MEDIUM
JEE Advanced
IMPORTANT
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The elements of group are called alkali metals because.
(a)Their oxides form acidic solutions on treating with water
(b)Their peroxides form alkaline solution on treating with water-
(c)Their oxides and hydroxides form alkaline solutions on treating with water
(d)Their hydroxides form acidic solution on treating with water

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Important Questions on s-Block Group 1 (Alkali Metals)
MEDIUM
JEE Advanced
IMPORTANT
The ionic radii of alkali metal ions in water (hydrated radii) are in the order

MEDIUM
JEE Advanced
IMPORTANT
Potassium metal is commercially prepared by the reduction of molten with metallic sodium at . This method is based upon the following principles:

EASY
JEE Advanced
IMPORTANT
Which of the following statements is correct for .

MEDIUM
JEE Advanced
IMPORTANT
The metallic luster exhibited by sodium is explained by

EASY
JEE Advanced
IMPORTANT
The aqueous solutions of lithium salts are poor conductor of electricity rather than other alkali metals because of

MEDIUM
JEE Advanced
IMPORTANT
The alkali metals have low melting point. Which of the following alkali metal is expected to melt if the room temperature rises to .

MEDIUM
JEE Advanced
IMPORTANT
Alkali metals react with water vigorously to form hydroxides and dihydrogen. Which of the following alkali metals reacts with water least vigorously?

MEDIUM
JEE Advanced
IMPORTANT
The reducing power of a metal depends on various factors. Suggest the factor which makes , the strongest reducing agent in aqueous solution.
