Question

Choose the correct option.

a) The most reactive halogen of group 17 is _____.

i) Cl (ii) F (iii) Br


b) Ca + _________  Ca(OH)2 + H2

i) dil acid (ii) dil alkali (iii) cold water


c) _________ is a metal of period 2; having electronic configuration 2,1

i) Be (ii) Li (iii) B


d) Mg + _________  MgCl2 + H2

i) dil acid (ii) dil alkali (iii) cold water​

Answer 1

1. Fluorine
2. Cold water
3. Lithium
4. Dil Acid (HCL)

Answer 2

Answer:

QUESTION

Choose the correct option.

a) The most reactive halogen of group 17 is _____.

i) Cl (ii) F (iii) Br

b) Ca + _________  Ca(OH)2 + H2

i) dil acid (ii) dil alkali (iii) cold water

c) _________ is a metal of period 2; having electronic configuration 2,1

i) Be (ii) Li (iii) B

d) Mg + _________  MgCl2 + H2

i) dil acid (ii) dil alkali (iii) cold water

ANSWER

1. The most reactive halogen of group 17 is Fluorine.
2. Ca + H2O + Ca(OH)2 + H2.
3. Beryllium is a metal of period 2; having electronic configuration 2,1.
4. Mg + Dil acid + MgCL2 + H2.

MORE INFORMATION

F = Fluorine

H2O = Water ( hot or cold)

B = Beryllium