MCQOPTIONS
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MCQOPTIONS
This section includes 11242 Mcqs, each offering curated multiple-choice questions to sharpen your Joint Entrance Exam - Main (JEE Main) knowledge and support exam preparation. Choose a topic below to get started.
| 6201. |
What metals combine with non-metals, the metal atom tends to [AMU 1982] |
| A. | Lose electrons |
| B. | Gain electrons |
| C. | Remain electrically neutral |
| D. | None of these |
| Answer» B. Gain electrons | |
| 6202. |
An ionic compound is generally a [MADT Bihar 1981] |
| A. | Good electrolyte |
| B. | Weak electrolyte |
| C. | Non-electrolyte |
| D. | Neutral |
| Answer» B. Weak electrolyte | |
| 6203. |
Which of the following compound has electrovalent linkage [CPMT 1983, 84, 93] |
| A. | \[C{{H}_{3}}Cl\] |
| B. | \[NaCl\] |
| C. | \[C{{H}_{4}}\] |
| D. | \[C{{l}_{2}}\] |
| Answer» C. \[C{{H}_{4}}\] | |
| 6204. |
Which one of the following compound is ionic [MNR 1985] |
| A. | \[KCl\] |
| B. | \[C{{H}_{4}}\] |
| C. | Diamond |
| D. | \[{{H}_{2}}\] |
| Answer» B. \[C{{H}_{4}}\] | |
| 6205. |
What is the nature of chemical bonding between \[Cs\] and \[F\] [MP PMT 1987; CPMT 1976] |
| A. | Covalent |
| B. | Ionic |
| C. | Coordinate |
| D. | Metallic |
| Answer» C. Coordinate | |
| 6206. |
A number of ionic compounds e.g. \[AgCl,\,\,Ca{{F}_{2}},\]\[BaS{{O}_{4}}\] are insoluble in water. This is because [NCERT 1984] |
| A. | Ionic compounds do not dissolve in water |
| B. | Water has a high dielectric constant |
| C. | Water is not a good ionizing solvent |
| D. | These molecules have exceptionally high alternative forces in the lattice |
| Answer» E. | |
| 6207. |
The phosphate of a metal has the formula \[MHP{{O}_{4}}.\] The formula of its chloride would be [NCERT 1974; CPMT 1977] |
| A. | \[MCl\] |
| B. | \[MC{{l}_{2}}\] |
| C. | \[MC{{l}_{3}}\] |
| D. | \[{{M}_{2}}C{{l}_{3}}\] |
| Answer» C. \[MC{{l}_{3}}\] | |
| 6208. |
Ionic bonds are usually formed by combination of elements with [CBSE PMT 1993; MP PMT 1994] |
| A. | High ionisation potential and low electron affinity |
| B. | Low ionisation potential and high electron affinity |
| C. | High ionisation potential and high electron affinity |
| D. | Low ionisation potential and low electron affinity |
| Answer» C. High ionisation potential and high electron affinity | |
| 6209. |
The sulphate of a metal has the formula \[{{M}_{2}}{{\left( S{{O}_{4}} \right)}_{3}}.\] The formula for its phosphate will be [DPMT 1982; CPMT 1972; MP PMT 1995] |
| A. | \[M{{\left( HP{{O}_{4}} \right)}_{2}}\] |
| B. | \[{{M}_{3}}{{\left( P{{O}_{4}} \right)}_{2}}\] |
| C. | \[{{M}_{2}}{{\left( P{{O}_{4}} \right)}_{3}}\] |
| D. | \[MP{{O}_{4}}\] |
| Answer» E. | |
| 6210. |
Which one is least ionic in the following compounds [CPMT 1976; BHU 1998] |
| A. | \[AgCl\] |
| B. | \[KCl\] |
| C. | \[BaC{{l}_{2}}\] |
| D. | \[CaC{{l}_{2}}\] |
| Answer» B. \[KCl\] | |
| 6211. |
Solid \[NaCl\]is a bad conductor of electricity since [AFMC 1980] |
| A. | In solid \[NaCl\] there are no ions |
| B. | Solid \[NaCl\] is covalent |
| C. | In solid \[NaCl\] there is no motion of ions |
| D. | In solid \[NaCl\] there are no electrons |
| Answer» D. In solid \[NaCl\] there are no electrons | |
| 6212. |
When \[NaCl\] is dissolved in water the sodium ion becomes [NCERT 1974; CPMT 1989; MP PMT 1999] |
| A. | Oxidized |
| B. | Reduced |
| C. | Hydrolysed |
