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Subject: Chemistry, asked on 4/2/16

Calcium chloride exists as hydrated calcium chloride due to its high hydration enthalpy.

so does berylium chloride and magnesium chloride also exist as hydrated please give suitable reason with the answer.

Subject: Chemistry, asked on 4/2/16

WHyCaesium has the lowest melting point amongst all alkali metals ?

Subject: Chemistry, asked on 4/2/16

draw and Explain structures of monoxide , peroxide and superoxide of s block elements.

don't provide links of similar answer.

Subject: Chemistry, asked on 31/1/16

WhyLiFis insoluble in water?

Subject: Chemistry, asked on 31/1/16

Why LiOH and Mg(OH)​2 are unstable and decompose on heating ?

don't give equations and just tell that they are unstable. tell why they are unstable.

Subject: Chemistry, asked on 30/1/16

WHy LiOH and Mg(OH)2 are unstable and decompose on heating ?

Subject: Chemistry, asked on 29/1/16

Why Li and Mg both have

lattice energy > hydration energy?

Subject: Chemistry, asked on 27/1/16

Why LiOH and Mg(OH)​2 decompose on heating ?

Subject: Chemistry, asked on 27/1/16

Why Li2O and MgO are much less soluble in water ?

Subject: Chemistry, asked on 27/1/16

Why Li and Mg both react slowly with water ?

Subject: Chemistry, asked on 23/1/16

why more amount of energy is released on hydration of a small sized atom?

Subject: Chemistry, asked on 12/1/16

why Be(OH)2 dissolves in NaOH but Mg(OH)2 does not

Subject: Chemistry, asked on 3/1/16

What is meant by the statement-"Increase in screening of valence electrons from the nuclear charge" ?

Subject: Chemistry, asked on 30/12/15

which of the following is not expected to react with sodium hydroxide​
  1. BeO
  2. CaO
  3. B2O3
  4. SiO2

Subject: Chemistry, asked on 30/12/15

In the displacement reaction
CI +MF→CF+ MI
The reaction is favouredif M happens to be
  1. Na
  2. K
  3. Rb
  4. Li

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