Exercise Q1. Choose the correct one from the given options. c. B 1. Electronegativity of Be is approximately equal to that of a. Al b. Mg b. Ca and Mg c. B and Ar 2. The elements which are most abundant in earth crust are: a. Si and Al b. low electropositivity. 3. Carbonates of Li are not stable like that of sodium due to a. low electronegativity. Q2. 1. il. d. Na 111 d. B and Al V V d. low charge density of Li V d. ZnSO, x c. high charge density of Li". c. BaSO 4. Which one of the following metal sulphates is not soluble in water b. K,SO a. Na,SO, 5. Which of the following alkali metal forms only normal oxide with O₂? a. Li b. K 6. Strongest reducing agent among the halogens is a. Cl₂ b. F₂ 7. Which of the following has the lowest electron affinity? a. F b. I 8. Which of the following halide has the highest melting point? c. Na d. Rb Q3 c. Br₂ d. ₂ c. Cl d. Br 3. c. NaF d. Nal a. lowest electronegativity of F. b. highest electronegativity of F. c. lowest atomic weight of F. d. lowest atomic radius of F. 4 10. Which of the following is acidic in nature? a. Al,O, b. CO₂ c. SnO₂ d. Cao b. NaBr a. NaCl 9. The highest boiling point of HF amongst the hydrogen halides is due to 11. Third period element that initially reacts rapidly with oxygen to form a protective oxide coating that prevents further reactions is a. Na b. Al c. Si 12. Which of the following has a greater affinity for oxygen? a. B b. Na 13. Which of the following is the strongest base a. Si(OH), b. Be(OH), 14. The inert pair effect dominates in a. Pb C. K d. Mg d. Mg c. Mg(OH)2 d. Al(OH), c. C d. Si 15. The elements of Group-IVA which have no tendency to form a dichloride are a. C and Si b. Sn b. P and Sn c. Ga and C 44 d. Sn and Si
Exercise Q1. Choose the correct one from the given options. c. B 1. Electronegativity of Be is approximately equal to that of a. Al b. Mg b. Ca and Mg c. B and Ar 2. The elements which are most abundant in earth crust are: a. Si and Al b. low electropositivity. 3. Carbonates of Li are not stable like that of sodium due to a. low electronegativity. Q2. 1. il. d. Na 111 d. B and Al V V d. low charge density of Li V d. ZnSO, x c. high charge density of Li". c. BaSO 4. Which one of the following metal sulphates is not soluble in water b. K,SO a. Na,SO, 5. Which of the following alkali metal forms only normal oxide with O₂? a. Li b. K 6. Strongest reducing agent among the halogens is a. Cl₂ b. F₂ 7. Which of the following has the lowest electron affinity? a. F b. I 8. Which of the following halide has the highest melting point? c. Na d. Rb Q3 c. Br₂ d. ₂ c. Cl d. Br 3. c. NaF d. Nal a. lowest electronegativity of F. b. highest electronegativity of F. c. lowest atomic weight of F. d. lowest atomic radius of F. 4 10. Which of the following is acidic in nature? a. Al,O, b. CO₂ c. SnO₂ d. Cao b. NaBr a. NaCl 9. The highest boiling point of HF amongst the hydrogen halides is due to 11. Third period element that initially reacts rapidly with oxygen to form a protective oxide coating that prevents further reactions is a. Na b. Al c. Si 12. Which of the following has a greater affinity for oxygen? a. B b. Na 13. Which of the following is the strongest base a. Si(OH), b. Be(OH), 14. The inert pair effect dominates in a. Pb C. K d. Mg d. Mg c. Mg(OH)2 d. Al(OH), c. C d. Si 15. The elements of Group-IVA which have no tendency to form a dichloride are a. C and Si b. Sn b. P and Sn c. Ga and C 44 d. Sn and Si
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Exercise
Q1. Choose the correct one from the given options.
c. B
1. Electronegativity of Be is approximately equal to that of
a. Al
b. Mg
b. Ca and Mg
c. B and Ar
2. The elements which are most abundant in earth crust are:
a. Si and Al
b. low electropositivity.
3. Carbonates of Li are not stable like that of sodium due to
a. low electronegativity.
Q2.
1.
il.
d. Na
111
d. B and Al
V
V
d. low charge density of Li
V
d. ZnSO,
x
c. high charge density of Li".
c. BaSO
4. Which one of the following metal sulphates is not soluble in water
b. K,SO
a. Na,SO,
5. Which of the following alkali metal forms only normal oxide with O₂?
a. Li
b. K
6. Strongest reducing agent among the halogens is
a. Cl₂
b. F₂
7. Which of the following has the lowest electron affinity?
a. F
b. I
8. Which of the following halide has the highest melting point?
c. Na
d. Rb
Q3
c. Br₂
d. ₂
c. Cl
d. Br
3.
c. NaF
d. Nal
a. lowest electronegativity of F.
b. highest electronegativity of F.
c. lowest atomic weight of F.
d.
lowest atomic radius of F.
4
10. Which of the following is acidic in nature?
a. Al,O,
b. CO₂
c.
SnO₂
d. Cao
b. NaBr
a. NaCl
9. The highest boiling point of HF amongst the hydrogen halides is due to
11. Third period element that initially reacts rapidly with oxygen to form a
protective oxide coating that prevents further reactions is
a.
Na
b. Al
c. Si
12. Which of the following has a greater affinity for oxygen?
a. B
b. Na
13. Which of the following is the strongest base
a. Si(OH), b. Be(OH),
14. The inert pair effect dominates in
a. Pb
C. K
d. Mg
d. Mg
c. Mg(OH)2 d. Al(OH),
c. C
d. Si
15. The elements of Group-IVA which have no tendency to form a dichloride are
a. C and Si
b. Sn
b. P and Sn
c. Ga and C
44
d. Sn and Si
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