| D. | Hydrated |
| Answer» E. | |
| 6213. |
Sodium chloride easily dissolves in water. This is because [NCERT 1972; BHU 1973] |
| A. | It is a covalent compound |
| B. | Salt reacts with water |
| C. | It is a white substance |
| D. | Its ions are easily solvated |
| Answer» E. | |
| 6214. |
The molecular formula of chloride of a metal M is \[MC{{l}_{3}}.\] The formula of its carbonate would be [CPMT 1987] |
| A. | \[MC{{O}_{3}}\] |
| B. | \[{{M}_{2}}{{\left( C{{O}_{3}} \right)}_{3}}\] |
| C. | \[{{M}_{2}}C{{O}_{3}}\] |
| D. | \[M{{\left( C{{O}_{3}} \right)}_{2}}\] |
| Answer» C. \[{{M}_{2}}C{{O}_{3}}\] | |
| 6215. |
In the transition of \[Zn\] atoms to \[Z{{n}^{++}}\]ions there is a decrease in the [CPMT 1972] |
| A. | Number of valency electrons |
| B. | Atomic weight |
| C. | Atomic number |
| D. | Equivalent weight |
| Answer» B. Atomic weight | |
| 6216. |
The phosphate of a metal has the formula\[MP{{O}_{4}}\]. The formula of its nitrate will be [CPMT 1971; MP PMT 1996] |
| A. | \[MN{{O}_{3}}\] |
| B. | \[{{M}_{2}}{{\left( N{{O}_{3}} \right)}_{2}}\] |
| C. | \[M{{\left( N{{O}_{3}} \right)}_{2}}\] |
| D. | \[M{{\left( N{{O}_{3}} \right)}_{3}}\] |
| Answer» E. | |
| 6217. |
Chloride of metal is \[MC{{l}_{2}}\]. The formula of its phosphate will be [CPMT 1979] |
| A. | \[{{M}_{2}}P{{O}_{4}}\] |
| B. | \[{{M}_{3}}{{\left( P{{O}_{4}} \right)}_{2}}\] |
| C. | \[{{M}_{2}}{{\left( P{{O}_{4}} \right)}_{3}}\] |
| D. | \[MP{{O}_{4}}\] |
| Answer» C. \[{{M}_{2}}{{\left( P{{O}_{4}} \right)}_{3}}\] | |
| 6218. |
The electronic structure of four elements A, B, C, D are (i) \[1{{s}^{2}}\] (ii) \[1{{s}^{2}},\,\,2{{s}^{2}}\,2{{p}^{2}}\] (iii) \[1{{s}^{2}},\,\,2{{s}^{2}}\,2{{p}^{5}}\] (iv) \[1{{s}^{2}},\,\,2{{s}^{2}}\,2{{p}^{6}}\] The tendency to form electrovalent bond is largest in [MNR 1987, 95] |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 6219. |
When sodium and chlorine reacts then [NCERT 1973] |
| A. | Energy is released and ionic bond is formed |
| B. | Energy is released and a covalent bond is formed |
| C. | Energy is absorbed and ionic bond is formed |
| D. | Energy is absorbed and covalent bond is formed |
| Answer» B. Energy is released and a covalent bond is formed | |
| 6220. |
Many ionic crystals dissolve in water because [NCERT 1982] |
| A. | Water is an amphiprotic solvent |
| B. | Water is a high boiling liquid |
| C. | The process is accompanied by a positive heat of solution |
| D. | Water decreases the interionic attraction in the crystal lattice due to solvation |
| Answer» E. | |
| 6221. |
In the formation of \[NaCl\] from \[Na\] and \[\gamma -\] [CPMT 1985] |
| A. | Sodium and chlorine both give electrons |
| B. | Sodium and chlorine both accept electrons |
| C. | Sodium loses electron and chlorine accepts electron |
| D. | Sodium accepts electron and chlorine loses electron |
| Answer» D. Sodium accepts electron and chlorine loses electron | |
| 6222. |
Electrovalent compounds do not have [CPMT 1991] |
| A. | High M.P. and Low B.P. |
| B. | High dielectric constant |
| C. | High M.P. and High B.P. |
| D. | High polarity |
| Answer» B. High dielectric constant | |
| 6223. |
Which of the following is an electrovalent linkage [CPMT 1974; DPMT 1984, 91; AFMC 1988] |
| A. | \[C{{H}_{4}}\] |
| B. | \[NC{{l}_{5}}\] |
| C. | \[SiC{{l}_{4}}\] |
| D. | \[B{{F}_{3}}\] |
| Answer» C. \[SiC{{l}_{4}}\] | |
| 6224. |
In the given bonds which one is most ionic [EAMCET 1980] |
