EASY
Earn 100

Write the nature of the hydrides of carbon family.

Important Questions on Some p-Block Elements

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Pb3O4+4HNO32 PbNO32+PbO2+2H2O Which is TRUE about the lead ions in Pb3O4?
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Identify the incorrect statement from the following
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An allotrope of carbon which exhibits only two types of C-C bond distance of 143.5 pm and 138.3 pm, is
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Identify the correct statements from the following.

i) Quartz is a piezoelectric material
ii) All group 14 tetrachlorides except CCl4 are easily hydrolyzed in water.
iii) The C-C bond distance within the layer of graphite is 154pm.
iv) SiO2 is soluble in aqueous HCl solution.

EASY
Identify the correct statements
I) Germanium exists only in traces.
II) The order of electronegativity of Si, Ge, Sn is Sn>Ge>Si
III) All group 14 elements are available in solid state
EASY
Methane is quite stable, whereas silane is unstable because 
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Which statement is correct concerning the property of the elements which increase in atomic number in the carbon family?
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The boiling points of the boron family elements are _____ than carbon family elements.
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The electronic configuration of group 14 elements are of the type _____ (ns2np2/ns2np3). 
EASY
What is the oxidation number of carbonyl carbon in Acetophenone?
MEDIUM

Which of the following elements has the lowest melting point?

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The ability of an element to form long chains or rings by linking its atoms is called _____.
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SnCl2+HCl+I2A+B
The compounds (A) and (B) are:
EASY
 Statement I :   SiF 6 2 - is known but SiCl 6 2 - is not.

Statement II : Size of fluorine is small and its lone pair of electrons interacts with d-orbital of silicon strongly.