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All In One ISC Chemistry Class 12>Chapter 7 - p-Block Elements>Chapter Practice>Q 23

EASY

12th ICSE

IMPORTANT

Earn 100

Draw the structure of $S_{8}$ molecule.

Important Questions on p-Block Elements

MEDIUM

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 7 - p-Block Elements>Chapter Practice>Q 24

Sugar gets charred on addition of concentrated sulphuric acid. Give reason.

MEDIUM

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 7 - p-Block Elements>Chapter Practice>Q 25

Sulphur dioxide is the more powerful reducing agent in an alkaline medium than in an acidic medium. Why?

MEDIUM

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 7 - p-Block Elements>Chapter Practice>Q 26

How would you account for the following?

The oxidising power of oxoacids of chlorine follows the order: ${HCIO}_{4} < {HCIO}_{3} < {HClO}_{2} < HCIO$

HARD

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 7 - p-Block Elements>Chapter Practice>Q 26

How would you account for the following?

${XeF}_{2}$ has a linear structure not a bent angular structure.

EASY

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 7 - p-Block Elements>Chapter Practice>Q 27

F_{2}

is most reactive among the four common halogens. Why?

EASY

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 7 - p-Block Elements>Chapter Practice>Q 28

Complete the following chemical reaction.

$I_{2} + conc . {HNO}_{3} \overset{}{\to}$

MEDIUM

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 7 - p-Block Elements>Chapter Practice>Q 29

What happens, when chlorine gas is passed into a solution of hot and concentrated $NaOH$ ?

EASY

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 7 - p-Block Elements>Chapter Practice>Q 29

What happens, when chlorine reacts with dry slaked lime?