[{"id":253014,"question":"A molecule which contains two lone pairs and two bond pairs of electrons in valence shell of central atom, geometrical shape of molecules will be","choices":[{"text":"Tetrahedral","value":"A"},{"text":"Trigonal pyramidal","value":"B"},{"text":"Angular","value":"C"},{"text":"Linear","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":253013,"question":"What will be the shape of a molecule which containstwo sigma bond pairs and one lone pair?","choices":[{"text":"Linear","value":"A"},{"text":"V shape","value":"B"},{"text":"Tetragonal","value":"C"},{"text":"Triangular","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":253012,"question":"The shielding effect of inner electron is responsible for","choices":[{"text":"Having no effect on ionization energy","value":"A"},{"text":"Decreasing ionization energy","value":"B"},{"text":"Increasing ionization energy","value":"C"},{"text":"Increasing electronegativity","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":253011,"question":"The elements for which the value of ionization energy is low can","choices":[{"text":"Gain electrons readily","value":"A"},{"text":"Lose electron less readily","value":"B"},{"text":"Gain electrons with difficulty","value":"C"},{"text":"Lose electron readily","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":253010,"question":"The ionization energy of hydrogen atom is","choices":[{"text":"Zero","value":"A"},{"text":"131.3kJmole","value":"B"},{"text":"13.13kJ/mole","value":"C"},{"text":"1313kJ/mole","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":253008,"question":"<div>For formation of ionic bond, electronegativity difference should be</div>","choices":[{"text":"Equal to zero","value":"A"},{"text":"Equal to 0.5","value":"B"},{"text":"More then 1.7","value":"C"},{"text":"Less than 1.7","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":253006,"question":"Which of the following molecule has zero dipole moment?","choices":[{"text":"PCI3","value":"A"},{"text":"BF3","value":"B"},{"text":"NH3","value":"C"},{"text":"H2O","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":253005,"question":"Among the following molecules, which one has coordinate covalent (dative) bond?","choices":[{"text":"CCI4","value":"A"},{"text":"CO2","value":"B"},{"text":"CO","value":"C"},{"text":"CH4","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":253004,"question":"Which one of the following has zero dipole moment","choices":[{"text":"NH3","value":"A"},{"text":"CHCI3","value":"B"},{"text":"H2O","value":"C"},{"text":"BF3","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":253003,"question":"Low IE is a symbol of","choices":[{"text":"high electronegativity","value":"A"},{"text":"small size","value":"B"},{"text":"High electron affinity","value":"C"},{"text":"Metallic character","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":253002,"question":"At compromise distance the forces dominating between atoms are","choices":[{"text":"repulsive forces","value":"A"},{"text":"attractive forces","value":"B"},{"text":"Dipole induced dipole force","value":"C"},{"text":"H-bonding","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":253000,"question":"What is not true for NH4CI","choices":[{"text":"It has ionic bond","value":"A"},{"text":"It has covalent bond","value":"B"},{"text":"It has coordinate bond","value":"C"},{"text":"It has hydrogen bond","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252999,"question":"H3O+ can't accept a Ip because","choices":[{"text":"it has positive charge","value":"A"},{"text":"The central atom is not electron deficient","value":"B"},{"text":"The shell of oxygen has reached its limit","value":"C"},{"text":"it already has a coordinate bond","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252997,"question":"What is true for a molecule with standard geometry","choices":[{"text":"It lacks a Ip","value":"A"},{"text":"It can't be a donor","value":"B"},{"text":"It can be an acceptor","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252996,"question":"Which one is a non-polar compound?","choices":[{"text":"SnCl2","value":"A"},{"text":"PH3","value":"B"},{"text":"Gecl4","value":"C"},{"text":"H2O","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252995,"question":"The no. of Ip's on oxygen in CO are","choices":[{"text":"1","value":"A"},{"text":"3","value":"B"},{"text":"4","value":"C"},{"text":"2","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":252993,"question":"A molecule that has polar bonds but is overall non - polar","choices":[{"text":"IF","value":"A"},{"text":"CCl4","value":"B"},{"text":"PCI3","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252992,"question":"In a group, the atomic radii from top to bottom","choices":[{"text":"increase","value":"A"},{"text":"decrease","value":"B"},{"text":"don't change","value":"C"},{"text":"show variable trend","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":252991,"question":"In a period the atomic radii","choices":[{"text":"increase","value":"A"},{"text":"decrease","value":"B"},{"text":"remain same","value":"C"},{"text":"first increase, then decreased","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252989,"question":"The ionization energy","choices":[{"text":"generally increases from left to right in a period","value":"A"},{"text":"increases from top to bottom in a group","value":"B"},{"text":"does not change in a period","value":"C"},{"text":"does not change in a group","value":"D"},{"value":"E"}],"correctAnswer":2}]