EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The d- and f-Block Elements>NEET - 7th May 2017>Q 11

MEDIUM

NEET

IMPORTANT

Earn 100

Name the gas that can readily decolourise acidified ${KMnO}_{4}$ solution.

46.15% studentsanswered this correctly

Important Questions on The d- and f-Block Elements

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NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The d- and f-Block Elements>NEET - 7th May 2017>Q 12

The reason for greater range of oxidation states in actinoids is attributed to

EASY

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The d- and f-Block Elements>NEET - 24th July 2016>Q 13

Which one of the following statements related to lanthanons is incorrect?

HARD

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The d- and f-Block Elements>NEET - 1st May 2016>Q 14

Which one of the following statements is correct when

S O_{2}

is passed through acidified

K_{2} C r_{2} O_{7}

solution?

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The d- and f-Block Elements>AIPMT - 3rd May 2015>Q 15

Because of lanthanoid contraction, which of the following pairs of elements have nearly the same atomic radii? (Number in the parenthesis are atomic numbers).

HARD

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The d- and f-Block Elements>AIPMT - 3rd May 2015>Q 16

Spin only magnetic moment

2 .84 BM

is given by:

(Atomic Number of

Ni =28, Ti =22, Cr =24, Co =27

)

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The d- and f-Block Elements>AIPMT - 25th July 2015>Q 17

Gadolinium belongs of 4f series. Its atomic number is 64. Which of the following is the correct electronic configuration of gadolinium?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The d- and f-Block Elements>AIPMT - 4th May 2014>Q 18

Magnetic moment

2.83

BM is given by which of the following ions?
(At.nos.

T i = 22, C r = 24, M n = 25, N i = 28)

EASY

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The d- and f-Block Elements>AIPMT - 4th May 2014>Q 19

Reason of lanthanoid contraction is: