can somebody help me in solving ppr1 June. 07 Q16,18,34,39 appreciate ur help.
16) As the size of the atom increases down group 7, the electronegativity decreases and the bonds are held less stongly. Bond enthalpy decreases. Hence C
18) The gas given off will be ammonia. The only compound that can give off ammonia is D(check the fornula)
34) Rise in temp, increases the rate of forward reaction...implies delta h is positive. Hence only 1
39) There are 3 chiral carbons. 1 is wrong. 2 is right because the alkene could form between any of the Carbon atom...either the one to the right of OH or to the left. 3 is right cause it's a secondary alcohol and will be oxidised to ketone on reacting with Cr2O7...Cr changes color from orange Cr+6 to green Cr+3