States of Matter Class 11 MCQ for NEET. We covered all the States of Matter Class 11 MCQ for NEET in this post for free so that you can practice well for the exam.
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MCQ on States of Matter for NEET Students
Which of the following is a CORRECT statement for the electroplating of a nickel object?
(A) The object and the pure nickel rod are made of the anode.
(B) The pure nickel rod and the object are made of the cathode.
(C) The object is made of the cathode and a pure nickel rod, the anode.
(D) The object is made of the anode and a pure nickel rod, the cathode.
Option c – The object is made of the cathode and a pure nickel rod, the anode.
The Lewis acid characters of boron halides are in the order of ……….
(A) BF3 <BCl3 <BBr3 < BI3
(B) BF3 <BBr3 <BCl3 < BI3
(C) Bl3<BBr3 <BCl3 < BF3
(D) BI3 <BC13 < BBr3 < BF3
Option a – BF3
The hydrolysis products of PCl3 are ………
(A) PH3, HCIO
(B) H3PO4, HCl
(C) H3PO3, HCI
(D) H3PO3, HCIO
Option c – H3PO3, HCl
Which of the following statements is INCORRECT?
(A) A tertiary free radical is more stable than a secondary free radical.
(B) A secondary free radical is more stable than a primary free radical.
(C) A tertiary carbonium ion is more stable than a secondary carbonium ion.
(D) A tertiary carbanion is more stable than a secondary carbanion.
Option d – A tertiary carbanion is more stable than a secondary carbanion
When MgCO3 is treated with Na₂HPO4, a white precipitate is formed. The precipitate is of ………
(A) MgNH4PO4
(B) MgCO3
(C) MgNH4(HCO3)3
(D) Mg(HCO3)2
Option a – MgNH4PO4
A solution has a 1 : 4 mole ratio of pentane to hexane. The vapor pressures of the pure hydrocarbons at 20 °C are 440 mm Hg for pentane and 120 mm Hg for hexane. The mole fraction of pentane in the vapor phase would be …….
(A) 0.549
(B) 0.200
(C) 0.786
(D) 0.478
Option d – 0.478
The bond order in NO is 2.5 while that in Which of the following statements is NO is 3. true for these two species?
(A) The bond length in NO is equal to that in NO.
(B) The bond length in NO is greater than in NO.
(C) The bond length in NO is greater than in NO.
(D) Bond length is unpredictable.
Option b – The bond length in NO is greater than in NO.
The sum of the oxidation numbers of all the carbons in C6H5CHO is ………
(A) +2
(B) 0
(C) +4
(D) -4
Option d – -4
Phosphine becomes inflammable when it comes in contact with air. This property is due to the presence of traces of ……… (I) P4010 (II) NaH₂PO₂ (III) P₂H4 (IV) P4
(A) I
(B) I, II
(C) III, IV
(D) I, IV
Option c – III, IV
Which of the following does exist?
(A) KHF2
(B) KHCl₂
(C) KHBr₂
(D) KHI2
Option a – KHF2
Propyne gives white precipitate when it is ………
(A) passed through ammonical AgNO3
(B) treated with Fehling’s solution
(C) treated with Baeyer’s reagent
(D) treated with Br₂ water.
Option a – passed through ammonical AgNO3
The drugs which reduce anxiety and bring calmness are classified as ………
(A) antacids
(B) tranquilizers
(C) non-narcotic analgesics
(D) antihistamines
Option b – tranquilizers
The metallurgical process in which a metal is obtained in a fused state is called ………
(A) smelting
(B) roasting
(C) calcination
(D) froth floatation
Option a – smelting
Which of the following will favor only the reverse reaction in a chemical equilibrium?
(A) Increasing the concentration of one of the reactants
(B) Removal of at least one of the products at regular intervals
(C) Increasing the concentration of one or more of the products
(D) Addition of a catalyst
Option c – Increasing the concentration of one or more of the products
A gaseous system during a thermodynamic process does NOT undergo any volume change. It is called an ……….
(A) isochoric process
(B) isobaric process
(C) isothermal process
(D) adiabatic process
Option a – isochoric process
Amongst H₂O, H₂S, H₂Se and H₂Te, the one with the highest boiling point is ………..
(A) H₂O
(B) H₂Te
(C) H₂S
(D) H₂Se
Option a – H₂O
If Nb is the number of electrons occupying bonding orbitals and Na is the number of electrons occupying antibonding orbitals, then ………
(A) the molecule is stable if Nb is greater than Na
(B) the molecule is stable if Na is greater than Nb
(C) the molecule is stable if Na is equal to Nb
(D) the molecule is unstable if Nb is greater than Na
Option a – the molecule is stable if Nb is greater than Na
Which of the following methods is commonly used to precipitate colloids?
(A) Dialysis
(B) Peptization
(C) Electrodialysis
(D) By adding excess electrolytes
Option d – By adding excess electrolytes
Atoms with high value of ionization enthalpy (IE₁) always have ……….
(A) large atomic radius
(B) small charge on the nucleus
(C) strongly bound valence electrons
(D) loosely bound valence electrons
Option c – strongly bound valence electrons
For an electromagnetic spectrum, which one of the following represents the CORRECT order of increasing wavelength?
(A) X-rays < UV rays < infrared < radio waves
(B) radio waves < infrared < UV rays < X rays
(C) UV < infrared < radio waves < X-rays
(D) infrared < radio waves < UV rays < X rays
Option a – X-rays
The application of colligative propenles is ……..
(A) melting of snow by salt
(B) desalination of seawater
(C) determination of molar mass
(D) All of these
Option d – All of these
Which of the following statements is CORRECT about biochemical oxygen demand (BOD)?
(A) Aerobic bacteria decrease the BOD value.
(B) Anaerobic bacteria increase the BOD value.
(C) Clean water has a BOD value higher than 10 ppm.
(D) Polluted water has a BOD value higher than 10 ppm.
Option d – Polluted water has a BOD value higher than 10 ppm.
Two flasks of equal volumes have been joined by a narrow tube of negligible volume. Initially, both flasks are at 150 K containing 1.2 mol of O2 gas at 0.5 atm pressure. One of the flasks is then placed in a thermostat at 300 K. What is the number of moles of O₂ gas in each flask?
(A) 0.2 mol at 150 K and 1 mol at 300 K
(B) 0.8 mol at 150 K and 0.4 mol at 300 K
(C) 0.4 mol at 150 K and 0.8 mol at 300 K
(D) 1 mol at 150 K and 0.2 mol at 300 K
Option b – 0.8 mol at 150 K and 0.4 mol at 300 K
Choose the INCORRECT statement. ( States of Matter Class 11 MCQ )
(A) Adenine and guanine both are purines bases and are found in both DNA and RNA
(B) Genetic information is based upon the nucleotide sequence in DNA
(C) The genetic code consists of triples of nucleotide, each triplet codes an amino acid
(D) Transfer RNA carries the code for the synthesis of proteins
Option d – Transfer RNA carries the code for the synthesis of proteins
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