Question
Explain the elimination reaction of haloalkanes.

Answer

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  1. Following are the transition metal ions of 3d series:

Ti4+, V2+, Mn3+, Cr3+

(Atomic numbers : Ti = 22, V = 23, Mn = 25, Cr = 24)

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  2. Which ion is a strong oxidising agent and why?
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  1. Complete the following equations:
  1. $2\text{ }\text{MnO}_4^-+16\text{ }\text{H}^++5\text{ }\text{S}^{2-}\xrightarrow{\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }}$
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Sc Ti V Cr Mn Fe Co Ni Cu Zn

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(iii) Tyndall Effect
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100 g of liquid A (molar mass 140 g mol-1) was dissolved in 1000 g of liquid B (molar mass 180 g mol-1). The vapour pressure of pure liquid B was found to be 500 Torr. Calculate the vapour pressure of pure liquid A and its vapour pressure in the solution if the total vapour pressure of the solution is 475 Torr.