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The elements of group II are known as al...

The elements of group II are known as alkaline earth metals. The electronic configuration of these elements is `ns^(2)` and oxidation state is `+2`. They have higher ionization energy than alkali metals in their respective period due to their small size and completely filled s-orbital. These elements give characteristic colour to bunsen flame. magnesium is used in the preparation of Grignard agent (RMgX) which is used in organic chemistry for preparation of sevaral organic compounds like alcohols. acids, hydrocarbons.
Q. The reaction of RMgX with water will produces

A

(a) `MgX_(2)`

B

(b) `Mg(OH)_(2)`

C

(c) `MgXOH`

D

(d) `H-X`

Text Solution

Verified by Experts

The correct Answer is:
C
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The elements of group II are known as alkaline earth metals. The electronic configuration of these elements is ns^(2) and oxidation state is +2 . They have higher ionization energy than alkali metals in their respective period due to their small size and completely filled s-orbital. These elements give characteristic colour to bunsen flame. magnesium is used in the preparation of Grignard agent (RMgX) which is used in organic chemistry for preparation of sevaral organic compounds like alcohols. acids, hydrocarbons. Q. The correct order of 1st ionization energy is

The elements of group II are known as alkaline earth metals. The electronic configuration of these elements . The electronic configuration of these elements is ns^(2) and oxidation state is +2 . They have higher ionization energy than alkali metals in their respective period due to their small size and completely filled s-orbital. These elements give characteristic colour to bunsen flame. magnesium is used in the preparation of Grignard agent (RMgX) which is used in organic chemistry for preparation of sevaral organic compounds like alcohols. acids, hydrocarbons. Q. Brick red colour of flame test is gives by

The elements of group 2 are called alkaline earth metals. Give reason.

Which element of group 2 is not considered as alkaline earth metal?

The elements of group 1 are called alkali metals. Give reason.

Elements with electronic configuration ns^1 are known as

Which general electronic configuration of the element does not represent a non-metal ?

Why do alkaline earth metals have higher melting points than group 1 elements ?

Elements with outer electron configuration ns2 np6 are:

Which of the following metal(s) do (es) not give characteristic flame colouration?