Question

Which statement about the elements of Group-I is correct?

A. Lithium is denser than sodium.
B. Potassium has a higher density than lithium.
C. Potassium is less reactive than sodium.
D. Sodium has a higher melting point than lithium.​

Answer 1

Answer:

Which statements about Group I and Group VII elements are correct?

1 In Group I, lithium is more reactive than potassium.

2 In Group VII, chlorine is more reactive than fluorine.

ANSWER:Correct option is

D

Statement 1−X, statement 2−X

1.Potassium has more tendency to loss electron hence potassium is more reactive than lithium.

2.Chlorine is less reactive than fluorine because the fluorine is more electronegativity than chlorine.

Answer 2

Answer:

I think answer is option c ie potassium is less reactive than sodium

Explanation:

because sodium is the highly and in fact most reactive metal of periodic table

thus it is kept in kerosene to prevent laboratory accidents

pls mark it as brainliest