Practice Test

Q1) Which of the following has the least bond angle ? Show Answer

Q2) Which of the following will have a low heat of fusion ? Show Answer

Q3) Sulphuric acid molecule contains Show Answer

Q4) The combination of atoms takes place, hence Show Answer

Q5) The compound which does not contain bond is Show Answer

Q6) Which of the following is an ionic compound ? Show Answer

Q7) Which of the following compound does not follow octet rule ? Show Answer

Q8) Which of the following statements concerning elements with atomic number 10 is true ? Show Answer

Q9) Metals are malleable and ductile because of Show Answer

Q10) With increase in temperature, the conductivity of the metals Show Answer

Q11) Alkali metals (Na, K, etc.) conduct electricity because Show Answer

Q12) Metallic bound is Show Answer

Q13) Which of the following is solid with highest melting point ? Show Answer

Q14) Which of the following is an example of super octet molecule ? Show Answer

Q15) Which of the following molecule is theoretically not possible ? Show Answer

Q16) The first four ionization energy values of an element are 191, 578, 872 and 5962 kcal. The number of valence electrons in the element is Show Answer

Q17) An atom X has three valence electrons and atom Y has six valence electrons. The compound formed between them will have the formula Show Answer

Q18) Which of the following is a non-directional bond ? Show Answer

Q19) Which of the following has zero value of dipole moment ? Show Answer

Q20) Which of the following gaseous molecules is polar ? Show Answer

Q21) Which of the following compounds is non-polar ? Show Answer

Q22) Which of the following molecules has a high dipole moment ? Show Answer

Q23) The molecule that does not possess a permanent dipole moment is Show Answer

Q24) The octet rule is not valid for the molecule Show Answer

Q25) According to Fajan's rules covalent bonding is favourable by Show Answer

Q26) Maximum number of covalent bonds between two atoms of a covalent compound will be Show Answer

Q27) Which of the following has the highest bond dissociation energy ? Show Answer

Q28) The process of electron transfer is : Show Answer

Q29) Molten sodium chloride conducts electricity due to the presence of : Show Answer

Q30) Which of the following has covalent bond ? Show Answer

Q31) The formation of a chemical bond is accompanied by Show Answer

Q32) The bond formed between two elements having electronegativities 1.2 and 3.0 would be Show Answer

Q33) Element X is strongly electropositive and element Y is strongly electronegative. Both are univalent. Their compound formed would be Show Answer

Q34) An element Y has a ground state configuration 2, 8, 8. The type of bond that exists between the atoms of Y is Show Answer

Q35) An electrovalent compound does not show isomerism due to : Show Answer

Q36) Which of the following has electrovalent, covalent and co-ordinate bonds ? Show Answer

Q37) The formation of chemical bond is accompanied by Show Answer

Q38) Outermost shells of two elements X and Y have two and six electrons respectively. If they combine the expected formula of the compound will be Show Answer

Q39) Elements whose electronegativities are 1.2 and 3.0, bond formed between them would be Show Answer

Q40) Which one of the following has high melting and boiling points ? Show Answer

Q41) Ionic bond formation is Show Answer

Q42) Many ionic crystals dissolve in water because Show Answer

Q43) Which one of the following has a giant covalent structure ? Show Answer

Q44) Which one of the following is a covalent molecule ? Show Answer

Q45) Which one of the following has highest dipole moment ? Show Answer

Q46) Which one of the following is correct ? Show Answer

Q47) Both ionic and covalent bond present in Show Answer

Q48) Which contain both polar and non-polar bonds ? Show Answer

Q49) Which of the following having electrovalent, covalent and coordinate covalent bond ? Show Answer

Q50) Hydrogen fluoride is a liquid unlike other hydrogen halides because
Show Answer

Q51) Which one of the following has odd electron bond ?
Show Answer

Q52) Which of the following is soluble in water ?
Show Answer

Q53) ASSERTION :
Purely covalent compounds cannot conduct electricity while purely ionic compound.
REASON :
Purely covalent compounds have lower melting and boiling point than purely ionic compounds.
Show Answer

Q54) ASSERTION :
Fluorine exhibits the same oxidation state in all its compounds.
REASON :
Fluorine atom has no d-orbital in its valence shell.
Show Answer