1st PUC Chemistry Series-7 December 2, 2020December 23, 2020wefruPUC Science 1st Year Chemistry Series-7 quiz 0 Created on December 02, 2020 By wefru1st PUC Chemistry Series 7TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10Q.61. Graphite has a structural similarity with BN B2H6 B4C B 2 / 10Q.62 Which is the correct order of decreasing acidity of lewis acids? K[AlF3H] K3[AlF3H3] AlH3 K3[AlF6] 3 / 10Q.63 S-S bond is present in which of the ion pairs S4O62-, S2O32- S2O72-, S2O32- S4O62-, S2O72- S2O72-, S2O82- 4 / 10Q.64 Which is the correct order of decreasing bond dissociation enthalpy F2 > Cl2 > Br2 > I2 I2 > Br2 > Cl2 > F2 Br2 > I2 > F2 > Cl2 Cl2 > Br2 > F2 > I2 5 / 10Q.65Oxygen is not released on heating which of the compounds? KClO3 (NH4)2Cr2O7 K2Cr2O7 Zn(ClO3)2 6 / 10Q.66Which of the species has a permanent dipole moment? XeF4 SF4 BF3 SiF4 7 / 10Q.67Which of the statement is incorrect for XeO4 ? It has a square planar shape It has a tetrahedral shape four p𝜋-d𝜋 bonds are present four sp3 – p 𝜎 bonds are present 8 / 10Q.68P4O10 has ______ bridging O atoms 6 5 4 3 9 / 10Q.69 Which of the compounds can exist together? FeCl2, SnCl2 HgCl2, SnCl2 FeCl3, SnCl2 FeCl3, KI 10 / 10Q.70 One mole of ferrous oxalate requires____ moles of MnO4– to get oxidised completely in an acidic medium 0.3 moles 0.5moles 0.4 moles 0.7moles Your score isThe average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz
