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Message: <blockquote data-quote="romeshnonis" data-source="post: 15058708" data-attributes="member: 281560"><p><span style="font-size: 15px">Plc guy help me to find the solution for those question </span></p><p><span style="font-size: 15px">PLz PLz PLz</span></p><p><span style="font-size: 15px"></span></p><p><span style="font-size: 15px">01. what is the trend of solubility of alkaline earth metal hydroxides when going down the group 2. give reason (s) for the variation.</span></p><p><span style="font-size: 15px"></span></p><p><span style="font-size: 15px">02. write the lewis dot sructure for NO3- , SF6 and NO2- </span></p><p><span style="font-size: 15px">03. Predict the products for the following reactions. </span><p style="margin-left: 20px"><span style="font-size: 15px">i. 3cu (s) + 8 dil. HNO3 (aq)</span></p> <p style="margin-left: 20px"><span style="font-size: 15px">ii. SBCL3(l) + H2O (l)</span></p> <p style="margin-left: 20px"><span style="font-size: 15px">iii. 3S(s)  +  6NaOH (aq) </span></p> <p style="margin-left: 20px"><span style="font-size: 15px"></span> </p><p><span style="font-size: 15px">04. </span><p style="margin-left: 20px"><span style="font-size: 15px">i. What is the oxidation number of <strong>S</strong> in H2SO3, HSO3- and H2SO4 ?</span></p> <p style="margin-left: 20px"><span style="font-size: 15px">ii.Write the 3 Chemical reactions to show the dehydration  ability of H2SO4 acid.</span></p> <p style="margin-left: 20px"><span style="font-size: 15px">iii. Draw the structure of pyrosulphuric acid </span></p> <p style="margin-left: 20px"><span style="font-size: 15px"></span> </p><p><span style="font-size: 15px">05. write tree properties are change through descend group 17. state whether those properties increase or decrease.</span></p><p><span style="font-size: 15px"></span></p><p><span style="font-size: 15px">06. write equation for the reactions of  chlorine with (1) water (2) cold dilute sodium hydroxide solution. give one use for each reaction.</span></p><p><span style="font-size: 15px"></span></p></blockquote><p></p>

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