Hydrocarbon MCQ for NEET. We covered all the Hydrocarbon MCQ for NEET in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
We have divided the complete NEET syllabus into several small posts on our website for your convenience. You will get their respective links in the related posts section provided below.
Related Posts:
MCQ on Hydrocarbon for NEET Students
On combustion in air, ……… forms monoxide as well as nitride.
(A) lithium
(B) sodium
(C) potassium
(D) rubidium
Option a – lithium
In a sealed nickel vessel, xenon and fluorine (in a ratio 2 : 1) are heated at 673 K and 1 bar. The reaction mixture is then quickly cooled to obtain the colorless solid ‘Y’. Identify ‘Y’.
(A) XeF2
(B) XeF4
(C) XeF6
(D) XeOF4
Option a – XeF2
The ground state outer electronic configuration of two elements ‘P’ and ‘Q’ are 3s¹ and 5s¹ respectively. Which of the following properties is CORRECT about these elements?
(A) The ionic sizes of both P and Q are less than potassium.
(B) Both P and Q impart the same color to the oxidizing flame.
(C) Both P and Q burn in oxygen to form corresponding superoxide (MO₂).
(D) Hydroxides of both P and Q dissolve freely in water with the evolution of heat.
The oxidation state of phosphorus in pyrophosphoric acid is …….
(A) +1
(B) +3
(C) +4
(D) +5
Option d – +5
Metal ‘A’ belongs to group 1 and period 2 Metal ‘B’ belongs to group 2. Metal ‘A’ shows the diagonal relationship to metal ‘B’. Identify atomic numbers of metals A’ and ‘B respectively.
(A) 3; 12
(B) 4; 13
(C) 3; 13
(D) 4; 11
Option a – 3; 12
The alkali metal carbonate that is least stable towards heat is ……
(A) Na₂CO3
(B) Li₂CO3
(C) K₂CO3
(D) Rb₂CO3
Option b – Li₂CO3
Magnesium burns in oxygen to form its oxide. The oxidation number of magnesium changes from ………
(A) 0 to +1
(B) 0 to +2
(C) + 1 to +2
(D) +2 to +4
Option b – 0 to +2
A compound of boron is prepared by treating boron trifluoride with LiAlH4 in diethyl ether. This compound of boron can also be prepared by ……….
(A) heating orthoboric acid above 370 K
(B) acidifying an aqueous solution of borax using dil. HCI
(C) oxidation of sodium borohydride with iodine
(D) heating amorphous boron in the air
Option c – oxidation of sodium borohydride with iodine
Which of the following is INCORRECT?
(A) Actinoids have a greater tendency to form complexes as compared to lanthanoids.
(B) 4f orbitals in lanthanoids have lower binding energy as compared to 5f orbitals in actinoids.
(C) Contraction in atomic and ionic radii is relatively greater in actinoids as compared to lanthanoids.
(D) The magnetic properties of actinoids are more complex than compared of lanthanoids.
Option b – 4f orbitals in lanthanoids have lower binding energy as compared to 5f orbitals in actinoids.
‘X’ reacts with hot conc. H₂SO4 to form corresponding sulphate, SO₂, and H₂O. ‘X’ is ………..
(A) N₂
(B) P4
(C) AS4
(D) Bi
Option d – Bi
Hypobromous acid and perbromic acid are oxyacids of bromine. The similarity between these oxyacids is that ………
(A) both have bromine in a +7 oxidation state
(B) both have one Br = O bond
(C) both have one O-H bond
(D) both have the same number of oxygen atoms
Option c – both have one O-H bond
Metal ‘X’ readily forms water-soluble sulphate and sparingly water-soluble hydroxide, X(OH)2. Its oxide, XO is amphoteric and covalent in nature. The hydroxide is also amphoteric in nature. The metal ‘X’ must be :
(A) Be
(B) Mg
(C) Ca
(D) Ba
Option a – Be
All the elements of group 15 form hydrides having formula EH3. Which of the following is the CORRECT order of increasing E-H bond length?
