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Two metal P and Q belong to the second group of periodic table. P forms insoluble oxide but soluble sulphate Q forms a soluble oxide but insoluble sulphate. Hydroxide of metal P is soluble in NaOH while that of metal Q is insoluble in NaOH. What are metal P and Q?

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Important Questions on The s-Block Elements

MEDIUM

Reaction of BeCl2 with LiAlH4 gives :

(A) AlCl3

(B) BeH2

(C) LiH

(D) LiCl

(E) BeAlH4

Choose the correct answer from options given below

EASY
s-block element which cannot be qualitatively confirmed by the flame test is
EASY
Ion having highest hydration enthalpy among the given alkaline earth metal ions is:
EASY
A piece of Mg ribbon is heated to redness in nitrogen atmosphere and the treated with water. The gas evolved is
EASY
Which one of the following alkaline earth metal ions has the highest ionic mobility in its aqueous solution?
MEDIUM
The alkaline earth metal nitrate that does not crystallise with molecules is:
MEDIUM
A metal 'M' readily gives MSO4, which is soluble in water. It forms its oxide M0 which is amphoteric. It forms an insoluble hydroxide M(OH)2, which is soluble in NaOH solution. The M is
EASY
Ine metal which dissolves in liquid ammonia to give a blue-black solution due to formation of solvated electron is
MEDIUM
Magnesium is burnt in the air to form A and B. When B is hydrolyzed, C and D are formed. D is the reactant in the manufacture of nitric acid by Ostwald's process. What is C ?
EASY
The ion having the highest mobility in aqueous solution is
EASY
In context with beryllium, which one of the following statements is incorrect.
EASY
The covalent alkaline earth metal halide X=Cl,Br,I is:
EASY
The element whose salts cannot be detected by flame test is.