is.
(a) Na3AIF6 
(b) Al2O3. 2H2
(c) l2O
(d) Al2O3. H2O

Question. The Group IIA of the periodic table comprises the elements.
(a) Boron, aluminum, gallium, indium and thallium. 
(b) Boron gallium, thallium.
(c) Aluminum, calcium, strontium. 
(d) All of the above

Question. Boron is non-metallic because of
(a) Large size and higher nuclear change 
(b) Small size and higher nuclear charge
(c) Small size and smaller nuclear charge 
(d) None of the above

Question. The increase in the atomic size in group is
(a) Regular 
(b) Irregular
(c) Both  
(d) None of the above

Question. Orthoboric Acid is a mineral of.
(a) Aluminum 
(b) Silicon 
(c) Calicium 
(d) Boron

Question. Aluminum is the third most abundant elements in earth crust after.
(a) Oxygen 
(b) Silicon 
(c) None of the above 
(d) Both of the Both

Question. Bauxite is an ore of.
(a) Aluminum 
(b) Boron 
(c) Carbono 
(d) Gallium

Question. Which of the elements of Group IIA are rare and only obtained as by-products.
(a) Gallium thallium 
(b) Thallium indium 
(c) Gallium indium 
(d) Gallium thallium indium

Question. Borax is the sodium salt of tetraboric acid. It is most important of all among.
(a) Borates 
(b) Carbonates 
(c) Bicarbonates 
(d) None of the above

Question. Borax occurs as natural deposit called tincal in the dried up lakes of.
(a) Tibet
(b) California 
(c) Tibet & California
(d) Virginia

Question. Group IV A of the periodic table comprises elements.
(a) Carbon silicon 
(b) Tin, carbon , silicon
(c) Carbon, silicon, tin and lead 
(d) None of the above

Question. The non-metals in Group IV A are.
(a) Carbon, silicon 
(b) Tin and Lead 
(c) All of the above 
(d) None of the above

Question. The elements of Group IV A are character sized by a set of.
(a) Three valence shell electrons 
(b) Four valence shell electrons
(c) Five valence shell electrons
(d) Two valence shell electrons

Question. Group IV A elements form.
(a) Super oxide
(b) Oxides 
(c) Dioxide
(d) All of the above

Question. The property of catenation among the carbon and silicon.
(a) Increase on moving down the group form carbon to lead 
(b) Decrease on moving down the group from lead to carbon.
(c) Decreases on moving down the group from carbon to lead 
(d) Stable on moving down the group from carbon to lead.

Question. The oxides of carbon are
(a) CO and CO
(b) CO, CO2 and C3O2 carbon sub oxide
(c) CO, CO2, C2C
(d) None of the above

Question. China wares are made form a mixture of
(a) Kaolin and bone ash
(b) Kaolin and feldspar
(c) Kaolin feldspar and bone ash
(d) None of the above

Question. Various oxides are used as pigments in the pigments of which element.
(a) Oxides of lead, basic lead carbonate etc.
(b) Various oxides of lead
(c) Various oxides of lead, basic lead carbonate, lead chromate
(d) Oxides of aluminum

Question. Boron occurs in traces and has been found to be important for the growth of.
(a) Plants of many kinds
(b) Plants and animals
(c) Animals
(d) None of the above

Question. Semiconductors conduct electricity better than.
(a) Conductors
(b) Insulators
(c) Both of the above
(d) None of the above

Question. Oxygen is the abundant element in earth crust?
(a) Most of all
(b) 2nd in number
(c) Third most abundant
(d) 4th most abundant

Question. Substance which is found in dried up lakes of Tibet and California is______
(a) Tincal 
(b) Boric Acid
(c) Calcium carbonate     
(d) All

Question. Boron is a white crystalline solid and it is________
(a) More soluble in cold water
(b) More soluble in hot water
(c) More soluble in water
(d) Soluble only in organic solvents

Question. One of the outstanding features of boron is ability to form________
(a) Molecular addition compounds
(b) Molecular crystals
(c) Semiconductors
(d) All