| A. | \[Cs-Cl\] |
| B. | \[Al-Cl\] |
| C. | \[C-Cl\] |
| D. | \[H-Cl\] |
| Answer» B. \[Al-Cl\] | |
| 6225. |
Element \[x\]is strongly electropositive and \[y\] is strongly electronegative. Both element are univalent, the compounds formed from their combination will be [IIT 1980] |
| A. | \[{{x}^{+}}{{y}^{-}}\] |
| B. | \[{{x}^{-}}\,{{y}^{+}}\] |
| C. | \[x-y\] |
| D. | \[x\to y\] |
| Answer» B. \[{{x}^{-}}\,{{y}^{+}}\] | |
| 6226. |
Lattice energy of an ionic compound depends upon [AIEEE 2005] |
| A. | Charge on the ion only |
| B. | Size of the ion only |
| C. | Packing of ions only |
| D. | Charge on the ion and size of the ion |
| Answer» E. | |
| 6227. |
Which type of compounds show high melting and boiling points [CPMT 1996] |
| A. | Electrovalent compounds |
| B. | Covalent compounds |
| C. | Coordinate compounds |
| D. | All the three types of compounds have equal melting and boiling points |
| Answer» B. Covalent compounds | |
| 6228. |
Formula of a metallic oxide is \[MO.\] The formula of its phosphate will be [CPMT 1986, 93] |
| A. | \[{{M}_{2}}{{\left( P{{O}_{4}} \right)}_{2}}\] |
| B. | \[M\left( P{{O}_{4}} \right)\] |
| C. | \[{{M}_{2}}P{{O}_{4}}\] |
| D. | \[{{M}_{3}}{{\left( P{{O}_{4}} \right)}_{2}}\] |
| Answer» E. | |
| 6229. |
Which forms a crystal of \[NaCl\] [CPMT 1972; NCERT 1976; DPMT 1996] |
| A. | \[NaCl\]molecules |
| B. | \[N{{a}^{+}}\] and \[C{{l}^{-}}\]ions |
| C. | \[Na\] and \[Cl\] atoms |
| D. | None of the above |
| Answer» C. \[Na\] and \[Cl\] atoms | |
| 6230. |
Which element has the highest electronegativity or Which of the following is the most electronegative [CPMT 1981; Roorkee 1995; MP PMT 2003; EAMCET 1980; CPMT 1989; MNR 1994; MP PMT 1999] |
| A. | F |
| B. | He |
| C. | Ne |
| D. | Na |
| Answer» B. He | |
| 6231. |
The solubilities of carbonates decreases down the magnesium group due to a decrease in [AIEEE 2003] |
| A. | Lattice energies of solids |
| B. | Hydration energies of cations |
| C. | Inter-ionic attraction |
| D. | Entropy of solution formation |
| Answer» C. Inter-ionic attraction | |
| 6232. |
Two elements whose electronegativities are 1.2 and 3.0 the bond formed between them would be [MP PET 2002] |
| A. | Ionic |
| B. | Covalent |
| C. | Coordinate |
| D. | Metallic |
| Answer» B. Covalent | |
| 6233. |
An atom with high electronegativity has [Kerala (Med.) 2003] |
| A. | Large size |
| B. | High ionisation potential |
| C. | Low electron affinity |
| D. | Low ionisation potential |
| Answer» C. Low electron affinity | |
| 6234. |
Among \[A{{l}_{2}}{{O}_{3}},Si{{O}_{2}},{{P}_{2}}{{O}_{3}}\] and \[S{{O}_{2}}\]the correct order of acid strength is [AIEEE 2004] |
| A. | \[A{{l}_{2}}{{O}_{3}}<Si{{O}_{2}}<S{{O}_{2}}<{{P}_{2}}{{O}_{3}}\] |
| B. | \[Si{{O}_{2}}<S{{O}_{2}}<A{{l}_{2}}{{O}_{3}}<{{P}_{2}}{{O}_{3}}\] |
| C. | \[S{{O}_{2}}<{{P}_{2}}{{O}_{3}}<Si{{O}_{2}}<A{{l}_{2}}{{O}_{3}}\] |
| D. | \[A{{l}_{2}}{{O}_{3}}<Si{{O}_{2}}<{{P}_{2}}{{O}_{3}}<S{{O}_{2}}\] |
| Answer» E. | |
| 6235. |
In the following, the element with the highest electropositivity is [MP PET/PMT 1998] |
| A. | Copper |
| B. | Caesium |
| C. | Barium |
| D. | Chromium |
| Answer» C. Barium | |
| 6236. |
Which one of the following represents the electronic configuration of the most electropositive element [AIIMS 1982; CPMT 1994; MP PMT 2000] |
| A. | \[[He]\,2{{s}^{1}}\] |
| B. | \[[Xe]\,6{{s}^{1}}\] |
