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Q.

Some statements about 14th group elements are given below. Which one of the following is an incorrect statement about them

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a

PbO2 is amphoteric

b

SiCl4 does not undergo hydrolysis

c

PbI4 does not exist

d

SiO exists only at high temperature

answer is B.

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Detailed Solution

SiCl4 can act as a Lewis acid by accepting electrons pair into its vacant d-orbitals;It cannot act like Lewis base;
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