Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 38

EASY

JEE Main/Advance

IMPORTANT

Earn 100

The number of P-O-P bonds in cyclic metaphosphoric acid is

50% studentsanswered this correctly

Important Questions on The p-Block Elements

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 39

Ammonia can be dried by.

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 40

Give the reason why elemental nitrogen exists as a diatomic molecule whereas elemental phosphorus is a tetra atomic molecule.

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 41

For

H_{3} {PO}_{3}

and

H_{3} {PO}_{4}

, the correct choice is-

HARD

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 42

{({N H}_{4})}_{2} {C r}_{2} O_{7}

on heating gives a gas which is also given by

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 44

Thermodynamically most stable allotrope of phosphorus is:

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 45

Among the following, the correct statement is:

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 47

The reaction of $P_{4}$ with $X$ leads selectively to $P_{4} O_{6}$ . The $X$ is

HARD

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 49

Extra pure

N_{2}

can be obtained by heating