(A) NH3 <PH3 < AsH3 <SbH3
(B) SbH3 <PH3 < AsH3 < NH3
(C) SbH3 <ASH3 <PH3 < NH3
(D) NH3 < PH3 <SbH3 <AsH3
Option a – NH3
A colorless solid (X) on heating evolved CO₂ and also gave a white residue, which is soluble in water. The residue also gave CO₂ when treated with dilute mineral acid. The solid (X) is ………
(A) Na₂CO3
(B) K₂CO3
(C) NaHCO3
(D) Mg(HCO3)2
Option c – NaHCO3
There is S-O-S bond in ……….
(A) H₂S₂O3
(B) H₂S₂O8
(C) H₂S₂O6
(D) H₂S₂O7
Option d – H₂S₂O7
Which one of the following shows an oxidation state of +7? Atomic numbers: Am = 95, Pu = 94, U = 92, Cm = 96
(A) Am
(B) Pu
(C) U
(D) Cm
Option b – Pu
The 1st ionization enthalpy of Mg is ………..
(A) less than that of Ca
(B) more than that of Be
(C) more than that Na
(D) less than that Al
Option c – more than that Na
In which oxidation state, vanadium (Z = 23) is diamagnetic?
(A) +2
(B) +3
(C) +4
(D) +5
Option d – +5
Chlorine reacts with excess ammonia to form compound ‘A’ along with nitrogen. Excess chlorine reacts with ammonia to form compound ‘B’ along with HCI. A and B are ………
(A) A = NH4Cl, B = NCl3
(B) A = NC13, B = NH4Cl
(C) A = N₂H4, B = NCl3
(D) A = NH4Cl, B = N₂H4
Option a – A = NH4Cl, B = NCl3
Assuming complete ionization, the same number of moles of which of the following compounds will require the least amount of acidified KMnO4 for complete oxidation?
(A) Na₂SO3
(B) NaNO₂
(C) KI
(D) H₂C₂O4
Option c – KI
Which of the following is an amorphous form of silica?
(A) Tridymite
(B) Cristobalite
(C) Quartz
(D) Kieselguhr
Option d – Kieselguhr
On heating a mixture containing 3 moles each of Li₂CO3 and K₂CO3, how many moles of CO₂ are evolved?
(A) 1
(B) 3
(C) 6
(D) 9
Option b – 3
Four first-row transition elements are listed below with their atomic numbers. Which one of them is expected to have the highest third ionization enthalpy?
(A) Vanadium (Z = 23)
(B) Manganese (Z = 25)
(C) Chromium (Z = 24)
(D) Iron (Z = 26)
Option b – Manganese (Z = 25)
Which of the following statements is CORRECT? (I) B₂O3 is an acidic oxide. (II) In₂O3 is an amphoteric oxide. (III) Ga₂O3 is an acidic oxide. (IV) Th₂O3 is a basic oxide.
(A) (I), (II) and (III)
(B) (I), (III) and (IV)
(C) (I) and (III)
(D) (I) and (IV)
Option d – (I) and (IV)
The pair of the compounds in which both the metals are in the highest possible oxidation state is ………
(A) V₂O3, FeO
(B) Mn₂07, CrF6
(C) CrO3, Cu₂O
(D) TiO2, MnO₂
Option b – Mn₂07, CrF6
Select the INCORRECT statement about alkaline earth metals.
(A) The solubility of sulphates decreases down the group.
(B) The solubility of hydroxides decreases down the group.
(C) The thermal stability of carbonates increases down the group.
(D) The basic nature of hydroxide increases down the group.
Option b – The solubility of hydroxides decreases down the group.
Assertion: SiCl4 is easily hydrolyzed as compared to CCl4. Reason: Si can extend its covalence beyond four while C cannot.
(A) Assertion and Reason are true. The reason is the correct explanation of the Assertion.
