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Published on: 13/05/2022
QB365 provides detailed and simple solution for every Book back Questions in class 11 Chemistry Subject. It will helps to get more idea about question pattern in every book back questions with solution.
latest Book back QuestionsDownload Tamil Nadu 11th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Chemistry Test1.
Which of the following pairs of elements exhibit diagonal relationship?
Be and Mg
Li and Mg
Be and B
Be and Al
2.
Which one of the following is true about metallic character when we move from left to right in a period and top to bottom in a group?
Decreases in a period and increases along the group
Increases in a period and decreases in a group
Increases both in the period and the group
Decreases both in the period and in the group
3.
Which of the following orders of ionic radii is correct?
H- > H+ > H
Na+ > F- > O2-
F > O2- > Na+
None of these
4.
IE1 and IE2 of Mg are 179 and 348 kcal mol-1 respectively. The energy required for the reaction Mg⟶ Mg2+ + 2e- is ___________
+169 kcal mol-1
- 169 kcal mol-1
+ 527 kcal mol-1
- 527 kcal mol-1
5.
The electronic configuration of the atom having maximum difference in first and second ionisation energies is _________
1s2, 2s2, 2p6, 3s1
1s2, 2s2, 2p6, 3s2
1s2, 2s2, 2p6, 3s2, 3s2, 3p6, 4s1
1s2, 2s2, 2p6, 3s2, 3p1
1.
(d)
Be and Al
2.
(a)
Decreases in a period and increases along the group
3.
(d)
None of these
4.
(c)
+ 527 kcal mol-1
5.
(a)
1s2, 2s2, 2p6, 3s1
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