Assertion A : SF 6 is highly stable Reason (R) : SF 6 is a gas The correct option among the following is

(A) is true, (R) is true but (R) is not the correct explanation for (A)

(A) is true, (R) is true and (R) is the correct explanation for (A)

Assertion (A) : The bond dissociation energy increases from F 2 to Cl 2 and then decreases to I 2 Reason (R) : The low bond energy of fluorine is due to the repulsion between the lone pairs of electrons in two fluorine atoms. The correct option among the following is

(A) is true, (R) is true and (R) is the correct explanation for (A)

(A) is true, (R) is true but (R) is not the correct explanation for (A)

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - p- Block Elements>TS EAMCET 2021 (04-Aug Shift-1)>Q 7

MEDIUM

TS EAMCET

IMPORTANT

Earn 100

Which of the following statements are correct?
a) The isotope of carbon containing $7$ neutrons has natural abundance of $1.1 %$
b) Among the IV A group elements, Sn has the lowest melting point
c) Silicon is the $2^{nd}$ (by mass) most abundant element in the earth's crust
d) Elemental carbon shows the highest electrical resistivity among the $14$ group elements

27.27% studentsanswered this correctly

Important Questions on p- Block Elements

MEDIUM

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - p- Block Elements>TS EAMCET 2019 (03-May Shift-2)>Q 8

Identify the correct statements from the following.

i) Quartz is a piezoelectric material
ii) All group $14$ tetrachlorides except ${CCl}_{4}$ are easily hydrolyzed in water.
iii) The $C - C$ bond distance within the layer of graphite is $154 pm$ .
iv) ${SiO}_{2}$ is soluble in aqueous $HCl$ solution.