(B) Assertion and Reason are true. The reason is not the correct explanation of the Assertion.
(C) The assertion is true, and the Reason is false.
(D) The assertion is false, Reason is true.
Option a – Assertion and Reason are true. The reason is the correct explanation of the Assertion.
Find the INCORRECT statement regarding hypophosphorous acid.
(A) The oxidation state of phosphorus is +1.
(B) It is obtained by boiling phosphorus with barium hydroxide, followed by treatment with sulphuric acid.
(C) It is dibasic acid.
(D) It consists of one P-OH bond, two P-H bonds, and one P=O bond.
Option c – It is dibasic acid.
In ground state electronic configuration, protactinium (Z = 91) has ………
(A) no electrons in the 5f orbital
(B) one electron in the 5f orbital
(C) two electrons in 5f orbital
(D) three electrons in 5f orbital
Option c – two electrons in 5f orbital
Which property about barium is CORRECT?
(A) Its oxide is amphoteric in nature.
(B) It does not react with water.
(C) It forms water-soluble sulphate.
(D) It forms water-soluble hydroxide.
Option d – It forms water-soluble hydroxide.
Which one of the following properties is INCORRECT by NO?
(A) It is diamagnetic in a gaseous state.
(B) It is paramagnetic in a gaseous state.
(C) In the liquid state, it exists as a dimer.
(D) In a gaseous state, it is an odd electron molecule.
Option a – It is diamagnetic in a gaseous state.
‘X’ and ‘Y’ are noble gases. ‘X’ is used in high-efficiency miner’s cap lamps. ‘Y’ is used in the treatment of cancer by radiotherapy. ‘X’ and ‘Y’ are ………… respectively.
(A) krypton and radon
(B) argon and xenon
(C) neon and helium
(D) xenon and radon
Option a – krypton and radon
Which of the following statements is INCORRECT?
(A) In dichromate ion, the Cr-O-Cr bond angle is 126°.
(B) Sodium dichromate has a greater solubility in water than potassium dichromate.
(C) The oxidation state of chromium in dichromate is +6.
(D) Chromate ion is trigonal pyramidal in shape.
Option d – Chromate ion is trigonal pyramidal in shape.
In a cyclotrimetaphosphoric acid molecule, how many single and double bonds are present?
(A) 3
(B) 6
(C) 9
(D) 12
Option d – 12
A dilute solution prepared by dissolving sodium in liquid ammonia will be ………
(A) bronze colored and diamagnetic
(B) deep blue colored and diamagnetic
(C) bronze colored and paramagnetic
(D) deep blue colored and paramagnetic
Option d – deep blue colored and paramagnetic
The structure of XCOF4 is ………
(A) square planar
(B) octahedral
(C) trigonal bipyramidal
(D) square pyramidal
Option d – square pyramidal
Which of the following is the CORRECT statement? ( Hydrocarbon MCQ for NEET )
(A) Aluminum is the second most abundant element in the earth’s crust.
(B) Kernite is an important mineral of aluminum.
(C) Aluminum dissolves in dil.HCl but does not dissolve in an aqueous NaOH solution.
(D) Aluminum reacts with dinitrogen at high temperatures to form aluminum nitride.
Option d – Aluminum reacts with dinitrogen at high temperatures to form aluminum nitride.
Gas (X) is formed when conc. H₂SO4 reacts with copper turnings. Gas (Y) is manufactured by Deacon’s process. When gas (X) and (Y) combine in presence of sunlight, ……… is formed.
(A) HOCI
(B) SO₂Cl₂
(C) COCI2
(D) SO3
Option b – SO₂Cl₂
In which of the following, do both the pair of elements belong to the actinoid series? ( Hydrocarbon MCQ for NEET )
(A) Fermium and thorium
(B) Holmium and curium
(C) Nobelium and samarium
(D) Berkelium and europium
Option a – Fermium and thorium
We covered all the hydrocarbon MCQ for neet above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