Question. Which of the following does not give Borax bead test?
(a) Cu
(b) Cr
(c) Ni
(d) Al

Question. The metal which is used in thermite process because of its activity is_
(a) Iron
(b) Copper
(c) Aluminium
(d) Zinc

Question. Which of the following shows inert pair effect?
(a) Boron
(b) Carbon
(c) Silicon
(d) Tin

Question. Tincal is a mineral of____________
(a) Al
(b) Si
(c) B
(d) C

Question. Because of its ability to combine with both oxygen and nitrogen, aluminium metal is used
(a) As nitrometer
(b) To remove air bubbles from molten metal
(c) To produce alloy
(d) All

Question. Silicon differ from silica by a group of _________
(a) CH3
(b) –OH
(c) OCH3
(d) O2

Question. Boron in soil has been considered essential specially for________
(a) Soil porosity
(b) Proper growth of plants
(c) Alkalinity of soil
(d) All

Question. Special feature of borate glass is that it is ______
(a) Heat resistant 
(b) Low melting
(c) Used to prepare chemical garden 
(d) All

Question. Inp–block elements,thes–electronsofoutershelloftheheaviermembersarefailedtoparticipateinbonding, because they
(a) Remain paired
(b) Remain unpaired
(c) Are free
(d) None of these

Question. The tendency of the pair of S – electron to remain inert increase with the increase in
(a) Atomic number
(b) Atomic weight
(c) E.N
(d) I.P

Question. Boron does not easily form cations, because it has the tendency to form bond like non-metal
(a) Ionic bond
(b) Metallic bond
(c) Hydrogen bond
(d) Covalent bond

Question. Boron is metalloid and semiconductor like
(a) Be
(b) K
(c) Si
(d) Al

Question. Which element is unstable in air and is oxidized superficially in air
(a) Aluminum
(b) Thallium
(c) Gallium
(d) Indium

Question. Crystalline boron has structure
(a) Cubic
(b) Monoclinic
(c) Hexagonal
(d) Trigonal

Question. The hydrides B2H6 and Si2H6 are said to
(a) Ionic hydrides
(b) Complex hydrides
(c) Interstitial hydrides
(d) Covalent hydrides

Question. The compound, which is used in borax bead test for cations analysis, is
(a) NaOH
(b) H3BO3
(c) Na2B4O7.10H2O
(d) H2B4O7

Question. Orthoboric acid is weak acid because it
(a) Accepts OH-1 ion
(b) Donate OH-1 ion
(c) Accept H+1
(d) Donate H+1

Question. The aqueous solution of which acid is used for washing eyes?
(a) H2B4O7
(b) HCl
(c) H3BO3
(d) HBO2

Question. The process in which Bauxite is purified by dissolving it in 45% aqueous NaOH at 150oC to separateinsoluble iron oxide as red mud is called
(a) Hall’s process
(b) Baeyer’s process
(c) Arrhenius process
(d) Grignard process

Question. Bauxite is an oxide mineral of
(a) Cu
(b) Ag
(c) Al
(d) Zn

Question. Bauxite is an oxide mineral of
(a) Cu
(b) Ag
(c) Al
(d) Zn

Question. AlCl3 and GaCl3 are covalent when anhydrous because
(a) They belong to group III A
(b) Their ions have small size and high charge
(c) They have high I.P
(d) None of these

Question. In the electrolysis of alumina is mixed with Cryolite(Na3AlF6) and fluorspar(CaF2) in the ratio of 20:60: 20. the function of the Cryolite and fluorspar is
(a) To decrease the fusion temperature of alumina and to make good conductor of electricity
(b) To dissolve alumina
(c) To dissolve sodium
(d) To increase the ionization of alumina

Question. Termite is a mixture of
(a) Iron oxide and aluminum
(b) Iron oxide and copper
(c) Copper oxide and aluminum
(d) None of these

Question. In aluminum termite process, aluminum acts as a
(a) Reducing agent
(b) Oxidizing agent
(c) A flux
(d) None of these

 

MCQs for Chapter 11 The p Block Elements Chemistry Class 11

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