OCR AS Chemistry (F322) Answer the 23 questions WITHOUT a book 3.5 / 5 based on 11 ratings ? ChemistryASAll boards Created by: gugCreated on: 04-04-12 15:49 What is a functional group? Part of the molecule responsible for chemical reactions 1 of 18 What is the structural formula of butanal? CH3CH2CH2CHO 2 of 18 What is homolytic fission? Breaking of covalent bond and 1 of bonded atoms getting both electrons from electron pair 3 of 18 What is an electrophile? an electron pair acceptor 4 of 18 How does fractional distillation work? Separates components in liquid mixture by their boiling points 5 of 18 Alkanes undergo .............. reactions radical substitution 6 of 18 A ......... bond in an alkene is the most reactive part of the.......... pi double bond 7 of 18 What is the test for unsaturation? Bromine 8 of 18 What is the monomer of polyethene? ethene 9 of 18 What is the functional group in an alcohol? OH 10 of 18 What is reflux? Continual boiling and condensing 11 of 18 An ester is formed when an alcohol reacts with a............. carboxylic acid 12 of 18 What bond would be present if the only peak, on an infrared spectrum, was at about 1740 cm/1? C=O 13 of 18 What are standard conditions? pressure of 100kPa, conc of 1 mol and temp of 298K 14 of 18 Standard enthalpy of combustion is.......... enthalpy change when 1 mole of substance reacts completely with O2, under standard conditions and standard states 15 of 18 Vanadium oxide is the catalyst used in...........process Contact 16 of 18 The greenhouse effect is..... the reaction in a closed system where forward rate is the same as backward rate 17 of 18 What radicals in CFC's cause ozone depletion? Cl. 18 of 18
Comments
Report
Report
Report
Report
Report