| C. | \[[He]\,2{{s}^{2}}\] |
| D. | \[[Xe]\,6{{s}^{2}}\] |
| Answer» C. \[[He]\,2{{s}^{2}}\] | |
| 6237. |
Which is the correct order of electronegativities [EAMCET 1990] |
| A. | F > N < O > C |
| B. | F > N > O > C |
| C. | F < N < O < C |
| D. | F > N > O < C |
| Answer» B. F > N > O > C | |
| 6238. |
In \[C,\,N,\,O\] and \[F\] the electronegativity [DPMT 2001] |
| A. | Decreases from carbon to fluorine |
| B. | Increases from carbon to fluorine |
| C. | Increases from carbon to oxygen and then decreases |
| D. | Decreases from carbon to oxygen and then increases |
| Answer» C. Increases from carbon to oxygen and then decreases | |
| 6239. |
The electronegativity of the following elements increases in the order [IIT 1987] |
| A. | C, N, Si, P |
| B. | N, Si, C, P |
| C. | Si, P, C, N |
| D. | P, Si, N, C |
| Answer» D. P, Si, N, C | |
| 6240. |
With increasing atomic number in a certain period [MP PMT 1987] |
| A. | The chemical reactivity decreases |
| B. | The chemical reactivity increases |
| C. | The electropositive character increases |
| D. | The electronegative character increases |
| Answer» E. | |
| 6241. |
Electronegativity is a measure of the capacity of an atom to [CPMT 1989] |
| A. | Attract electrons |
| B. | Attract protons |
| C. | Repel electrons |
| D. | Repel protons |
| Answer» B. Attract protons | |
| 6242. |
The correct order of electropositive nature of Li, Na and K is |
| A. | Li > Na > K |
| B. | Li > K > Na |
| C. | Na > K > Li |
| D. | K > Na > Li |
| Answer» E. | |
| 6243. |
On Pauling scale which of the following does not have electronegativity \[\ge \] 3.0 [MP PET 1994] |
| A. | Oxygen |
| B. | Nitrogen |
| C. | Chlorine |
| D. | Bromine |
| Answer» E. | |
| 6244. |
With respect to chlorine, hydrogen will be [NCERT 1978; MP PMT 2003] |
| A. | Electropositive |
| B. | Electronegative |
| C. | Neutral |
| D. | None of the above |
| Answer» B. Electronegative | |
| 6245. |
Which of the following property displays progressive increase with the rise in atomic number across a period in the periodic table |
| A. | Electronegativity |
| B. | Electron affinity |
| C. | Ionization potential |
| D. | Size of the atom |
| Answer» B. Electron affinity | |
| 6246. |
Which of the following sets of atoms is arranged in order of increasing electronegativity |
| A. | S, Si, P |
| B. | S, P, Si |
| C. | Si, P, S |
| D. | Si, S, P |
| Answer» D. Si, S, P | |
| 6247. |
Which of the following is the most electropositive element [AIIMS 1998] |
| A. | Aluminium |
| B. | Magnesium |
| C. | Phosphorus |
| D. | Sulphur |
| Answer» C. Phosphorus | |
| 6248. |
In third row of periodic table from \[Na\] to \[Cl\] [MP PET 1986] |
| A. | Electronegativity increases |
| B. | Electronegativity decreases |
| C. | Ionization energy decreases |
| D. | Atomic volume increases |
| Answer» B. Electronegativity decreases | |
| 6249. |
Going from fluorine to chlorine, bromine and iodine, the electronegativity [MP PMT 2000] |
| A. | Increases |
| B. | Decreases |
| C. | First decreases then increases |
| D. | Changes randomly |
| Answer» C. First decreases then increases | |
| 6250. |
The outermost electronic configuration of the most electronegative element is [MP PET 1996; RPMT 1997; MP PET 2004] |
| A. | \[n{{s}^{2}}n{{p}^{3}}\] |
| B. | \[n{{s}^{2}}n{{p}^{4}}\] |
| C. | \[n{{s}^{2}}n{{p}^{5}}\] |
| D. | \[n{{s}^{2}}n{{p}^{6}}\] |
| Answer» D. \[n{{s}^{2}}n{{p}^{6}}\] | |