28.
									
										The half-life period of any first order reaction
									
								
															
														
																									
										A:
											is half the specific rate constant
									
																										
										B:
											 is independent of the initial concentration 
									
																										
										C:
											is always the same whatever the reaction 
									
																										
										D:
											is directly proportional to the initial concentration of the reactant.
									
																								 
							
																
									The answer is:
										B
									
								
														
							
								
								
							
							
							
								