EASY
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LiCl is deliquescent and crystallises as a .

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Important Questions on The s-Block Elements

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Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salt are put under an electric field?
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On heating, LiNO3 gives how many compounds among the following?
Li2O,N2,O2,LiNO2,NO2
EASY
The electronegativity of aluminum is similar to:
HARD
A metal M reacts with nitrogen gas to afford M 3 N M 3 N  on heating at high temperature gives back M and on reaction with water produces a gas B. Gas B reacts with an aqueous solution of CuSO4 to form a deep blue compound. M and B respectively are
EASY
Which of the following elements mostly form covalent compounds?
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The covalent alkaline earth metal halide X=Cl,Br,I is:
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The metal mainly used in devising photoelectric cells is :
MEDIUM
Which among the following alkali metal chloride crystallizes in form of hydrate?
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From the given pairs of elements, the correct set of elements that does not possess diagonal relationship is;
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Two elements A and B have similar chemical properties. They don't form solid hydrogencarbonates, but react with nitrogen to form nitrides. A and B, respectively, are :
MEDIUM
Which of following elements does not form amide when reacted with ammonia?
MEDIUM

Identify the ions which form hydrated chlorides from the following:

a) Ba2+
b) Li+
c) Sr2+
d) Cs+
e) Mg2+
f) Rb+
g) Ca2+

EASY
Both lithium and magnesium display several similar properties due to the diagonal relationship; however, the one which is incorrect is:
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A hydrated solid X on heating initially gives a monohydrated compound Y. Y upon heating above 373 K leads to an anhydrous white powder Z. X and Z, respectively, are;
MEDIUM
Among the following, number of metal/s which can be used as electrodes in the photoelectric cell is ___ . (Integer answer)
(A) Li
(B) Na
(C) Rb
(D) Cs
EASY
An element A of group 1 shows similarity to an element B belonging to group 2. If A has maximum hydration enthalpy in group 1 then B is
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Identify the correct statement from the following.