Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Classification of Elements and Periodicity in Properties

Multiple Choice Questions

331.

Which of the following elements never show positive oxidation number?

332.

Which of the following element is a metalloid?

333.

What is the name of element with atomic number 105?

Kurchatovium
Dubnium
Nobelium
Holmium

334.
Which among the following elements have lowest value of IE₁?

Pb

Sn

Si

C

The ionisation energy of Tin (Sn) is less than that oflead (Pb). It is due to the poor sheilding of d- and f- electron in Pb, due to which it feels greater attraction from nucleus.

335.

KI and CusO₄ solution when mixed, give :

CuI₂ + K₂SO₄
Cu₂I₂ + K₂SO₄
K₂SO₄ + Cu₂I₂ + I₂
K₂SO₄ + CuI₂ + I₂

Previous Year Papers

Test Series

Test Yourself

Multiple Choice Questions

334. Which among the following elements have lowest value of IE1? Pb Sn Si C

334.
Which among the following elements have lowest value of IE₁?

Pb

Sn

Si

C