Quiz Medium 4 Categories Quizzes 0 Quiz Medium 4 1 / 25 Dry ice is solid CO2 soild SO2 soild CO solid NH3 2 / 25 Carbon tetrachloride has no net dipole moment because of similar sizes of carbon and chlorine atoms its planer structure its regular tetrahedral structure similar electron affinities of carbon and chlorine 3 / 25 The word ceramic meant for soft material hard material burnt material dry material binding material 4 / 25 Which of the following species have undistorted octahedral structures? SiF62_ XeF6 SF6 PF6_ 5 / 25 Valence bond theory is also called as electron gas theory Band theory Electron pool theory Electron pair theory 6 / 25 Which of the following amino acid is basic in nature? Glutamic acid Alanine Lysine Glycine 7 / 25 The correct order of increasing polar character is H2O<NH3<H2S<HF NH3<H2O<HF<H2O HF<H2O<NH3<H2S H2S<NH3<H2O<HF 8 / 25 Highly dangerous acid and produces severe wounds on the skin HCIO3 HCIO HCIO2 HCIO4 9 / 25 The formula of Mohar salt is FeSO4 ( NH2)SO4. 7H2O FeSO4.7H2O FeSO4 ( NH4)2 SO4 . 10H2O (NH4)2 Fe (SO4)2. 6H2O 10 / 25 The chemical formula of sodium nitroprusside is Na2 [Fe(CN)3 NO] NO2[Fe(CN)5 NO2] Na[Fe(CN)5 NO] None of these 11 / 25 HCLO4, HNO3 and HCI are all strong acids in aqueous solution. In glacial acetic acid medium their acid strength is such that HCI>HCIO4>HNO3 HNO3>HCIO4>HCI HCI>HCIO4>HNO3 HCIO4>HCI>HNO3 12 / 25 Proper proportioning of concrete, ensures Desired durability Resistance to water All Water tightness of the structure 13 / 25 The bond order for BO molecule is 3 2 3.5 2.5 14 / 25 Keeping in the mind, the electrode potential which one of the following Cd +MgSO4 → CdSO4+Mg Zn+2 + Cu →Cu+2 + Zn Zn +MnSO4→ZnSO4 + Mg Fe+ CuSO4 → FeSO4 + FeSO4 + Cu 15 / 25 Which property is not exhibited by carbon in its compounds? Forming multipal forces Forming compounds with coordination number beyond four Forming bonds to other carbon atoms exhibiting allotropic forms 16 / 25 The colour of Ni2+ green blue deep green orange 17 / 25 The only spices of cat family that lius in hunts in group is Leopards Cheetahs None of these Lions 18 / 25 A stable molecule is a group of atoms held together by Valent forces None of above Physical forces Chemical forces 19 / 25 Dull red flame is observed with Strontium salt Sodium salt Barium salt Calcium salt 20 / 25 A students gets 50, 60 and 90 marks out of 100. English , physics and economics respectively. He need 72% to get a scolarship. How many marks does he need t6o get in his final paper. Math's to obtain over all 72% marks 88 82 86 84 21 / 25 What is called the study of Algae? Philately Cartography Lexicography Phycology 22 / 25 Tetra halides do not undergo hydrolysis Sn Pb C Si 23 / 25 H-bond has preferred bonding direction like Ionic bond Covalent bond Coordinate bond None of above 24 / 25 Which of the following is not an acid redical? CO32- Br- I- K+ Cl- 25 / 25 The boiling point of water is unexpectedly high because Oxygen is the first member of the VI group There is hydrogen bonding consequent association of H2O molecules sp3-hydrogen bonding is involved in the formation of water H2O molecule is linear Your score is Share: Quiz Dad Previous post Quiz Medium 3 October 1, 2022 Next post Quiz Medium 5 October 1, 2022 You may also like Quiz Hard 5 1 October, 2022 Quiz Hard 4 1 October, 2022 Quiz Hard 3 1 October, 2022
